| Jan 15, 2024 | Aleksandr Ostrovskiy | ½–½ | Josiah Stearman | Round 9: Aleksandr Ostrovskiy - Josiah Stearman | French Defense: Exchange Variation | |
| Jan 15, 2024 | Miklos Galyas | ½–½ | Aleksandr Ostrovskiy | Round 8: Miklos Galyas - Aleksandr Ostrovskiy | Zukertort Opening | |
| Jan 14, 2024 | Aleksandr Ostrovskiy | ½–½ | Dimitar Mardov | Round 7: Aleksandr Ostrovskiy - Dimitar Mardov | Zukertort Opening | |
| Jan 14, 2024 | Brewington Hardaway | ½–½ | Aleksandr Ostrovskiy | Round 6: Brewington Hardaway - Aleksandr Ostrovskiy | Caro-Kann Defense: Tartakower Variation | |
| Aug 2, 2023 | Andrew Guo | 1–0 | Aleksandr Ostrovskiy | Round 9: Andrew Guo - Aleksandr Ostrovskiy | Bogo-Indian Defense: Retreat Variation | |
| Aug 1, 2023 | Aleksandr Ostrovskiy | 1–0 | Lucas Jiang | Round 8: Aleksandr Ostrovskiy - Lucas Jiang | Italian Game: Giuoco Pianissimo, Italian Four Knights Variation | |
| Jul 31, 2023 | Nitish Nathan | ½–½ | Aleksandr Ostrovskiy | Round 7: Nitish Nathan - Aleksandr Ostrovskiy | Queen's Pawn Game: Accelerated London System | |
| Jul 31, 2023 | Isaac Wang | ½–½ | Aleksandr Ostrovskiy | Round 6: Isaac Wang - Aleksandr Ostrovskiy | Tarrasch Defense: Schara Gambit | |
| Jul 31, 2023 | Aleksandr Ostrovskiy | 1–0 | Pranav Sathish | Round 5: Aleksandr Ostrovskiy - Pranav Sathish | Italian Game: Giuoco Pianissimo, Italian Four Knights Variation | |
| Jul 30, 2023 | Rohan Rajaram | 0–1 | Aleksandr Ostrovskiy | Round 4: Rohan Rajaram - Aleksandr Ostrovskiy | Queen's Gambit Declined | |
| Jul 30, 2023 | Aleksandr Ostrovskiy | 1–0 | Dylan Tang | Round 3: Aleksandr Ostrovskiy - Dylan Tang | English Opening: Agincourt Defense, Catalan Defense Accepted | |
| Jul 29, 2023 | Shawnak Shivakumar | 1–0 | Aleksandr Ostrovskiy | Round 2: Shawnak Shivakumar - Aleksandr Ostrovskiy | Indian Defense | |
| Jul 29, 2023 | Aleksandr Ostrovskiy | ½–½ | Jiangwei Yu | Round 1: Aleksandr Ostrovskiy - Jiangwei Yu | Sicilian Defense: Richter-Rauzer Variation, Neo-Modern Variation | |
| Jul 10, 2023 | Justin Wang | ½–½ | Aleksandr Ostrovskiy | Round 9: Justin Wang - Aleksandr Ostrovskiy | Bogo-Indian Defense: Vitolins Variation | |
| Jul 10, 2023 | Aleksandr Ostrovskiy | ½–½ | Victor Mikhalevski | Round 8: Aleksandr Ostrovskiy - Victor Mikhalevski | Italian Game: Two Knights Defense, Modern Bishop's Opening | |
| Jul 9, 2023 | Maximilian Lu | ½–½ | Aleksandr Ostrovskiy | Round 7: Maximilian Lu - Aleksandr Ostrovskiy | King's Indian Attack: Keres Variation | |
| Jul 9, 2023 | Aleksandr Ostrovskiy | ½–½ | Zbigniew Pakleza | Round 6: Aleksandr Ostrovskiy - Zbigniew Pakleza | Philidor Defense: Exchange Variation | |
| Jul 8, 2023 | Aleksandr Ostrovskiy | ½–½ | Martin Zumsande | Round 5: Aleksandr Ostrovskiy - Martin Zumsande | French Defense: Steinitz Variation, Boleslavsky Variation | |
| Jul 7, 2023 | Aleksandr Ostrovskiy | 1–0 | Kevin Wang | Round 3: Aleksandr Ostrovskiy - Kevin Wang | Sicilian Defense: Four Knights Variation | |
| May 28, 2023 | Aleksandr Lenderman | 1–0 | Aleksandr Ostrovskiy | Round 6: Aleksandr Lenderman - Aleksandr Ostrovskiy | Slav Defense: Quiet Variation, Schallopp Defense | |
| May 28, 2023 | Aleksandr Ostrovskiy | 1–0 | Aleksandr Lenderman | Round 5: Aleksandr Ostrovskiy - Aleksandr Lenderman | Italian Game: Classical Variation, Giuoco Pianissimo | |
| May 27, 2023 | Aleksandr Ostrovskiy | ½–½ | Raven Sturt | Round 4: Aleksandr Ostrovskiy - Raven Sturt | Sicilian Defense: Moscow Variation | |
| May 27, 2023 | Raven Sturt | 1–0 | Aleksandr Ostrovskiy | Round 3: Raven Sturt - Aleksandr Ostrovskiy | Bird Opening: Dutch Variation | |
| May 26, 2023 | Aleksandr Ostrovskiy | * | Michael Rohde | Round 1: Aleksandr Ostrovskiy - Michael Rohde | ? | |
| May 23, 2023 | Diego Saul Rodri Flores Quillas | ½–½ | Aleksandr Ostrovskiy | Round 11: Diego Saul Rodri Flores Quillas - Aleksandr Ostrovskiy | Caro-Kann Defense: Tartakower Variation | |
| May 22, 2023 | Aleksandr Ostrovskiy | 1–0 | Rodrigo Hurtado Bahamonde | Round 10: Aleksandr Ostrovskiy - Rodrigo Hurtado Bahamonde | Italian Game: Giuoco Piano | |
| May 21, 2023 | Sergio E Barrientos | 1–0 | Aleksandr Ostrovskiy | Round 9: Sergio E Barrientos - Aleksandr Ostrovskiy | Bogo-Indian Defense: Grünfeld Variation | |
| May 21, 2023 | Aleksandr Ostrovskiy | 1–0 | Sebastian Marin Posada | Round 8: Aleksandr Ostrovskiy - Sebastian Marin Posada | Italian Game: Two Knights Defense, Modern Bishop's Opening | |
| May 20, 2023 | Joseph Wan | ½–½ | Aleksandr Ostrovskiy | Round 7: Joseph Wan - Aleksandr Ostrovskiy | Caro-Kann Defense: Endgame Offer | |
| May 17, 2023 | Aleksandr Ostrovskiy | 0–1 | David Daniel Camacho Campusano | Round 4: Aleksandr Ostrovskiy - David Daniel Camacho Campusano | Ruy Lopez: Closed, Chigorin Defense | |
| May 15, 2023 | Elizabeth Toro Castaneda | * | Aleksandr Ostrovskiy | Round 1: Elizabeth Toro Castaneda - Aleksandr Ostrovskiy | ? | |
| Apr 9, 2023 | Evan Park | ½–½ | Aleksandr Ostrovskiy | Round 9: Evan Park - Aleksandr Ostrovskiy | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | |
| Apr 9, 2023 | Aleksandr Ostrovskiy | ½–½ | Edward Song | Round 8: Aleksandr Ostrovskiy - Edward Song | French Defense: Burn Variation | |
| Apr 8, 2023 | Robby Kevlishvili | 1–0 | Aleksandr Ostrovskiy | Round 7: Robby Kevlishvili - Aleksandr Ostrovskiy | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | |
| Apr 8, 2023 | Aleksandr Ostrovskiy | 0–1 | Fidel Corrales Jimenez | Round 6: Aleksandr Ostrovskiy - Fidel Corrales Jimenez | Caro-Kann Defense: Two Knights Attack | |
| Apr 7, 2023 | Josiah Stearman | ½–½ | Aleksandr Ostrovskiy | Round 5: Josiah Stearman - Aleksandr Ostrovskiy | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | |
| Apr 7, 2023 | Aleksandr Ostrovskiy | ½–½ | Krishna Sai | Round 4: Aleksandr Ostrovskiy - Krishna Sai | Ruy Lopez: Closed, Flohr System | |
| Apr 7, 2023 | Nico Chasin | 0–1 | Aleksandr Ostrovskiy | Round 3: Nico Chasin - Aleksandr Ostrovskiy | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | |
| Apr 7, 2023 | Aleksandr Ostrovskiy | ½–½ | Kassa Korley | Round 2: Aleksandr Ostrovskiy - Kassa Korley | Petrov's Defense: Modern Attack, Center Variation | |
| Apr 7, 2023 | Tamaz Gelashvili | 1–0 | Aleksandr Ostrovskiy | Round 1: Tamaz Gelashvili - Aleksandr Ostrovskiy | Queen's Pawn Game: Symmetrical Variation, Pseudo-Catalan | |
| Jan 16, 2023 | Joseph Levine | ½–½ | Aleksandr Ostrovskiy | Round 9: Joseph Levine - Aleksandr Ostrovskiy | Caro-Kann Defense: Endgame Variation | |
| Jan 16, 2023 | Aleksandr Ostrovskiy | ½–½ | Djurabek Khamrakulov | Round 8: Aleksandr Ostrovskiy - Djurabek Khamrakulov | Petrov's Defense: Cozio Attack | |
| Jan 15, 2023 | Nico Chasin | 1–0 | Aleksandr Ostrovskiy | Round 7: Nico Chasin - Aleksandr Ostrovskiy | Bogo-Indian Defense: Grünfeld Variation | |
| Jan 15, 2023 | Aleksandr Ostrovskiy | ½–½ | Pijus Stremavicius | Round 6: Aleksandr Ostrovskiy - Pijus Stremavicius | Sicilian Defense: Four Knights Variation | |
| Jan 14, 2023 | Aleksandr Ostrovskiy | ½–½ | Ivan Schitco | Round 5: Aleksandr Ostrovskiy - Ivan Schitco | Sicilian Defense: Moscow Variation, Main Line | |
| Jan 14, 2023 | Robert Shlyakhtenko | 0–1 | Aleksandr Ostrovskiy | Round 4 (A): Robert Shlyakhtenko - Aleksandr Ostrovskiy | Nimzo-Indian Defense: Kmoch Variation | |
| Jan 13, 2023 | Aleksandr Ostrovskiy | 0–1 | Justus Williams | Round 3: Aleksandr Ostrovskiy - Justus Williams | Sicilian Defense: Moscow Variation | |
| Jan 13, 2023 | Gergely Kantor | 1–0 | Aleksandr Ostrovskiy | Round 2: Gergely Kantor - Aleksandr Ostrovskiy | Bogo-Indian Defense: Grünfeld Variation | |
| Jan 12, 2023 | Aleksandr Ostrovskiy | 1–0 | Alexander Kaliksteyn | Round 1: Aleksandr Ostrovskiy - Alexander Kaliksteyn | Semi-Slav Defense | |
| Dec 12, 2022 | Titas Stremavicius | ½–½ | Aleksandr Ostrovskiy | Round 9: Titas Stremavicius - Aleksandr Ostrovskiy | Zukertort Opening: Sicilian Invitation | |
| Dec 11, 2022 | Aleksandr Ostrovskiy | ½–½ | Max Gedajlovic | Round 8: Aleksandr Ostrovskiy - Max Gedajlovic | Ruy Lopez: Open Berlin Defense, l'Hermet Variation | |
| Dec 11, 2022 | Emilio Cordova | ½–½ | Aleksandr Ostrovskiy | Round 7: Emilio Cordova - Aleksandr Ostrovskiy | Zukertort Opening | |
| Dec 10, 2022 | Aleksandr Ostrovskiy | ½–½ | Mark Heimann | Round 6: Aleksandr Ostrovskiy - Mark Heimann | Ruy Lopez: Berlin Defense, Rio Gambit Accepted | |
| Dec 10, 2022 | Josiah Stearman | 0–1 | Aleksandr Ostrovskiy | Round 5: Josiah Stearman - Aleksandr Ostrovskiy | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | |
| Dec 10, 2022 | Josiah Stearman | 0–1 | Aleksandr Ostrovskiy | Round 5: Josiah Stearman - Aleksandr Ostrovskiy | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | |
| Dec 10, 2022 | Aleksandr Ostrovskiy | 1–0 | Vladimir Belous | Round 4: Vladimir Belous - Titas Stremavicius | Sicilian Defense: Kan Variation, Polugaevsky Variation | |
| Dec 9, 2022 | Josiah Stearman | * | Aleksandr Ostrovskiy | Round 4: Josiah Stearman - Aleksandr Ostrovskiy | ? | |
| Dec 9, 2022 | Aleksandr Ostrovskiy | 0–1 | Alexander Katz | Round 3: Aleksandr Ostrovskiy - Alexander Katz | Italian Game: Giuoco Piano | |
| Dec 8, 2022 | Harshid Kunka | ½–½ | Aleksandr Ostrovskiy | Round 2: Harshid Kunka - Aleksandr Ostrovskiy | Caro-Kann Defense: Classical Variation, Lobron System | |
| Dec 8, 2022 | Harshid Kunka | * | Aleksandr Ostrovskiy | Round 1: Mark Heimann - Titas Stremavicius | Caro-Kann Defense: Classical Variation, Lobron System | |
| Dec 8, 2022 | Aleksandr Ostrovskiy | ½–½ | Samrug Narayanan | Round 1: Aleksandr Ostrovskiy - Samrug Narayanan | Ruy Lopez: Berlin Defense, Rio Gambit Accepted | |
| Nov 24, 2022 | Aleksandr Ostrovskiy | 0–1 | Parimarjan Negi | Round 2: Aleksandr Ostrovskiy - Parimarjan Negi | Ruy Lopez: Closed, Breyer Defense, Zaitsev Hybrid | |
| Nov 13, 2022 | Alexander Kaliksteyn | ½–½ | Aleksandr Ostrovskiy | Round 9: Alexander Kaliksteyn - Aleksandr Ostrovskiy | Queen's Pawn Game: Symmetrical Variation | |
| Nov 13, 2022 | Aleksandr Ostrovskiy | 0–1 | Robby Kevlishvili | Round 8: Aleksandr Ostrovskiy - Robby Kevlishvili | Sicilian Defense: Moscow Variation | |
| Nov 12, 2022 | Titas Stremavicius | ½–½ | Aleksandr Ostrovskiy | Round 7: Titas Stremavicius - Aleksandr Ostrovskiy | Caro-Kann Defense: Classical Variation, Main Line | |
| Nov 12, 2022 | Aleksandr Ostrovskiy | 1–0 | Justus Williams | Round 6: Aleksandr Ostrovskiy - Justus Williams | Sicilian Defense: Kan Variation, Polugaevsky Variation | |
| Nov 11, 2022 | Aleksandr Ostrovskiy | * | Pedro Jimenez Fraga | Round 5: Aleksandr Ostrovskiy - Pedro Jimenez Fraga | Sicilian Defense: French Variation | |
| Nov 11, 2022 | Gabor Nagy | ½–½ | Aleksandr Ostrovskiy | Round 4: Gabor Nagy - Aleksandr Ostrovskiy | English Opening: King's English Variation, Four Knights Variation, Fianchetto Line | |
| Nov 10, 2022 | Aleksandr Ostrovskiy | ½–½ | Kassa Korley | Round 3: Aleksandr Ostrovskiy - Kassa Korley | English Opening: Caro-Kann Defensive System | |
| Nov 10, 2022 | Nico Chasin | * | Aleksandr Ostrovskiy | Round 2: Nico Chasin - Aleksandr Ostrovskiy | Queen's Gambit Declined: Ragozin Defense | |
| Nov 10, 2022 | Aleksandr Ostrovskiy | ½–½ | Siddharth Jagadeesh | Round 1: Aleksandr Ostrovskiy - Siddharth Jagadeesh | Petrov's Defense: Classical Attack, Staunton Variation | |
| Oct 30, 2022 | Harshit Raja | ½–½ | Aleksandr Ostrovskiy | Round 9: Harshit Raja - Aleksandr Ostrovskiy | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | |
| Oct 29, 2022 | Aleksandr Ostrovskiy | ½–½ | Juraj Druska | Round 8: Aleksandr Ostrovskiy - Juraj Druska | English Opening: Agincourt Defense | |
| Oct 29, 2022 | Aleksandr Ostrovskiy | 1–0 | Dante M Beukes | Round 7: Aleksandr Ostrovskiy - Dante M Beukes | East Indian Defense | |
| Oct 28, 2022 | Illya Nyzhnyk | 1–0 | Aleksandr Ostrovskiy | Round 6: Illya Nyzhnyk - Aleksandr Ostrovskiy | English Opening: Four Knights System, Nimzowitsch Variation | |
| Oct 28, 2022 | Ivan Schitco | 1–0 | Aleksandr Ostrovskiy | Round 5: Ivan Schitco - Aleksandr Ostrovskiy | English Opening: King's English Variation, Four Knights Variation, Fianchetto Line, with Nb6 | |
| Oct 28, 2022 | Aleksandr Ostrovskiy | 1–0 | Alexander Shabalov | Round 4: Aleksandr Ostrovskiy - Alexander Shabalov | Sicilian Defense: Moscow Variation | |
| Oct 27, 2022 | Aleksandr Ostrovskiy | 0–1 | Emilio Cordova | Round 2: Aleksandr Ostrovskiy - Emilio Cordova | Sicilian Defense: O'Kelly Variation, Venice System | |
| Aug 7, 2022 | Lucas Jiang | 1–0 | Aleksandr Ostrovskiy | Round 9: Lucas Jiang - Aleksandr Ostrovskiy | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | |
| Aug 6, 2022 | Aleksandr Ostrovskiy | ½–½ | Daniel Fernandez | Round 8: Aleksandr Ostrovskiy - Daniel Fernandez | English Opening: Symmetrical Variation | |
| Aug 6, 2022 | Aleksandr Ostrovskiy | 0–1 | Henry Wang | Round 7: Aleksandr Ostrovskiy - Henry Wang | Pirc Defense | |
| Aug 5, 2022 | Jack Zhu | ½–½ | Aleksandr Ostrovskiy | Round 6: Jack Zhu - Aleksandr Ostrovskiy | Caro-Kann Defense: Goldman Variation | |
| Aug 5, 2022 | Aleksandr Ostrovskiy | 1–0 | Carlos Sandoval | Round 5: Aleksandr Ostrovskiy - Carlos Sandoval | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation | |
| Aug 4, 2022 | Andy Woodward | 1–0 | Aleksandr Ostrovskiy | Round 4: Andy Woodward - Aleksandr Ostrovskiy | Queen's Gambit Declined | |
| Aug 4, 2022 | Aleksandr Ostrovskiy | ½–½ | Vladimir Belous | Round 3: Aleksandr Ostrovskiy - Vladimir Belous | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation | |
| Aug 4, 2022 | Tsegmed Munkhchuluun | 0–1 | Aleksandr Ostrovskiy | Round 2: Tsegmed Munkhchuluun - Aleksandr Ostrovskiy | Bogo-Indian Defense: Nimzowitsch Variation | |
| Aug 3, 2022 | Aleksandr Ostrovskiy | ½–½ | Aryan Gutla | Round 1: Aleksandr Ostrovskiy - Aryan Gutla | Sicilian Defense: Modern Variations | |
| Jul 29, 2022 | Aaron Grabinsky | 0–1 | Aleksandr Ostrovskiy | Round 9: Aaron Grabinsky - Aleksandr Ostrovskiy | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | |
| Jul 28, 2022 | Aleksandr Ostrovskiy | 1–0 | Ruiyang Yan | Round 8: Aleksandr Ostrovskiy - Ruiyang Yan | Queen's Gambit Declined: Three Knights, Vienna Variation | |
| Jul 28, 2022 | Vatsal Singhania | 0–1 | Aleksandr Ostrovskiy | Round 7: Vatsal Singhania - Aleksandr Ostrovskiy | Caro-Kann Defense: Tartakower Variation | |
| Jul 27, 2022 | Aleksandr Ostrovskiy | 1–0 | Rushaan Mahajan | Round 6: Aleksandr Ostrovskiy - Rushaan Mahajan | Caro-Kann Defense: Two Knights Attack | |
| Jul 27, 2022 | Milind Maiti | ½–½ | Aleksandr Ostrovskiy | Round 5: Milind Maiti - Aleksandr Ostrovskiy | Slav Defense: Quiet Variation, Schallopp Defense | |
| Jul 26, 2022 | Aleksandr Ostrovskiy | ½–½ | Max Gedajlovic | Round 4: Aleksandr Ostrovskiy - Max Gedajlovic | English Opening: Four Knights System, Nimzowitsch Variation | |
| Jul 26, 2022 | Hanxiang Li | 0–1 | Aleksandr Ostrovskiy | Round 3: Hanxiang Li - Aleksandr Ostrovskiy | Queen's Gambit Declined: Three Knights Variation | |
| Jul 26, 2022 | Aleksandr Ostrovskiy | ½–½ | Austin Mei | Round 2: Aleksandr Ostrovskiy - Austin Mei | Italian Game: Two Knights Defense, Modern Bishop's Opening | |
| Jul 25, 2022 | Richard Balsang Bitoon | 0–1 | Aleksandr Ostrovskiy | Round 1: Richard Richard - Aleksandr Ostrovskiy | Caro-Kann Defense: Forgacs Variation | |
| Jul 11, 2022 | Aleksandr Ostrovskiy | ½–½ | Kassa Korley | Round 9: Aleksandr Ostrovskiy - Kassa Korley | Petrov's Defense: Nimzowitsch Attack | |
| Jul 11, 2022 | Maximillian Lu | 1–0 | Aleksandr Ostrovskiy | Round 8: Maximillian Lu - Aleksandr Ostrovskiy | Bogo-Indian Defense: Grünfeld Variation | |
| Jul 10, 2022 | Aleksandr Ostrovskiy | 0–1 | Justus Williams | Round 7: Aleksandr Ostrovskiy - Justus Williams | Sicilian Defense: Moscow Variation | |
| Jul 10, 2022 | Liran Zhou | 0–1 | Aleksandr Ostrovskiy | Round 6: Liran Zhou - Aleksandr Ostrovskiy | Ruy Lopez: Schliemann Defense | |