| Mar 22, 2026 | Gallagher | 1–0 | Pollack | Round 8: Gallagher, Daniel GH - Pollack, Oscar | French Defense: Winawer Variation, Delayed Exchange Variation | |
| Mar 21, 2026 | Swanson | 1–0 | Pollack | Round 7: Swanson, Stephen - Pollack, Oscar | Sicilian Defense: Smith-Morra Gambit Declined, Push Variation | |
| Feb 8, 2026 | Richardson | 1–0 | Pollack | Round 6: Richardson, John R - Pollack, Oscar | King's Indian Defense: Fianchetto Variation, Classical Variation | |
| Feb 7, 2026 | Pollack | 1–0 | Jones | Round 5: Pollack, Oscar - Jones, Steven A | Sicilian Defense: Closed, Traditional | |
| Dec 3, 2025 | Pollack | 0–1 | Efroimski | Round 9: Pollack, Oscar - Efroimski, Marsel | French Defense: Advance Variation, Euwe Variation | |
| Dec 2, 2025 | Tica | 0–1 | Pollack | Round 8: Tica, Sven - Pollack, Oscar | Indian Defense: Przepiorka Variation | |
| Dec 1, 2025 | Pollack | 1–0 | Li | Round 7: Pollack, Oscar - Li, Harry | Ruy Lopez: Morphy Defense | |
| Nov 30, 2025 | Dobrosmyslov | 0–1 | Pollack | Round 6: Dobrosmyslov, Artem - Pollack, Oscar | French Defense: Tarrasch Variation, Closed Variation | |
| Nov 30, 2025 | Pollack | 0–1 | Kalavannan | Round 5: Pollack, Oscar - Kalavannan, Koby | Scandinavian Defense: Modern Variation | |
| Nov 29, 2025 | Shubin | ½–½ | Pollack | Round 4: Shubin, Daniel - Pollack, Oscar | Sicilian Defense: Dragon Variation | |
| Nov 28, 2025 | Abdulla | 1–0 | Pollack | Round 3: Abdulla, Murad - Pollack, Oscar | King's Indian Defense: Fianchetto Variation, Classical Fianchetto | |
| Nov 28, 2025 | Pollack | 1–0 | Richardson | Round 2: Pollack, Oscar - Richardson, John R | Sicilian Defense: Closed, Traditional | |
| Nov 27, 2025 | Pollack | 0–1 | Li | Round 1: Pollack, Oscar - Li, Guohao | Sicilian Defense: Najdorf Variation | |
| Nov 2, 2025 | Pollack | 1–0 | Arnott | Round 2: Pollack, Oscar - Arnott, Jonathan W | French Defense: Advance Variation, Wade Variation | |
| Nov 1, 2025 | Hryshchenko | 1–0 | Pollack | Round 1: Hryshchenko, Kamila - Pollack, Oscar | Sicilian Defense | |
| Oct 26, 2025 | Pollack | 0–1 | Samarasinghe Jude | Round 5: Pollack, Oscar - Samarasinghe Jude, Ranga | Caro-Kann Defense: Breyer Variation | |
| Oct 26, 2025 | Fava | 1–0 | Pollack | Round 4: Fava, Lorenzo - Pollack, Oscar | Zukertort Opening: Nimzo-Larsen Variation | |
| Oct 25, 2025 | Pollack | 1–0 | Ekanem Nathan | Round 3: Pollack, Oscar - Ekanem Nathan | French Defense: Advance Variation, Paulsen Attack | |
| Oct 25, 2025 | Vaddhireddy | 0–1 | Pollack | Round 2: Vaddhireddy, Sai - Pollack, Oscar | King's Indian Defense: Fianchetto Variation, Classical Variation | |
| Oct 24, 2025 | Pollack | ½–½ | Ridge | Round 1: Pollack, Oscar - Ridge, Michael | Trompowsky Attack | |
| Oct 11, 2025 | Pollack | 0–1 | Czopor | Golders Green FIDE Rapidplay - October 2025 | Sicilian Defense: Closed, Traditional | |
| Oct 11, 2025 | Pollack | 1–0 | Keerthi Kumar | Golders Green FIDE Rapidplay - October 2025 | Sicilian Defense: Closed, Traditional | |
| Oct 11, 2025 | Smallbone | 0–1 | Pollack | Golders Green FIDE Rapidplay - October 2025 | London System, with Be2 | |
| Oct 11, 2025 | Pollack | 1–0 | Kapechun | Golders Green FIDE Rapidplay - October 2025 | French Defense: Advance Variation, Paulsen Attack | |
| Oct 9, 2025 | Badacsonyi | 1–0 | Pollack | Golders Green FIDE Rapidplay - October 2025 | King's Indian Defense: Semi-Averbakh System | |
| Jan 26, 2025 | Pollack | 0–1 | Regan | Round 4: Pollack, Oscar - Regan, Natasha K | Scotch Game: Lolli Variation | |
| Jan 25, 2025 | Varnam | 0–1 | Pollack | Round 3: Varnam, Liam D - Pollack, Oscar | Sicilian Defense: Accelerated Dragon, Maróczy Bind | |
| Sep 3, 2024 | Pollack | 1–0 | Bonn | Round 12: Pollack, Oscar - Bonn, Thomas | Sicilian Defense: Closed, Traditional | |
| Sep 3, 2024 | Bonn | 0–1 | Pollack | Round 11: Bonn, Thomas - Pollack, Oscar | Sicilian Defense: Dragon Variation, Yugoslav Attack, Czerniak Variation | |
| Sep 3, 2024 | Wiratunga | 1–0 | Pollack | Round 10: Wiratunga, Jenith - Pollack, Oscar | ? | |
| Sep 3, 2024 | Pollack | 1–0 | Wiratunga | Round 9: Pollack, Oscar - Wiratunga, Jenith | Sicilian Defense: Closed | |
| Sep 3, 2024 | Pollack | 1–0 | Kirupakaran | Round 8: Pollack, Oscar - Kirupakaran, Vishnu | Sicilian Defense: Four Knights Variation, Exchange Variation | |
| Sep 3, 2024 | Kirupakaran | 0–1 | Pollack | Round 7: Kirupakaran, Vishnu - Pollack, Oscar | French Defense: Chigorin Variation | |
| Sep 3, 2024 | Pollack | 1–0 | Vashisht-Pigem | Round 6: Pollack, Oscar - Vashisht-Pigem, Raman | Scotch Game: Classical Variation, Intermezzo Variation | |
| Sep 3, 2024 | Vashisht-Pigem | 0–1 | Pollack | Round 5: Vashisht-Pigem, Raman - Pollack, Oscar | Sicilian Defense: Moscow Variation, Main Line | |
| Sep 3, 2024 | Cancedda-Dupuis | 1–0 | Pollack | Round 4: Cancedda-Dupuis, Livio - Pollack, Oscar | King's Indian Defense: Semi-Classical Variation | |
| Sep 3, 2024 | Pollack | 0–1 | Cancedda-Dupuis | Round 3: Pollack, Oscar - Cancedda-Dupuis, Livio | Sicilian Defense: Closed, Traditional | |
| Sep 3, 2024 | Isaacs | 0–1 | Pollack | Round 2: Isaacs, Ruairi - Pollack, Oscar | Rapport-Jobava System | |
| Sep 3, 2024 | Pollack | 1–0 | Isaacs | Round 1: Pollack, Oscar - Isaacs, Ruairi | King's Indian Defense: Orthodox Variation, Gligoric-Taimanov System | |
| Aug 30, 2024 | Pollack | 1–0 | Manmay Chopra | Round 14: Pollack, Oscar - Manmay Chopra | Sicilian Defense: Chekhover Variation | |
| Aug 30, 2024 | Manmay Chopra | ½–½ | Pollack | Round 13: Manmay Chopra - Pollack, Oscar | French Defense: Steinitz Variation, Boleslavsky Variation | |
| Mar 21, 2024 | Ivanchuk | 1–0 | Pollack | Reykjavik Open 2024 | French Defense: Winawer Variation, Advance Variation | |
| Mar 15, 2024 | Yilmazyerli | 1–0 | Pollack | Reykjavik Open 2024 | French Defense: Tarrasch Variation, Closed Variation | |
| Feb 10, 2024 | Harriet V Hunt | 1–0 | Oscar Pollack | 4NCL Division 1 2023-2024 | French Defense: Tarrasch Variation, Closed Variation, Main Line | |
| Dec 9, 2023 | Nemeth | ½–½ | Pollack | Chessengland.com Grandmasters Festival - IM Group C | French Defense: Tarrasch Variation | |
| Dec 8, 2023 | Pollack | ½–½ | Collins | Chessengland.com Grandmasters Festival - IM Group C | Sicilian Defense: Moscow Variation, Main Line | |
| Dec 8, 2023 | Large | 1–0 | Pollack | Chessengland.com Grandmasters Festival - IM Group C | French Defense: Winawer Variation, Positional Variation | |
| Dec 7, 2023 | Pollack | ½–½ | Cerveny | Chessengland.com Grandmasters Festival - IM Group C | Sicilian Defense: Najdorf Variation, Main Line | |
| Dec 7, 2023 | Ribeiro | 1–0 | Pollack | Chessengland.com Grandmasters Festival - IM Group C | French Defense: Tarrasch Variation, Guimard Defense, Main Line | |
| Dec 6, 2023 | Pollack | 1–0 | Lentzos | Chessengland.com Grandmasters Festival - IM Group C | Caro-Kann Defense: Advance Variation, Tal Variation | |
| Dec 6, 2023 | Pollack | 0–1 | Shearsby | Chessengland.com Grandmasters Festival - IM Group C | Sicilian Defense: Prins Variation | |
| Dec 5, 2023 | Pollack | ½–½ | Cherniaev | Chessengland.com Grandmasters Festival - IM Group C | Owen Defense | |
| Dec 5, 2023 | Ribeiro | ½–½ | Pollack | Chessengland.com Grandmasters Festival - IM Group C | Benko Gambit | |
| Jul 30, 2023 | Oscar Pollack | 0–1 | John Merriman | British Chess Championships 2023: Championship | French Defense: Tarrasch Variation, Morozevich Variation | |
| Jul 29, 2023 | James Merriman | 0–1 | Oscar Pollack | Round 8: James Merriman - Oscar Pollack | Benko Gambit Declined: Sosonko Variation | |
| Jul 28, 2023 | Pollack | ½–½ | Badacsonyi | British Chess Championships 2023: Championship | Caro-Kann Defense: Advance Variation, Tal Variation | |
| Jul 26, 2023 | Pollack | 0–1 | Jones | British Chess Championships 2023: Championship | Scotch Game: Mieses Variation | |
| Jul 25, 2023 | Bates | ½–½ | Pollack | British Chess Championships 2023: Championship | Yusupov-Rubinstein System | |
| Jul 24, 2023 | Pollack | 0–1 | Hebden | British Chess Championships 2023: Championship | Scotch Game: Mieses Variation | |
| Jul 23, 2023 | Kanyamarala | ½–½ | Pollack | British Chess Championships 2023: Championship | Nimzo-Indian Defense: St. Petersburg Variation | |
| Jul 22, 2023 | Pollack | 1–0 | Pigott | British Chess Championships 2023: Championship | Sicilian Defense: Prins Variation | |
| Jul 12, 2023 | Oscar Pollack | ½–½ | Petr Marusenko | Round 9: Oscar Pollack - Petr Marusenko | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | |
| Jul 11, 2023 | Duncan Macdonald | 0–1 | Oscar Pollack | Round 8: Duncan Macdonald - Oscar Pollack | King's Indian Defense: Normal Variation, Rare Defenses | |
| Jul 11, 2023 | Oscar Pollack | 1–0 | Joseph David Turner | Round 7: Oscar Pollack - Joseph David Turner | King's Indian Defense: Orthodox Variation | |
| Jul 10, 2023 | Jack Rudd | 1–0 | Oscar Pollack | Round 6: Jack Rudd - Oscar Pollack | Benoni Defense: Taimanov Variation | |
| Jul 9, 2023 | Roy Thomas | 0–1 | Oscar Pollack | Round 4: Roy Thomas - Oscar Pollack | Bird Opening: From's Gambit, Lasker Variation | |
| Jul 9, 2023 | Oscar Pollack | 0–1 | Joakim Nilsson | Round 5: Oscar Pollack - Joakim Nilsson | Sicilian Defense: Taimanov Variation, Bastrikov Variation | |
| Jul 8, 2023 | Oscar Pollack | 0–1 | Daniel Kozusek | Round 3: Oscar Pollack - Daniel Kozusek | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | |
| Jul 7, 2023 | Sam Jukes | 0–1 | Oscar Pollack | Round 2: Sam Jukes - Oscar Pollack | French Defense: Knight Variation | |
| Jul 7, 2023 | Oscar Pollack | 1–0 | Ron Williams | Round 1: Oscar Pollack - Ron Williams | Pirc Defense | |
| — | Szekely | ½–½ | Pollack | British Chess Championships 2023: Championship | Sicilian Defense: Delayed Alapin Variation | |
| — | Zulfic | 0–1 | Pollack | 4NCL Division 1 2023-2024 | French Defense: Winawer Variation, Bogoljubow Variation | |