| Apr 2, 2026 | Zaiarski | ½–½ | Wu | X Open Semana Santa 2026 - Grupo A | Sicilian Defense: Taimanov Variation | |
| Mar 15, 2026 | Mihaylov | ½–½ | Zaiarski | Round 6: Mihaylov, Bozhidar - Zaiarski, Stepan | Italian Game: Classical Variation, Giuoco Pianissimo | |
| Mar 14, 2026 | Zaiarski | 1–0 | Delchev | Round 5: Zaiarski, Stepan - Delchev, Petar | Scandinavian Defense: Modern Variation | |
| Mar 14, 2026 | Zaiarski | 1–0 | Velkov | Round 3: Zaiarski, Stepan - Velkov, Ilija | Caro-Kann Defense: Advance Variation, Tal Variation | |
| Mar 13, 2026 | Malcheva | 0–1 | Zaiarski | Momchilgrad Classics 2026 | Italian Game: Classical Variation, Giuoco Pianissimo, with a6 | |
| Mar 13, 2026 | Zaiarski | 0–1 | Boev | Round 7: Zaiarski, Stepan - Boev, Viktor | Catalan Opening: Closed | |
| Mar 13, 2026 | Zaiarski | 1–0 | Cinkiz | Momchilgrad Classics 2026 | Caro-Kann Defense: Advance Variation, Tal Variation | |
| Sep 21, 2025 | Mattinson | 0–1 | Zaiarski | exe:Slovakia open Bratislava 25 | Vienna Game: Vienna Gambit, Paulsen Attack | |
| Sep 20, 2025 | Zaiarski | 0–1 | Bujukliev | exe:Slovakia open Bratislava 25 | King's Indian Defense: Normal Variation, King's Knight Variation | |
| Sep 19, 2025 | Gubin | 1–0 | Zaiarski | exe:Slovakia open Bratislava 25 | English Opening: Anglo-Indian Defense | |
| Sep 18, 2025 | Zaiarski | 1–0 | Farkas | exe:Slovakia open Bratislava 25 | Benoni Defense: Fianchetto Variation | |
| Sep 17, 2025 | Shravan R | 0–1 | Zaiarski | exe:Slovakia open Bratislava 25 | Ruy Lopez: Open | |
| Sep 16, 2025 | Zaiarski | 0–1 | Koelber | exe:Slovakia open Bratislava 25 | Neo-Grünfeld Defense: Ultra-Delayed Exchange Variation | |
| Sep 15, 2025 | Shtemler | ½–½ | Zaiarski | exe:Slovakia open Bratislava 25 | Ruy Lopez: Open, Motzko Attack | |
| Sep 14, 2025 | Zaiarski | ½–½ | Zetocha | exe:Slovakia open Bratislava 25 | Catalan Opening: Closed | |
| Sep 13, 2025 | Philipp | 0–1 | Zaiarski | exe2025 | Vienna Game: Vienna Gambit, Paulsen Attack | |
| Jul 14, 2025 | Pakleza | 1–0 | Zaiarski | Round 1: Pakleza, Zbigniew - Zaiarski, Stepan | English Opening: Anglo-Indian Defense, King's Indian Formation, Double Fianchetto | |
| Jun 15, 2025 | Mani | 1–0 | Zaiarski | 2025 FIDE World Blitz Team Championship Knockout | Queen's Pawn Game: Symmetrical Variation, Pseudo-Catalan | |
| Jun 15, 2025 | Zaiarski | 0–1 | Mani | 2025 FIDE World Blitz Team Championship Knockout | Queen's Gambit Declined | |
| Jun 14, 2025 | Zaiarski | ½–½ | Yildiz | 2025 FIDE World Blitz Team Championship Pool A | Catalan Opening: Closed | |
| Jun 14, 2025 | Phulpin | 1–0 | Zaiarski | 2025 FIDE World Blitz Team Championship Pool A | Center Game: Berger Variation | |
| Jun 14, 2025 | Zaiarski | 0–1 | Sailaubay | 2025 FIDE World Blitz Team Championship Pool A | Catalan Opening: Open Defense, Classical Line | |
| Jun 14, 2025 | McCallum | 0–1 | Zaiarski | 2025 FIDE World Blitz Team Championship Pool A | Scotch Game | |
| Jun 14, 2025 | Zaiarski | 1–0 | Grose | 2025 FIDE World Blitz Team Championship Pool A | Catalan Opening: Closed Variation, Traditional Variation | |
| Jun 14, 2025 | Demir | 0–1 | Zaiarski | 2025 FIDE World Blitz Team Championship Pool A | Italian Game: Scotch Gambit, Max Lange Attack | |
| Jun 14, 2025 | Zaiarski | 1–0 | Kendall | 2025 FIDE World Blitz Team Championship Pool A | King's Indian Defense: Fianchetto Variation, Yugoslav Variation, Rare Line | |
| Jun 14, 2025 | Volkov | 0–1 | Zaiarski | 2025 FIDE World Blitz Team Championship Pool A | Italian Game: Two Knights Defense, Polerio Defense, Bishop Check Line | |
| Jun 14, 2025 | Zaiarski | 1–0 | Schuster | 2025 FIDE World Blitz Team Championship Pool A | Dutch Defense: Classical Variation, Huisl Variation | |
| Jun 14, 2025 | Rosenstein | 1–0 | Zaiarski | 2025 FIDE World Blitz Team Championship Pool A | Italian Game: Two Knights Defense | |
| Jun 14, 2025 | Zaiarski | 1–0 | Platschek | 2025 FIDE World Blitz Team Championship Pool A | Polish Defense | |
| Jun 14, 2025 | Araya Fuentes | 0–1 | Zaiarski | 2025 FIDE World Blitz Team Championship Pool A | Zukertort Opening | |
| Jun 13, 2025 | Zaiarski | ½–½ | Han | Round 12: Zaiarski, Stepan - Han, Qixuan | Slav Defense | |
| Jun 13, 2025 | Raiko | 0–1 | Zaiarski | Round 11: Raiko, Yossi - Zaiarski, Stepan | Queen's Gambit Declined: Ragozin Defense | |
| Jun 13, 2025 | Zaiarski | 0–1 | Nurakyn | Round 10: Zaiarski, Stepan - Nurakyn, Suleiman | King's Indian Defense: Fianchetto Variation, Yugoslav Variation, Rare Line | |
| Jun 13, 2025 | Volkov | 0–1 | Zaiarski | Round 9: Volkov, Leonid - Zaiarski, Stepan | Italian Game: Two Knights Defense, Modern Bishop's Opening | |
| Jun 12, 2025 | Zaiarski | ½–½ | Yildiz | Round 8: Zaiarski, Stepan - Yildiz, Ali Aras | Catalan Opening: Closed | |
| Jun 12, 2025 | Ziems | 0–1 | Zaiarski | Round 7: Ziems, Michael - Zaiarski, Stepan | Nimzo-Indian Defense | |
| Jun 12, 2025 | Zaiarski | 1–0 | Enkhbayar | Round 5: Zaiarski, Stepan - Enkhbayar, Genden | Catalan Opening: Closed | |
| Jun 11, 2025 | Lobkin | 1–0 | Zaiarski | Round 4: Lobkin, Bohdan - Zaiarski, Stepan | Scotch Game: Meitner Variation | |
| Jun 11, 2025 | Mani | 1–0 | Zaiarski | 2025 FIDE World Rapid Team Championship | Ruy Lopez: Morphy Defense, Norwegian Variation | |
| Jun 11, 2025 | Nayberg | 0–1 | Zaiarski | 2025 FIDE World Rapid Team Championschip matches 11-18 | Italian Game: Two Knights Defense, Polerio Defense, Bishop Check Line | |
| Jun 1, 2025 | Horvath | 1–0 | Zaiarski | Round 5: Horvath, Dominik - Zaiarski, Stepan | Bogo-Indian Defense: Retreat Variation | |
| Jun 1, 2025 | Zaiarski | ½–½ | Hansen | Round 4: Zaiarski, Stepan - Hansen, Eric | Queen's Indian Defense: Fianchetto Variation, Nimzowitsch Variation, Nimzowitsch Attack | |
| — | Zaiarski | 1–0 | Srebrnic | Janez Barle Memorial | King's Gambit Accepted: Schallopp Defense | |
| — | Zaiarski | 0–1 | Soln | Janez Barle Memorial | King's Gambit | |
| — | Zaiarski | 1–0 | Python | Janez Barle Memorial | King's Gambit Accepted: Abbazia Defense | |
| — | Zaiarski | 1–0 | Mihic | Janez Barle Memorial | King's Gambit Accepted: Schallopp Defense | |
| — | Zaiarski | 1–0 | Zuzek | Janez Barle Memorial | King's Gambit Accepted: Schallopp Defense | |
| — | Zaiarski | 0–1 | Ciolek | LCF 2025 - Zlatko | Bogo-Indian Defense: Retreat Variation | |
| — | Zaiarski | 0–1 | Brilej | LCF 2025 - Zlatko | Benoni Defense: Fianchetto Variation | |
| — | Smirnov | 0–1 | Zaiarski | Janez Barle Memorial | King's Gambit Accepted: Abbazia Defense | |
| — | Srebrnic | 1–0 | Zaiarski | Janez Barle Memorial | King's Gambit Accepted: Abbazia Defense | |
| — | Albin Sajan | 1–0 | Zaiarski | Janez Barle Memorial | King's Gambit Accepted: Abbazia Defense | |
| — | Starcic | 0–1 | Zaiarski | Janez Barle Memorial | King's Gambit Accepted: Fischer Defense | |
