| Feb 11, 2024 | Oscar Zecha | 1–0 | Samuel Lopes | Round 7: Oscar Zecha - Samuel Lopes | Sicilian Defense: Lasker-Pelikan Variation, Sveshnikov Variation, Chelyabinsk Variation | |
| Feb 11, 2024 | Dylan Roersma | 0–1 | Oscar Zecha | Round 6: Dylan Roersma - Oscar Zecha | Italian Game: Giuoco Piano | |
| Feb 11, 2024 | Oscar Zecha | 1–0 | Bram Ten Dam | Round 5: Oscar Zecha - Bram Ten Dam | Sicilian Defense: Richter-Rauzer Variation, Classical Variation | |
| Feb 10, 2024 | David Madularea | 0–1 | Oscar Zecha | Round 4: David Madularea - Oscar Zecha | Vienna Game: Falkbeer Variation | |
| Feb 10, 2024 | Oscar Zecha | 1–0 | Gachatur Kazarjan | Round 3: Oscar Zecha - Gachatur Kazarjan | Scandinavian Defense: Modern Variation | |
| Feb 10, 2024 | Oscar Zecha | 1–0 | Gustav Ten Kate | Round 2: Oscar Zecha - Gustav Ten Kate | Alekhine Defense: Exchange Variation | |
| Feb 10, 2024 | Jim De Wit | 0–1 | Oscar Zecha | Round 1: Jim De Wit - Oscar Zecha | Scotch Game: Potter Variation | |
| Aug 18, 2023 | Dora Peglau | 1–0 | Oscar Zecha | FIDE U16 Olympiad_boards_1-80 | King's Indian Attack: Spassky Variation | |
| Aug 17, 2023 | Oscar Zecha | 1–0 | Elysia Feng | FIDE U16 Olympiad_boards_1-80 | Queen's Gambit Declined: Tarrasch Defense, Pseudo-Tarrasch | |
| Aug 17, 2023 | Oscar Zecha | 0–1 | Ethan Su | FIDE U16 Olympiad_boards_1-80 | Petrov's Defense: Nimzowitsch Attack | |
| Aug 16, 2023 | Jahandar Azadaliyev | 1–0 | Oscar Zecha | FIDE U16 Olympiad_boards_1-80 | Nimzo-Indian Defense: Spielmann Variation | |
| Aug 15, 2023 | Oscar Zecha | 1–0 | Madina Momyn | FIDE U16 Olympiad_boards_1-80 | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | |
| Aug 15, 2023 | Vasilije Radulovic | ½–½ | Oscar Zecha | FIDE U16 Olympiad_boards_1-80 | Italian Game: Classical Variation, Greco Gambit, Traditional Line | |
| Aug 14, 2023 | Oscar Zecha | 0–1 | Chloe Fan | FIDE U16 Olympiad_boards_1-80 | Slav Defense: Quiet Variation | |
| Aug 14, 2023 | Eray Kilic | 1–0 | Oscar Zecha | FIDE U16 Olympiad_boards_1-80 | Italian Game: Classical Variation, Giuoco Pianissimo, with d6 | |
| Aug 13, 2023 | Oscar Zecha | 1–0 | Ssubi Kiwanuka | FIDE U16 Olympiad_boards_81-124 | Petrov's Defense: Nimzowitsch Attack | |
| May 6, 2023 | Oscar Zecha | ½–½ | David Madularea | Round 9: Oscar Zecha - David Madularea | King's Indian Defense: Fianchetto Variation, Immediate Fianchetto | |
| May 5, 2023 | Oscar Zecha | ½–½ | Akshaj Katpatal | Round 8: Oscar Zecha - Akshaj Katpatal | Petrov's Defense: Nimzowitsch Attack | |
| May 4, 2023 | William Roolvink | ½–½ | Oscar Zecha | Round 7: William Roolvink - Oscar Zecha | Ruy Lopez: Berlin Defense, Rio Gambit Accepted | |
| May 4, 2023 | Oscar Zecha | ½–½ | Chenwu Zhu | Round 6: Oscar Zecha - Chenwu Zhu | Queen's Gambit Declined | |
| May 3, 2023 | Joel Groenewoud | 1–0 | Oscar Zecha | Round 5: Joel Groenewoud - Oscar Zecha | Italian Game: Evans Gambit, Anderssen Variation, Cordel Line | |
| May 2, 2023 | Sascha Kurt | ½–½ | Oscar Zecha | Round 4: Sascha Kurt - Oscar Zecha | Italian Game: Classical Variation, Greco Gambit | |
| May 2, 2023 | Oscar Zecha | 1–0 | Wouter Terlouw | Round 3: Oscar Zecha - Wouter Terlouw | Queen's Indian Defense: Classical Variation, Traditional Variation, Nimzowitsch Line | |
| Oct 22, 2022 | Mark Bloem | 0–1 | Oscar Zecha | Round 9: Mark Bloem - Oscar Zecha | ? | |
| Oct 21, 2022 | Oscar Zecha | 0–1 | Loek Van Der Hagen | Round 8: Oscar Zecha - Loek Van Der Hagen | Sicilian Defense: Richter-Rauzer Variation, Modern Variation | |
| Oct 20, 2022 | Jeroen Bollaart | 0–1 | Oscar Zecha | Round 7: Jeroen Bollaart - Oscar Zecha | King's Gambit Accepted: Abbazia Defense | |
| Oct 19, 2022 | Oscar Klaren | ½–½ | Oscar Zecha | Round 6: Oscar Klaren - Oscar Zecha | Four Knights Game: Scotch Variation Accepted | |
| Oct 19, 2022 | Oscar Zecha | ½–½ | Fabian Mader | Round 5: Oscar Zecha - Fabian Mader | Sicilian Defense: Lasker-Pelikan Variation, Sveshnikov Variation, Chelyabinsk Variation | |
| Oct 18, 2022 | Leandro Slagboom | 1–0 | Oscar Zecha | Round 4: Leandro Slagboom - Oscar Zecha | Scotch Game: Potter Variation | |
| Oct 17, 2022 | Oscar Zecha | 1–0 | John Ten Ham | Round 3: Oscar Zecha - John Ten Ham | Sicilian Defense: Najdorf Variation | |
| Oct 16, 2022 | Machteld Van Foreest | 1–0 | Oscar Zecha | Round 2: Machteld Van Foreest - Oscar Zecha | Italian Game: Classical Variation, Giuoco Pianissimo, Main Line | |
| Oct 15, 2022 | Oscar Zecha | ½–½ | Bram Van Den Berg | Round 1: Oscar Zecha - Bram Van Den Berg | Scandinavian Defense: Modern Variation | |
