| Apr 4, 2026 | Harakis | 0–1 | Zeidler | Round 4: Harakis, Alexis M - Zeidler, Sven P. | Queen's Gambit Declined: Chigorin Defense | |
| Apr 3, 2026 | Zeidler | 1–0 | Browse | Round 2: Zeidler, Sven P. - Browse, Joseph | Petrov's Defense: French Attack | |
| Apr 2, 2026 | Davis | 0–1 | Zeidler | Round 1: Davis, Lee - Zeidler, Sven P. | Queen's Gambit Declined: Chigorin Defense, Main Line | |
| Mar 23, 2026 | Zeidler | 0–1 | Fowler | Round 7: Zeidler, Sven P. - Fowler, Hugo | Ponziani Opening: Vukovic Gambit | |
| Mar 23, 2026 | Bullen | ½–½ | Zeidler | Round 6: Bullen, Alex - Zeidler, Sven P. | Queen's Pawn Game: Chigorin Variation | |
| Mar 23, 2026 | Zeidler | 1–0 | Rathbone-Jones | Round 5: Zeidler, Sven P. - Rathbone-Jones, Ifan | Sicilian Defense: Closed | |
| Mar 23, 2026 | Zeidler | ½–½ | Camacho Collados | Round 3: Zeidler, Sven P. - Camacho Collados, Jose | Caro-Kann Defense: Maróczy Variation | |
| Apr 13, 2025 | Zeidler | ½–½ | Buckley | ESTCC50 | Sicilian Defense: Grand Prix Attack | |
| Apr 12, 2025 | Buckley | 1–0 | Zeidler | ESTCC50 | Nimzowitsch Defense: Williams Variation | |
| Apr 10, 2025 | Zeidler | ½–½ | Zych | ESTCC50 | Sicilian Defense: Grand Prix Attack | |
| Apr 9, 2025 | Lalic | ½–½ | Zeidler | ESTCC50 | Nimzowitsch Defense: Williams Variation | |
| Apr 7, 2025 | Zeidler | 0–1 | Laszewicz | ESTCC50 | Benoni Defense: French Benoni | |
| Apr 6, 2025 | Buckley | 0–1 | Zeidler | ESTCC50 | Nimzowitsch Defense: Williams Variation | |
| Apr 5, 2025 | Zeidler | 1–0 | Rogowski | ESTCC50 | Pirc Defense: Kholmov System | |
| Jul 31, 2024 | Kilshaw | 0–1 | Zeidler | Round 3: Kilshaw, Joe - Zeidler, Sven P. | Nimzowitsch Defense | |
| Jul 29, 2024 | Wheeler | 1–0 | Zeidler | Round 1: Wheeler, James M - Zeidler, Sven P. | Queen's Pawn Game: Veresov Attack, Dutch System | |
| Jul 11, 2024 | Jhunjhnuwala | ½–½ | Zeidler | wst50 | Nimzowitsch Defense | |
| Jul 10, 2024 | Zeidler | 1–0 | Belakovskaia | wstcc2024o50 | Italian Game: Scotch Gambit, Max Lange Attack | |
| Jul 9, 2024 | Zeidler | 1–0 | Osiecki | wst50 | French Defense: Exchange Variation | |
| Jul 7, 2024 | Csonkics | ½–½ | Zeidler | wst50 | Zukertort Opening: Dutch Variation | |
| Jul 6, 2024 | Zeidler | ½–½ | Krause | wstcc2024o50 | French Defense: Exchange Variation | |
| Jul 5, 2024 | Plotkin | 1–0 | Zeidler | wstcc2024o50 | Nimzowitsch Defense: Williams Variation | |
| Jul 3, 2024 | Zeidler | 0–1 | Oratovsky | wstcc2024o50 | Sicilian Defense: Closed | |
| Jul 2, 2024 | Zeidler | 1–0 | Grawe | wstcc2024o50 | Sicilian Defense: Closed, Traditional | |
| Apr 1, 2024 | Bullen | 1–0 | Zeidler | Round 7: Bullen, Alex - Zeidler, Sven P. | Nimzowitsch Defense: Scandinavian Variation, Bogoljubow Variation, Vehre Variation | |
| Apr 1, 2024 | Zeidler | 0–1 | Strugnell | Round 6: Zeidler, Sven P. - Strugnell, Carl | Italian Game: Classical Variation, Greco Gambit | |
| Mar 31, 2024 | Zeidler | ½–½ | Kett | Round 5: Zeidler, Sven P. - Kett, Tim | Sicilian Defense: Closed, Traditional | |
| Mar 30, 2024 | Rathbone-Jones | 0–1 | Zeidler | Round 4: Rathbone-Jones, Ifan - Zeidler, Sven P. | Nimzowitsch Defense: Scandinavian Variation, Exchange Variation | |
| Mar 30, 2024 | Zeidler | 1–0 | Smith | Round 3: Zeidler, Sven P. - Smith, Lynda | Sicilian Defense: Closed | |
| Mar 30, 2024 | Toczek | 1–0 | Zeidler | Round 2: Toczek, Grzegorz - Zeidler, Sven P. | Nimzowitsch Defense: Scandinavian Variation, Advance Variation | |
| Mar 30, 2024 | Zeidler | 1–0 | Turner | Round 1: Zeidler, Sven P. - Turner, Joseph David | Nimzowitsch Defense: Kennedy Variation, Paulsen Attack | |
| Aug 4, 2024 | Burrows | 1–0 | Zeidler | Round 7: Burrows, Martin P - Zeidler, Sven P. | Nimzowitsch Defense: Williams Variation | |
| Aug 3, 2024 | Zeidler | 0–1 | Arkell | Round 6: Zeidler, Sven P. - Arkell, Keith C | Scandinavian Defense: Mieses-Kotroc Variation | |
| Aug 2, 2024 | Minnican | ½–½ | Zeidler | Round 5: Minnican, Alan - Zeidler, Sven P. | Zukertort Opening: Dutch Variation | |
| Aug 1, 2024 | Zeidler | 1–0 | Mason | Round 4: Zeidler, Sven P. - Mason, Donald J | Scotch Game: Scotch Gambit, Advance Variation | |
| Jul 30, 2024 | Zeidler | 1–0 | Turner | Round 2: Zeidler, Sven P. - Turner, Tim M | Scandinavian Defense: Mieses-Kotroc Variation | |
| May 1, 2023 | Ledger | ½–½ | Zeidler | 4NCL Division 1 2022-2023 | Dutch Defense: Leningrad Variation, Warsaw Variation | |
| Apr 30, 2023 | Durak | 1–0 | Zeidler | 4NCL Division 1 2022-2023 | Dutch Defense: Queen's Knight Variation | |
| Apr 29, 2023 | Zeidler | 0–1 | Murray | 4NCL Division 1 2022-2023 | Ponziani Opening: Vukovic Gambit | |
| Mar 19, 2023 | Zeidler | 0–1 | Shaw | 4NCL Division 1 2022-2023 | Caro-Kann Defense: Maróczy Variation | |
| Mar 18, 2023 | Starley | 1–0 | Zeidler | 4NCL Division 1 2022-2023 | Nimzowitsch Defense: Williams Variation | |
| Jan 15, 2023 | Terbe | 1–0 | Zeidler | 4NCL Division 1 2022-2023 | Nimzowitsch Defense: Williams Variation | |
| Jan 14, 2023 | Zeidler | ½–½ | Eggleston | 4NCL Division 1 2022-2023 | French Defense: Exchange Variation | |
| May 1, 2022 | Zulfic | 0–1 | Zeidler | 4NCL Main League 1-2 | Nimzowitsch Defense: Scandinavian Variation, Bogoljubow Variation, Vehre Variation | |
| Apr 30, 2022 | Zeidler | ½–½ | Mihalik | 4NCL Main League 1-2 | Sicilian Defense: Closed | |
| Mar 26, 2022 | Zeidler | 1–0 | Wilson | 4NCL Main League 1-2 | French Defense: Exchange Variation | |
| Feb 13, 2022 | Han | ½–½ | Zeidler | 4NCL Main League 1-2 | Nimzowitsch Defense: Williams Variation | |
| Feb 12, 2022 | Zeidler | 0–1 | Schwartz | 4NCL Main League 1-2 | Sicilian Defense: Closed | |
| Nov 28, 2021 | Zeidler | ½–½ | Holland | 4NCL Division 1_2 | Sicilian Defense: Closed | |
| Nov 27, 2021 | Zeidler | * | Onslow | 4NCL Division 1_2 | ? | |