| Jul 30, 2025 | Brito | 0–1 | Welling | Round 5: Brito, Franco - Welling, Zac | Nimzo-Larsen Attack: Modern Variation | |
| Jul 29, 2025 | Welling | ½–½ | Gera | Round 4: Welling, Zac - Gera, Marvin | English Opening: Anglo-Indian Defense, King's Knight Variation | |
| Jul 29, 2025 | Welling | 1–0 | Faustino Lawlor | Round 3: Welling, Zac - Faustino Lawlor, Elias | Caro-Kann Defense: Two Knights Attack | |
| Jul 28, 2025 | Sharhorodsky | 0–1 | Welling | Round 2: Sharhorodsky, Yaroslav - Welling, Zac | Sicilian Defense: Najdorf Variation, Lipnitsky Attack | |
| Jul 28, 2025 | Welling | ½–½ | Fairhurst | Round 1: Welling, Zac - Fairhurst, Frederick | Ruy Lopez: Morphy Defense, Anderssen Variation | |
| Jul 20, 2025 | Welling | ½–½ | Rastogi | ECF English Open Championship 2025 | Sicilian Defense: Closed | |
| Jul 20, 2025 | Liu | 1–0 | Welling | ECF English Open Championship 2025 | Caro-Kann Defense: Advance Variation, Short Variation | |
| Jul 19, 2025 | Welling | ½–½ | Dishman | ECF English Open Championship 2025 | Caro-Kann Defense: Exchange Variation | |
| Jul 19, 2025 | Anjulan | 0–1 | Welling | ECF English Open Championship 2025 | Sicilian Defense: Closed | |
| Jul 18, 2025 | Welling | ½–½ | Bolt | ECF English Open Championship 2025 | Modern Defense | |
| Jul 18, 2025 | Pereslavtsev | 1–0 | Welling | ECF English Open Championship 2025 | Slav Defense: Czech Variation, Classical System, Main Line | |
| Jul 18, 2025 | Welling | 0–1 | Shearsby | ECF English Open Championship 2025 | Sicilian Defense: Moscow Variation | |
| Apr 26, 2025 | Welling | 0–1 | Piotr Majca | Round 3: Welling, Zac - Piotr Majca | Modern Defense: Standard Defense | |
| Apr 25, 2025 | Taylor | 1–0 | Welling | Round 1: Taylor, Adam A - Welling, Zac | Réti Opening: Anglo-Slav Variation, New York System | |
| Mar 23, 2025 | Welling | 0–1 | Haubold | Round 5: Welling, Zac - Haubold, Christian | Ruy Lopez: Morphy Defense, Anderssen Variation | |
| Mar 22, 2025 | Welling | 1–0 | Kryshtafor | Round 3: Welling, Zac - Kryshtafor, Maksym | Italian Game: Two Knights Defense, Polerio Defense, Bishop Check Line | |
| Mar 22, 2025 | Westerhof | ½–½ | Welling | Round 4: Westerhof, Fleur - Welling, Zac | Caro-Kann Defense: Karpov Variation | |
| Mar 21, 2025 | Briem | 1–0 | Welling | Round 1: Briem, Gudrun Fanney - Welling, Zac | Sicilian Defense: Najdorf Variation | |
| Mar 21, 2025 | Duan | 0–1 | Welling | Round 2: Duan, Yinan - Welling, Zac | Sicilian Defense: Najdorf Variation | |
| Jul 31, 2024 | Watkinson | 0–1 | Welling | Round 5: Watkinson, Colin - Welling, Zac | Sicilian Defense: Najdorf Variation | |
| Jul 29, 2024 | Buffard | 0–1 | Welling | Round 3: Buffard, Julien - Welling, Zac | Sicilian Defense: Najdorf Variation | |
| Jul 28, 2024 | Welling | 0–1 | Cancedda-Dupuis | Round 2: Welling, Zac - Cancedda-Dupuis, Livio | Sicilian Defense: Grand Prix Attack | |
| Jul 27, 2024 | Qin | * | Welling | Round 1: Qin, Oscar - Welling, Zac | ? | |
| Jul 24, 2024 | Semenov | ½–½ | Welling | Round 4: Semenov, Igor - Welling, Zac | King's Indian Defense: Normal Variation, King's Knight Variation | |
| Jul 24, 2024 | Welling | 1–0 | Martin | Round 3: Welling, Zac - Martin, Jamie | French Defense: Tarrasch Variation, Closed Variation | |
| Jul 23, 2024 | Kowalski Rubiales | 1–0 | Welling | Round 2: Kowalski Rubiales, Nicholas - Welling, Zac | Sicilian Defense: Modern Variations | |
| Jul 23, 2024 | Welling | 0–1 | Yu | Round 1: Welling, Zac - Yu, Rock | Alekhine Defense: Modern Variation, Larsen Variation | |
| Jul 11, 2024 | Welling | ½–½ | Sharhorodsky | Round 5: Welling, Zac - Sharhorodsky, Yaroslav | Caro-Kann Defense: Exchange Variation, Rubinstein Variation | |
| Apr 21, 2024 | Welling | ½–½ | Kumar | Round 5: Welling, Zac - Kumar, Sanjit S | French Defense: Tarrasch Variation, Chistyakov Defense | |
| Apr 21, 2024 | Leung | ½–½ | Welling | Round 4: Leung, Hao Ran - Welling, Zac | King's Indian Defense: Fianchetto Variation, Classical Variation | |
| Apr 20, 2024 | Welling | 1–0 | Tan | Round 3: Welling, Zac - Tan, Chong Hien Andrew | Italian Game: Two Knights Defense, Polerio Defense, Bishop Check Line | |
| Apr 20, 2024 | Regan | 1–0 | Welling | Round 2: Regan, Natasha K - Welling, Zac | Réti Opening: Anglo-Slav Variation, Torre System | |
| Aug 4, 2024 | Shaw | 0–1 | Welling | Round 9: Shaw, Peter - Welling, Zac | King's Indian Defense: Orthodox Variation, Gligoric-Taimanov System | |
| Aug 3, 2024 | Welling | 1–0 | Li | Round 8: Welling, Zac - Li, Xiaofan | Caro-Kann Defense: Tartakower Variation | |
| Aug 2, 2024 | Zhao | 1–0 | Welling | Round 7: Zhao, George - Welling, Zac | King's Indian Defense: Fianchetto Variation, Classical Variation | |
| Aug 1, 2024 | Welling | ½–½ | Angst | Round 6: Welling, Zac - Angst, Oliver | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Jul 30, 2024 | Welling | 0–1 | Adams | Round 4: Welling, Zac - Adams, Henry | Italian Game: Classical Variation, Greco Gambit | |
| — | Welling | 1–0 | Eldridge | Round 1: Welling, Zac - Eldridge, Albert | Sicilian Defense: Closed, Traditional | |
| — | Welling | ½–½ | Nelson | Round 3: Welling, Zac - Nelson, Jonathan P | Pirc Defense: Byrne Variation | |
| — | Welling | 0–1 | Jaunooby | Round 5: Welling, Zac - Jaunooby, Ali R | English Opening: Anglo-Indian Defense, King's Knight Variation | |
| — | Welling | 1–0 | Swiatkowski | Round 7: Welling, Zac - Swiatkowski, Dominik | Italian Game: Classical Variation, Greco Gambit | |
| — | Welling | ½–½ | Waterfield | Round 9: Welling, Zac - Waterfield, Mark | French Defense: Tarrasch Variation, Closed Variation, Main Line | |
| — | Nitish Brunth Sundar | 0–1 | Welling | Round 2: Nitish Brunth Sundar - Welling, Zac | Queen's Pawn Game: Accelerated London System | |
| — | Green | ½–½ | Welling | Round 4: Green, Michael - Welling, Zac | Queen's Pawn Game: Modern Defense | |
| — | Keerthi Kumar | 1–0 | Welling | Round 6: Keerthi Kumar, Advait - Welling, Zac | Sicilian Defense: Najdorf Variation | |
| — | Zhu | ½–½ | Welling | Round 8: Zhu, Pengxiao - Welling, Zac | Slav Defense: Exchange Variation, Trifunovic Variation | |