| May 25, 2026 | Katumwa | * | du Maire | Round 7: Katumwa, Iko - du Maire, Jerome | ? | |
| May 25, 2026 | Jonsson | * | Katumwa | Round 6: Jonsson, Gauti Pall - Katumwa, Iko | ? | |
| May 24, 2026 | Katumwa | * | Lazrak | Round 5: Katumwa, Iko - Lazrak, Sami | ? | |
| May 24, 2026 | Manucharyan | * | Katumwa | Round 4: Manucharyan, Andriy - Katumwa, Iko | ? | |
| May 23, 2026 | Katumwa | * | Kienitz | Round 3: Katumwa, Iko - Kienitz, Andre | ? | |
| May 23, 2026 | Mueer | * | Katumwa | Round 2: Mueer, Sebastian - Katumwa, Iko | ? | |
| May 22, 2026 | Katumwa | * | Bakija | Round 1: Katumwa, Iko - Bakija, Alan | ? | |
| Sep 7, 2025 | Marechal | 1–0 | Katumwa | Mémorial Ronald Decrop 2025 | Italian Game: Classical Variation, Giuoco Pianissimo, with a6 | |
| — | Katumwa | 1–0 | De Rycke | Round 2: Katumwa, Iko - De Rycke, Killian | French Defense: Steinitz Variation, Boleslavsky Variation | |
| — | Katumwa | 1–0 | Decraene | Round 4: Katumwa, Iko - Decraene, Lotus | Sicilian Defense: Najdorf Variation | |
| — | Katumwa | 1–0 | Decraene | Round 5: Katumwa, Iko - Decraene, Lotus | Sicilian Defense: Najdorf Variation | |
| — | Katumwa | 1–0 | De Rycke | Round 5: Katumwa, Iko - De Rycke, Killian | French Defense: Steinitz Variation, Boleslavsky Variation | |
| — | Katumwa | 0–1 | Molitor | Round 6: Katumwa, Iko - Molitor, Milo | Sicilian Defense: Richter-Rauzer Variation, Neo-Modern Variation | |
| — | Katumwa | 1–0 | Chorosinski | Round 7: Katumwa, Iko - Chorosinski, Daniel | Sicilian Defense: Taimanov Variation | |
| — | Katumwa | ½–½ | Steeno | Round 9: Katumwa, Iko - Steeno, Matz | French Defense: Classical Variation, Pollock Variation | |
| — | Van De Perre | 0–1 | Katumwa | Round 1: Van De Perre, Ides - Katumwa, Iko | Modern Defense: Two Knights Variation | |
| — | Govoreanu | 1–0 | Katumwa | Round 3: Govoreanu, Matei - Katumwa, Iko | Ruy Lopez: Open, Howell Attack | |
| — | Zootjes | ½–½ | Katumwa | Round 5: Zootjes, Aaron - Katumwa, Iko | Ruy Lopez: Open, Classical Defense | |
| — | Govoreanu | 1–0 | Katumwa | Round 5: Govoreanu, Matei - Katumwa, Iko | Ruy Lopez: Open, Howell Attack | |
| — | Van De Perre | 0–1 | Katumwa | Round 5: Van De Perre, Ides - Katumwa, Iko | Modern Defense: Two Knights Variation | |
| — | Aishajiang | ½–½ | Katumwa | Round 8: Aishajiang, Ehsan - Katumwa, Iko | Italian Game: Classical Variation, Giuoco Pianissimo, with a6 | |
