| 9 jun 2026 | Valgmae, Toomas 2270 | Markowski, Damian 2108 | 1-0 | A56 Benoni Defense: Weenink Variation | European Senior Chess Championship 2026 | 50+ | 60 | Ver |
| 7 jun 2026 | Markowski, Damian 2108 | Sylvan, Jacob 2324 | ½-½ | D02 Queen's Pawn Game: London System | European Senior Chess Championship 2026 | 50+ | 25 | Ver |
| 5 jun 2026 | Mrva, Martin 2354 | Markowski, Damian 2108 | 1-0 | C84 Ruy Lopez: Closed, Martinez Variation | European Senior Chess Championship 2026 | 50+ | 40 | Ver |
| 3 jun 2026 | Van der Werf, Mark 2384 | Markowski, Damian 2108 | 1-0 | D35 Queen's Gambit Declined: Exchange Variation, Positional Variation | European Senior Chess Championship 2026 | 50+ | 123 | Ver |
| 19 abr 2026 | Markowski, Damian 2074 | Plesiuk, Andrzej 2054 | 1-0 | C42 Petrov's Defense: French Attack | Indywidualne Mistrzostwa Polski Seniorow 2026 - grupa 50+ | 46 | Ver |
| 13 abr 2026 | Bieluszewski, Piotr 2055 | Markowski, Damian 2074 | ½-½ | C77 Ruy Lopez: Morphy Defense, Anderssen Variation | Indywidualne Mistrzostwa Polski Seniorow 2026 - grupa 50+ | 13 | Ver |
| 13 abr 2026 | Markowski, Damian 2074 | Weber, Robert 2039 | 1-0 | A45 Indian Defense: Accelerated London System | Indywidualne Mistrzostwa Polski Seniorow 2026 - grupa 50+ | 34 | Ver |
| 13 abr 2026 | Cap, Piotr 2082 | Markowski, Damian 2074 | ½-½ | A45 Trompowsky Attack | Indywidualne Mistrzostwa Polski Seniorow 2026 - grupa 50+ | 13 | Ver |
| 6 sep 2025 | Jarzebowski, Kacper 2080 | Markowski, Damian 2077 | 1-0 | A30 English Opening: Symmetrical Variation, Hedgehog Defense | 2 liga 2025 1 | 53 | Ver |
| 5 sep 2025 | Markowski, Damian 2077 | Tsiapko, Andrii 2204 | ½-½ | B24 Sicilian Defense: Closed | 2liga_2025_3 | 27 | Ver |
| 3 sep 2025 | Wnek, Filip 2160 | Markowski, Damian 2077 | 0-1 | B12 Caro-Kann Defense: Advance Variation, Tal Variation | 2 liga 2025 2 | 48 | Ver |
| 2 sep 2025 | Markowski, Damian 2077 | Turski, Bartlomiej 2386 | 0-1 | E21 Nimzo-Indian Defense: Three Knights Variation | 2 liga 2025 1 | 47 | Ver |