| Jun 10, 2026 | Pritchett | ½–½ | Kolesar | Round 9: Pritchett, Craig W - Kolesar, Milan | English Opening: Anglo-Indian Defense, King's Knight Variation | |
| Jun 9, 2026 | Kolesar | 1–0 | Guigonis | Round 8: Kolesar, Milan - Guigonis, Dominique | Zukertort Opening: Kingside Fianchetto | |
| Jun 8, 2026 | Petursson | 1–0 | Kolesar | Round 7: Petursson, Margeir - Kolesar, Milan | Réti Opening: Anglo-Slav Variation, with g3 | |
| Jun 7, 2026 | Kolesar | ½–½ | Ubezio | Round 6: Kolesar, Milan - Ubezio, Marco | Queen's Pawn Game: Krause Variation | |
| Jun 6, 2026 | Huss | 0–1 | Kolesar | Round 5: Huss, Andreas - Kolesar, Milan | Slav Defense: Exchange Variation | |
| Jun 5, 2026 | Kolesar | 1–0 | Wegemund | Round 4: Kolesar, Milan - Wegemund, Hubert | Queen's Gambit Declined: Harrwitz Attack, Fianchetto Defense | |
| Jun 4, 2026 | Ftacnik | ½–½ | Kolesar | Round 3: Ftacnik, Lubomir - Kolesar, Milan | Slav Defense: Czech Variation, Krause Attack | |
| Jun 3, 2026 | Kolesar | 1–0 | Fox | Round 2: Kolesar, Milan - Fox, Pierre | Queen's Pawn Game: Krause Variation | |
| Jun 2, 2026 | Zangrando | ½–½ | Kolesar | Round 1: Zangrando, Gianpietro - Kolesar, Milan | Queen's Pawn Game: Accelerated London System | |
| May 23, 2026 | Kolesar | ½–½ | Cambel | Tatrafest 2026 MSR seniorov 65+ | English Opening: Anglo-Indian Defense, King's Indian Formation | |
| May 22, 2026 | Priehoda | 1–0 | Kolesar | Tatrafest 2026 MSR seniorov 65+ | Sicilian Defense: Moscow Variation | |
| May 21, 2026 | Kolesar | 1–0 | Hudak | Tatrafest 2026 MSR seniorov 65+ | English Opening: Symmetrical Variation, Hedgehog Defense | |
| May 20, 2026 | Packa | ½–½ | Kolesar | Tatrafest 2026 MSR seniorov 65+ | Sicilian Defense: Moscow Variation | |
| May 19, 2026 | Kolesar | 1–0 | Briza | Tatrafest 2026 MSR seniorov 65+ | Neo-Grünfeld Defense: Delayed Exchange Variation | |
| May 18, 2026 | Slavinsky | ½–½ | Kolesar | Tatrafest 2026 MSR seniorov 65+ | King's Indian Attack, with Bf5 | |
| May 17, 2026 | Kolesar | 1–0 | Pereszlenyi | Tatrafest 2026 MSR seniorov 65+ | Queen's Gambit Declined: Harrwitz Attack, Orthodox Defense | |
| Nov 1, 2025 | Petran | 0–1 | Kolesar | Round 11: Petran, Peter - Kolesar, Milan | Hungarian Opening: Indian Defense | |
| Oct 31, 2025 | Kolesar | ½–½ | Moen | Round 10: Kolesar, Milan - Moen, Ole Christian | English Opening: Anglo-Indian Defense, King's Indian Formation | |
| Oct 30, 2025 | Kolesar | 1–0 | Sosa Patino | Round 9: Kolesar, Milan - Sosa Patino, Carlos | Queen's Gambit Declined: Harrwitz Attack | |
| Oct 29, 2025 | Malakhovets | ½–½ | Kolesar | Round 8: Malakhovets, Sergey - Kolesar, Milan | Rapport-Jobava System | |
| Oct 28, 2025 | Kolesar | ½–½ | Arias Formoso | Round 7: Kolesar, Milan - Arias Formoso, Rodolfo | Queen's Pawn Game: Zukertort Variation | |
| Oct 26, 2025 | Gunawan | 1–0 | Kolesar | Round 6: Gunawan, Ronny - Kolesar, Milan | Polish Opening: Outflank Variation | |
| Oct 25, 2025 | Kolesar | 1–0 | Baimurzin | Round 5: Kolesar, Milan - Baimurzin, Aitkazy | King's Indian Defense: Fianchetto Variation, Lesser Simagin (Spassky) | |
| Oct 24, 2025 | Hulse | 0–1 | Kolesar | Round 4: Hulse, Brian - Kolesar, Milan | Slav Defense: Czech Variation, Krause Attack | |
| Oct 23, 2025 | Kolesar | 0–1 | Rivera | Round 3: Kolesar, Milan - Rivera, Daniel | King's Indian Defense: Fianchetto Variation, Yugoslav Variation, Advance Line | |
| Oct 22, 2025 | Garofalo | 0–1 | Kolesar | Round 2: Garofalo, Sergio - Kolesar, Milan | Slav Defense: Breyer Variation | |
| Oct 21, 2025 | Kolesar | ½–½ | Ring | Round 1: Kolesar, Milan - Ring, Rudolf | Semi-Slav Defense: Bogoljubow Variation | |
| Jun 16, 2025 | Wang | 1–0 | Kolesar | 37th International Chess Tournament Open Pula 2025 | Sicilian Defense: Richter-Rauzer Variation, Neo-Modern Variation, Early Deviations | |
| Nov 28, 2024 | Kolesar | ½–½ | Wallner | World Senior Chess Championship 2024 | English Opening: Symmetrical Variation, Three Knights Variation | |
| Nov 17, 2024 | Kolesar | 0–1 | Glek | World Senior Chess Championship 2024 | Dutch Defense: Classical Variation, Huisl Variation | |
| Aug 11, 2024 | Tesar | 1–0 | Kolesar | Olomouc 2024 - S50 | Queen's Pawn Game: Symmetrical Variation, Pseudo-Catalan | |
| Nov 17, 2022 | Kolesar | 0–1 | Antonio | 30th World Senior Chess Championship 2022 | English Opening: Anglo-Indian Defense, Nimzo-English | |
| Jun 23, 2022 | Kolesar | ½–½ | Filipovic | Pula Open | English Opening: Anglo-Indian Defense, King's Indian Formation, Double Fianchetto | |
| Jun 20, 2022 | Maki-Uuro | 1–0 | Kolesar | Pula Open | Slav Defense: Two Knights Attack | |
| — | Kolesar | 1–0 | Zidu | Olomouc 2024 - S50 | Semi-Slav Defense: Chigorin Defense | |
| — | Kolesar | 1–0 | Richter | Olomouc 2024 - S50 | English Opening: Anglo-Indian Defense, Queen's Indian Formation | |
| — | Kolesar | ½–½ | Heller | Olomouc 2024 - S50 | King's Indian Defense: Fianchetto Variation, Classical Variation | |
| — | Kolesar | ½–½ | Musil | Olomouc Chess Summer 2025 - D2 open seniors tournament 65+ | English Opening: Anglo-Indian Defense, King's Indian Formation | |
| — | Kolesar | ½–½ | Svub | Olomouc Chess Summer 2025 - D2 open seniors tournament 65+ | Sicilian Defense: Accelerated Dragon, Maróczy Bind | |
| — | Kolesar | ½–½ | Margovsky | Olomouc Chess Summer 2025 - D2 open seniors tournament 65+ | Slav Defense: Three Knights Variation | |
| — | Kolesar | ½–½ | Green | Olomouc Chess Summer 2025 - D2 open seniors tournament 65+ | English Opening: Symmetrical Variation, Anti-Benoni Variation, Spielmann Defense | |
| — | Linik | ½–½ | Kolesar | Olomouc 2024 - S50 | Sicilian Defense: Delayed Alapin Variation | |
| — | Bednar | 1–0 | Kolesar | Olomouc 2024 - S50 | Slav Defense: Exchange Variation | |
| — | Pribyl | ½–½ | Kolesar | Olomouc 2024 - S50 | Slav Defense | |
| — | Sveda | 0–1 | Kolesar | Olomouc Chess Summer 2025 - D2 open seniors tournament 65+ | Sicilian Defense: Delayed Alapin Variation, with d6 | |
| — | Vlacil | ½–½ | Kolesar | Olomouc Chess Summer 2025 - D2 open seniors tournament 65+ | Sicilian Defense: Delayed Alapin Variation | |
| — | Kulhavy | ½–½ | Kolesar | Olomouc Chess Summer 2025 - D2 open seniors tournament 65+ | Sicilian Defense: Classical Variation | |
| — | Kotva | 0–1 | Kolesar | Olomouc Chess Summer 2025 - D2 open seniors tournament 65+ | Sicilian Defense: Delayed Alapin Variation, with d6 | |