| 21 ago 2026 | Tratar, Marko 2340 | Brilej, Jaka 2372 | 0-1 | A07 King's Indian Attack: Yugoslav Variation | 36th Slovenian Individual Chess Championship 2026 | 24 | Ver |
| 20 ago 2026 | Tratar, Marko 2340 | Unuk, Laura 2290 | ½-½ | A07 King's Indian Attack | 36th Slovenian Individual Chess Championship 2026 | 69 | Ver |
| 19 ago 2026 | Zlindra, Aljaz 2150 | Tratar, Marko 2340 | 0-1 | B56 Sicilian Defense: Kupreichik Variation | 36th Slovenian Individual Chess Championship 2026 | 42 | Ver |
| 18 ago 2026 | Tratar, Marko 2340 | Srebrnic, Vojko 2064 | ½-½ | E00 Catalan Opening | 36th Slovenian Individual Chess Championship 2026 | 58 | Ver |
| 17 ago 2026 | Plaskan, Jure 2212 | Tratar, Marko 2340 | 1-0 | C11 French Defense: Classical Variation, Shirov-Anand Variation | 36th Slovenian Individual Chess Championship 2026 | 32 | Ver |
| 16 ago 2026 | Tratar, Marko 2340 | Marn, Jan 2357 | 1-0 | A05 King's Indian Attack: Symmetrical Defense | 36th Slovenian Individual Chess Championship 2026 | 39 | Ver |
| 16 ago 2026 | Siraj, Svit 2166 | Tratar, Marko 2340 | 0-1 | B40 Sicilian Defense: Kramnik Variation | 36th Slovenian Individual Chess Championship 2026 | 23 | Ver |
| 15 ago 2026 | Tratar, Marko 2340 | Veselic, Maks 2122 | ½-½ | A05 Zukertort Opening | 36th Slovenian Individual Chess Championship 2026 | 66 | Ver |
| 26 jun 2026 | Palac, Mladen 2468 | Tratar, Marko 2359 | 1-0 | C11 French Defense: Steinitz Variation, Boleslavsky Variation | Kasparov Chess Foundation Friendship Festival 2026 | 33 | Ver |
| 3 may 2026 | Shubh Atha 2085 | Tratar, Marko 2370 | 0-1 | A10 English Opening | LCF | 52 | Ver |
| 2 may 2026 | Tratar, Marko 2370 | Subelj, Jan 2555 | 0-1 | A13 English Opening: Agincourt Defense | LCF | 39 | Ver |
| 1 may 2026 | Tratar, Marko 2370 | Simonsen, Hans Kristian 2154 | 1-0 | A11 Réti Opening: Anglo-Slav Variation, with g3 | LCF | 36 | Ver |
| 1 may 2026 | Vidic, Teja 2123 | Tratar, Marko 2370 | ½-½ | B81 Sicilian Defense: Scheveningen Variation, Keres Attack | LCF | 52 | Ver |
| 30 abr 2026 | Tratar, Marko 2373 | Python, Noe 2142 | 1-0 | A05 King's Indian Attack | LCF | 25 | Ver |
| 28 abr 2026 | Munier, Alexis 2045 | Tratar, Marko 2373 | 1-0 | B40 Sicilian Defense: Pin Variation | LCF | 22 | Ver |
| 27 abr 2026 | Tratar, Marko 2373 | Smirnov, Maksim 2076 | ½-½ | A05 King's Indian Attack | LCF | 35 | Ver |
| 16 nov 2025 | Tratar, Marko 2361 | Cigan, Stefan 2308 | 1-0 | A04 Zukertort Opening: Polish Defense | Slovenian Team Championship 2025 | 103 | Ver |
| 15 nov 2025 | Podkriznik, Gregor 2393 | Tratar, Marko 2361 | 1-0 | E47 Nimzo-Indian Defense: Normal Variation | Slovenian Team Championship 2025 | 23 | Ver |
| 14 nov 2025 | Tratar, Marko 2361 | Furlan, Miha 2240 | ½-½ | A06 Nimzo-Larsen Attack: Classical Variation | Slovenian Team Championship 2025 | 62 | Ver |
| 27 sep 2025 | Tratar, Marko 2359 | Janzelj, Tim 2381 | ½-½ | A41 Queen's Pawn Game: Rossolimo Variation | Slovenian Team Championship 2025 | 61 | Ver |