| Apr 5, 2026 | Dotzer | 1–0 | Mitev | X Open Semana Santa 2026 - Grupo A | Modern Defense: Standard Defense | |
| Apr 3, 2026 | Chen | 1–0 | Mitev | X Open Semana Santa 2026 - Grupo A | Modern Defense: Standard Defense | |
| Feb 22, 2026 | Cummings | ½–½ | Mitev | Round 8: Cummings, David H. - Mitev, Valentin | King's Indian Defense: Normal Variation, Rare Defenses | |
| Feb 22, 2026 | Mitev | 1–0 | Kiss | Round 9: Mitev, Valentin - Kiss, Lajos | Yusupov-Rubinstein System | |
| Feb 21, 2026 | Woods | 0–1 | Mitev | Round 1: Woods, Yannick - Mitev, Valentin | Modern Defense: Averbakh System | |
| Feb 20, 2026 | Mitev | 1–0 | Dignam | Round 7: Mitev, Valentin - Dignam, Matthew | Indian Defense: Wade-Tartakower Defense | |
| Feb 19, 2026 | Cancedda-Dupuis | 1–0 | Mitev | Round 6: Cancedda-Dupuis, Livio - Mitev, Valentin | Semi-Slav Defense: Stoltz Variation | |
| Feb 19, 2026 | Mitev | 1–0 | Fellowes | Round 5: Mitev, Valentin - Fellowes, Billy | King's Indian Defense: Makogonov Variation | |
| Feb 18, 2026 | Murawski | ½–½ | Mitev | Round 4: Murawski, Jan - Mitev, Valentin | King's Indian Defense: Sämisch Variation, Sämisch Gambit | |
| Feb 17, 2026 | Mitev | 1–0 | Steiners | Round 3: Mitev, Valentin - Steiners, Emils | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Feb 17, 2026 | Mitev | 0–1 | Burrows | Round 2: Mitev, Valentin - Burrows, Martin P | Yusupov-Rubinstein System | |
| Nov 8, 2025 | Eklund | 0–1 | Mitev | Round 9: Eklund, Joel - Mitev, Valentin | Modern Defense: Averbakh System | |
| Nov 8, 2025 | Mitev | 1–0 | Alexakis | Round 8: Mitev, Valentin - Alexakis, Georgios | Trompowsky Attack | |
| Nov 8, 2025 | Mitev | 1–0 | Miroslaw | Round 7: Mitev, Valentin - Miroslaw, Michal | Rubinstein Opening | |
| Nov 8, 2025 | Olsen | 1–0 | Mitev | Round 6: Olsen, Filip Boe - Mitev, Valentin | King's Indian Attack | |
| Nov 8, 2025 | Mitev | 0–1 | Grinev | Round 5: Mitev, Valentin - Grinev, Valeriy | Slav Defense: Quiet Variation, Pin Defense | |
| May 29, 2025 | Boev | 0–1 | Mitev | sofia25 | Pirc Defense: Austrian Attack, Weiss Variation | |
| May 28, 2025 | Mitev | ½–½ | Druska | sofia25 | Queen's Pawn Game: Accelerated London System | |
| May 27, 2025 | Raeva | 0–1 | Mitev | sofia25 | English Opening: Symmetrical Variation, Ultra-Symmetrical Variation | |
| May 26, 2025 | Mitev | 0–1 | Dehtiarov | sofia25 | King's Indian Defense: Makogonov Variation | |
| May 26, 2025 | Todev | 0–1 | Mitev | sofia25 | Modern Defense | |
| May 25, 2025 | Mitev | 0–1 | Krishna C R G | sofia25 | Queen's Pawn Game: Colle System | |
| May 24, 2025 | Yilmaz | 0–1 | Mitev | sofia25 | Pirc Defense: Classical Variation, Quiet System, Chigorin Line | |
| May 23, 2025 | Mitev | 1–0 | Kyparissopoulos | sofia25 | Nimzo-Indian Defense: Normal Variation, Classical Defense | |
| May 23, 2025 | Mihaylov | ½–½ | Mitev | sofia25 | Modern Defense | |
| Apr 20, 2025 | Mitev | 0–1 | Jain Kashish Manoj | Semana Santa A. 2025 | Queen's Pawn Game: Colle System | |
| Apr 18, 2025 | Mitev | ½–½ | Camacho Collados | Semana Santa A. 2025 | Queen's Pawn Game: Colle System | |
| Nov 3, 2024 | Schneider | ½–½ | Mitev | Round 9: Schneider, Ilja - Mitev, Valentin | Petrov's Defense: Modern Attack, Center Variation | |
| Nov 2, 2024 | Mitev | ½–½ | Frischmann | Round 8: Mitev, Valentin - Frischmann, Rick | Benko Gambit Declined: Main Line | |
| Nov 1, 2024 | Delitzsch | 0–1 | Mitev | Round 7: Delitzsch, Juergen - Mitev, Valentin | Modern Defense: Pseudo-Austrian Attack | |
| Oct 31, 2024 | Mitev | 1–0 | Tan | Round 6: Mitev, Valentin - Tan, Yi Rui Ray | Rubinstein Opening | |
| Oct 30, 2024 | Priyanka Nutakki | * | Mitev | Round 5: Priyanka Nutakki - Mitev, Valentin | ? | |
| Oct 29, 2024 | Mitev | 1–0 | Spence | Round 4: Mitev, Valentin - Spence, Isaac | Queen's Pawn Game: Colle System | |
| Oct 28, 2024 | Safarli | 1–0 | Mitev | Round 3: Safarli, Eltaj - Mitev, Valentin | Pirc Defense: Classical Variation, Quiet System, Chigorin Line | |
| Oct 27, 2024 | Mitev | 1–0 | de Francesco | Round 2: Mitev, Valentin - de Francesco, Klaus | Yusupov-Rubinstein System | |
| Oct 26, 2024 | Hiemer | 0–1 | Mitev | Round 1: Hiemer, Bernd - Mitev, Valentin | Sicilian Defense: Closed | |
| Jul 21, 2024 | Mitev | 1–0 | Ignat | Round 9: Mitev, Valentin - Ignat, Matei-Marius | English Opening: Anglo-Indian Defense, King's Knight Variation | |
| Jul 20, 2024 | Lucaci | 0–1 | Mitev | Round 8: Lucaci, Alin-Marian - Mitev, Valentin | Zukertort Opening | |
| Jul 19, 2024 | Mitev | 0–1 | Manolache | Round 7: Mitev, Valentin - Manolache, Marius | Trompowsky Attack | |
| Jul 18, 2024 | Guretchii | 0–1 | Mitev | Round 6: Guretchii, Kirill - Mitev, Valentin | Queen's Gambit Accepted: Old Variation | |
| Jul 18, 2024 | Mitev | 1–0 | Sprincean | Round 5: Mitev, Valentin - Sprincean, Lukas George | East Indian Defense | |
| Jul 17, 2024 | Schitco | 1–0 | Mitev | Round 4: Schitco, Ivan - Mitev, Valentin | King's Indian Attack | |
| Jul 16, 2024 | Mitev | 1–0 | Nandrean | Round 3: Mitev, Valentin - Nandrean, Dan | Trompowsky Attack | |
| Jul 16, 2024 | Cruceru-Uceanu | 0–1 | Mitev | Round 2: Cruceru-Uceanu, Tudor-Mihai - Mitev, Valentin | Sicilian Defense: Sozin Attack, Main Line | |
| Jul 15, 2024 | Mitev | 1–0 | Cioroianu | Round 1: Mitev, Valentin - Cioroianu, Matei | Trompowsky Attack: Classical Defense, Big Center Variation | |
| Nov 23, 2024 | Stephan | 0–1 | Mitev | Round 9: Stephan, Victor - Mitev, Valentin | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Nov 22, 2024 | Mitev | 1–0 | Gromek | Round 2: Mitev, Valentin - Gromek, Tomasz | Modern Defense: Standard Defense | |
| Nov 22, 2024 | Geujon | 0–1 | Mitev | Round 1: Geujon, Jean-Charles - Mitev, Valentin | Sicilian Defense: Sozin Attack, Main Line | |
| Apr 5, 2022 | Haring | 1–0 | Mitev | European Championship | Sicilian Defense: French Variation, Westerinen Attack | |
| Apr 4, 2022 | Mitev | 1–0 | Ceres | European Individual Chess Championship | Nimzo-Indian Defense: Sämisch Variation | |
| Mar 29, 2022 | Mitev | 0–1 | Georgiev | EICC 22 | Queen's Indian Accelerated | |
| Mar 28, 2022 | Mitev | 1–0 | Zelcic | European Individual Chess Championship | Nimzo-Indian Defense: St. Petersburg Variation, Romanishin–Psakhis Variation | |
| Aug 8, 2021 | Mitev | 0–1 | Georgakopoulos | 30th OPEN Chess International Tournament | King's Indian Defense: Makogonov Variation | |
| Aug 7, 2021 | Kevlishvili | ½–½ | Mitev | 30th OPEN Chess International Tournament | Sicilian Defense: Scheveningen Variation, English Attack, with f3 | |
| Aug 6, 2021 | Mitev | 1–0 | Nikolaev | 30th OPEN Chess International Tournament | Benoni Defense: Benoni-Indian Defense, Kingside Move Order | |
| Aug 5, 2021 | Spyropoulos | 1–0 | Mitev | 30th OPEN Chess International Tournament | Sicilian Defense: Najdorf Variation | |
| Aug 4, 2021 | Mitev | 1–0 | Mashchenko | 30th OPEN Chess International Tournament | English Opening: Anglo-Indian Defense, King's Indian Formation | |
| Aug 3, 2021 | Mastrovasilis | 1–0 | Mitev | 30th OPEN Chess International Tournament | Grünfeld Defense: Stockholm Variation | |
| Aug 2, 2021 | Mitev | 1–0 | Kiousi | 30th OPEN Chess International Tournament | Nimzo-Indian Defense: Normal Variation, Classical Defense | |
| Aug 2, 2021 | Nteligiorgis | * | Mitev | 30th OPEN Chess International Tournament | ? | |
| Aug 1, 2021 | Mitev | * | Paterakis | 30th OPEN Chess International Tournament | ? | |
| Jul 16, 2021 | Miftari | * | Mitev | Paracin Open | A | ? | |
| Jul 15, 2021 | Mitev | * | Perez Bolanos | Paracin Open | A | ? | |
| Jul 14, 2021 | Khachatryan | * | Mitev | Paracin Open | A | ? | |
| Jul 13, 2021 | Sylvan | * | Mitev | Paracin Open | A | ? | |
| Jul 12, 2021 | Radovic | * | Mitev | Paracin Open | A | ? | |
| Jul 10, 2021 | Mitev | * | Marjanovic | Paracin Open | A | ? | |
| Jul 10, 2021 | Aydin | * | Mitev | Paracin Open | A | ? | |
| Jul 9, 2021 | Mitev | 0–1 | Bryakin | Paracin Open | A | Slav Defense: Quiet Variation, Schallopp Defense | |
| Jul 8, 2021 | Mitev | 1–0 | Zarubitski | Serbia Chess Open | Masters | ? | |
| Jul 6, 2021 | Grieve | * | Mitev | Serbia Chess Open | Masters | ? | |
| Jul 5, 2021 | Mitev | * | Zakic | Serbia Chess Open | Masters | ? | |
| Jul 4, 2021 | Risteski | 1–0 | Mitev | Serbia Chess Open | Masters | ? | |
| Jul 3, 2021 | Mitev | 0–1 | Abergel | Serbia Chess Open | Masters | ? | |
| Jul 3, 2021 | Bukal | 0–1 | Mitev | Serbia Chess Open | Masters | ? | |
| Jul 2, 2021 | Mitev | ½–½ | Petkidis | Serbia Chess Open | Masters | ? | |
| — | Mitev | ½–½ | Golubovic | European Individual Chess Championship | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| — | Mitev | 0–1 | Kaasen | European Individual Chess Championship | Nimzo-Indian Defense: Normal Variation, Botvinnik System | |
| — | Mitev | ½–½ | Sousa | European Individual Chess Championship | Nimzo-Indian Defense: Normal Variation, Botvinnik System | |
| — | Prohaszka | ½–½ | Mitev | EICC 22 | Queen's Gambit Accepted: Classical Defense, Steinitz Variation, Development Variation | |
| — | Stella | 1–0 | Mitev | European Individual Chess Championship | Queen's Gambit Accepted: Classical Defense, Steinitz Variation, Development Variation | |
| — | Manca | ½–½ | Mitev | European Individual Chess Championship | Sicilian Defense: Delayed Alapin Variation | |
| — | Novosel | 0–1 | Mitev | European Individual Chess Championship | Queen's Pawn Game: Symmetrical Variation, Pseudo-Catalan | |