| May 16, 2026 | Kovacevic | 1–0 | Kovacevic | Round 5: Kovacevic, Aleksandar - Kovacevic, Blazimir | French Defense: Rubinstein Variation, Fort Knox Variation | |
| May 15, 2026 | Kovacevic | ½–½ | Djuric | Round 4: Kovacevic, Blazimir - Djuric, Leon | Queen's Gambit Declined: Orthodox Defense, Henneberger Variation | |
| May 14, 2026 | Brkic | ½–½ | Kovacevic | Round 3: Brkic, Ante - Kovacevic, Blazimir | Alekhine Defense: Four Pawns Attack, Fianchetto Variation | |
| May 14, 2026 | Kovacevic | 0–1 | Sundac | Round 2: Kovacevic, Blazimir - Sundac, Ivano | King's Indian Attack: Pachman System | |
| May 13, 2026 | Bubalovic | 1–0 | Kovacevic | Round 1: Bubalovic, Davorin - Kovacevic, Blazimir | Alekhine Defense: Exchange Variation | |
| May 10, 2026 | Kovacevic | ½–½ | Saric | Round 6: Kovacevic, Blazimir - Saric, Ivan | Zukertort Opening: Quiet System | |
| Jan 25, 2026 | Kozul | ½–½ | Kovacevic | Grand Prix HŠS 2026 | Catalan Opening | |
| Jan 24, 2026 | Kovacevic | ½–½ | Kozul | Grand Prix HŠS 2026 | Queen's Pawn Game: Barry Attack | |
| Jan 23, 2026 | Kozul | ½–½ | Kovacevic | Grand Prix HŠS 2026 | Bogo-Indian Defense: Grünfeld Variation | |
| Jan 23, 2026 | Kovacevic | 0–1 | Kozul | Grand Prix HŠS 2026 | Queen's Pawn Game: Barry Attack | |
| Jan 9, 2026 | Culum | ½–½ | Kovacevic | Open Bosnjaci 2026. | Scandinavian Defense: Classical Variation | |
| Jan 8, 2026 | Kovacevic | ½–½ | Zaja | Open Bosnjaci 2026. | Yusupov-Rubinstein System | |
| Jan 7, 2026 | Gal | 0–1 | Kovacevic | Open Bosnjaci 2026. | Bogo-Indian Defense: Grünfeld Variation | |
| Jan 6, 2026 | Kovacevic | 1–0 | Ghersinich | Open Bosnjaci 2026. | English Opening: Symmetrical Variation, Ultra-Symmetrical Variation | |
| Jan 6, 2026 | Vucenovic | 0–1 | Kovacevic | Open Bosnjaci 2026. | Alekhine Defense: Four Pawns Attack, Fianchetto Variation | |
| Jan 6, 2026 | Kovacevic | 1–0 | Drmic | Open Bosnjaci 2026. | Indian Defense: Wade-Tartakower Defense | |
| Jan 4, 2026 | Miljkovic | 0–1 | Kovacevic | Open Bosnjaci 2026. | Indian Defense: Accelerated London System | |
| Jan 4, 2026 | Kovacevic | 0–1 | Konjevic | Open Bosnjaci 2026. | Queen's Pawn Game: Symmetrical Variation, Pseudo-Catalan | |
| Jan 3, 2026 | Obrovac | 0–1 | Kovacevic | Open Bosnjaci 2026. | Dutch Defense: Classical Variation | |
| Sep 14, 2025 | Kovacevic | 1–0 | Siva Kumar | Round 9: Kovacevic, Blazimir - Siva Kumar, Nirish Kumar | Dutch Defense | |
| Sep 13, 2025 | Di Benedetto | 1–0 | Kovacevic | Round 8: Di Benedetto, Edoardo - Kovacevic, Blazimir | Slav Defense: Quiet Variation | |
| Sep 12, 2025 | Kovacevic | ½–½ | Horvath | Round 7: Kovacevic, Blazimir - Horvath, Csaba | Trompowsky Attack | |
| Sep 11, 2025 | Kukushkin | ½–½ | Kovacevic | Round 6: Kukushkin, Ivan - Kovacevic, Blazimir | Indian Defense: London System | |
| Sep 10, 2025 | Kovacevic | ½–½ | Silva | Round 5: Kovacevic, Blazimir - Silva, Mariana | King's Indian Attack | |
| Sep 10, 2025 | Schacher | 0–1 | Kovacevic | Round 4: Schacher, Gerd - Kovacevic, Blazimir | English Opening: Agincourt Defense, Neo-Catalan Declined | |
| Sep 9, 2025 | Kovacevic | 0–1 | Poltorak | Round 3: Kovacevic, Blazimir - Poltorak, Sebastian | Trompowsky Attack | |
| Sep 8, 2025 | Pintor | 0–1 | Kovacevic | Round 2: Pintor, Simao - Kovacevic, Blazimir | French Defense: Exchange Variation | |
| Sep 7, 2025 | Kovacevic | 1–0 | Fiorido | Round 1: Kovacevic, Blazimir - Fiorido, Giuseppe | Torre Attack: Classical Defense | |
| Jul 5, 2025 | Mammadov | 1–0 | Kovacevic | Round 9: Mammadov, Zaur - Kovacevic, Blazimir | Alekhine Defense: Exchange Variation | |
| Jul 4, 2025 | Kovacevic | ½–½ | Simsek | Round 8: Kovacevic, Blazimir - Simsek, Ayaz | English Opening: Caro-Kann Defensive System | |
| Jul 3, 2025 | Polok | 0–1 | Kovacevic | Round 7: Polok, Kacper - Kovacevic, Blazimir | French Defense: Paulsen Variation | |
| Jul 1, 2025 | Milovic | 1–0 | Kovacevic | Round 5: Milovic, Jovan - Kovacevic, Blazimir | Horwitz Defense | |
| Jun 30, 2025 | Zelic | 0–1 | Kovacevic | Round 3: Zelic, Mladen - Kovacevic, Blazimir | Alekhine Defense: Scandinavian Variation | |
| Jun 29, 2025 | Kovacevic | 1–0 | Milovic | Round 2: Kovacevic, Blazimir - Milovic, Aleksandra | English Opening: Anglo-Indian Defense, King's Knight Variation | |
| Jun 29, 2025 | Ilijas | 0–1 | Kovacevic | Round 1: Ilijas, Dejan - Kovacevic, Blazimir | Alekhine Defense: Maróczy Variation | |
| Jun 28, 2025 | Kovacevic | ½–½ | Culum | Round 4: Kovacevic, Blazimir - Culum, Sanjin | Zukertort Opening: Nimzo-Larsen Variation | |
| Mar 23, 2025 | Meier | 0–1 | Kovacevic | schachbundesliga20242025 | King's Indian Attack | |
| Mar 22, 2025 | Kovacevic | 0–1 | Neugebauer | schachbundesliga20242025 | Torre Attack: Classical Defense, Petrosian Gambit | |
| Jan 9, 2025 | Kovacevic | ½–½ | Djuric | Open Bosnjaci 2025 | English Opening: Anglo-Indian Defense, King's Knight Variation | |
| Jan 8, 2025 | Franc | ½–½ | Kovacevic | Open Bosnjaci 2025 | Caro-Kann Defense: Exchange Variation | |
| Jan 7, 2025 | Kovacevic | ½–½ | Sipic | Open Bosnjaci 2025 | Zukertort Opening: Quiet System | |
| Jan 6, 2025 | Kovacevic | 1–0 | Vucenovic | Open Bosnjaci 2025 | English Opening: Agincourt Defense, Neo-Catalan Declined | |
| Jan 6, 2025 | Pap | 1–0 | Kovacevic | Open Bosnjaci 2025 | Scandinavian Defense: Gubinsky-Melts Defense | |
| Jan 5, 2025 | Saric | ½–½ | Kovacevic | Open Bosnjaci 2025 | Zukertort Opening | |
| Jan 4, 2025 | Kovacevic | 1–0 | Berke | Open Bosnjaci 2025 | Zukertort Opening: Sicilian Invitation | |
| Jan 4, 2025 | Petricevic | 0–1 | Kovacevic | Open Bosnjaci 2025 | Horwitz Defense | |
| Jan 3, 2025 | Kovacevic | 1–0 | Neferanovic | Open Bosnjaci 2025 | English Opening: Anglo-Indian Defense, Queen's Knight Variation | |
| Oct 13, 2024 | Kovacevic | 1–0 | Petrusic | I.A Hrvatska šahovska liga | Zukertort Opening: Kingside Fianchetto | |
| Oct 11, 2024 | Kovacevic | ½–½ | Rogulj | I.A Hrvatska šahovska liga | English Opening: Symmetrical Variation, Four Knights Variation | |
| Oct 10, 2024 | Rubil | ½–½ | Kovacevic | I.A Hrvatska šahovska liga | French Defense: Advance Variation, Euwe Variation | |
| Oct 9, 2024 | Kovacevic | 1–0 | Kanizaj | I.A Hrvatska šahovska liga | Zukertort Opening | |
| May 11, 2024 | Plenca | 0–1 | Kovacevic | Round 5: Plenca, Julijan - Kovacevic, Blazimir | Alekhine Defense: Four Pawns Attack, Trifunovic Variation | |
| May 8, 2024 | Golubicic | 0–1 | Kovacevic | Round 1: Golubicic, Luka - Kovacevic, Blazimir | Sicilian Defense: O'Kelly Variation, Réti System | |
| Apr 27, 2024 | Koellner | 0–1 | Kovacevic | Bundesliga 2023/2024 | Horwitz Defense | |
| Sep 15, 2024 | Carnicelli | 0–1 | Kovacevic | Round 9: Carnicelli, Valerio - Kovacevic, Blazimir | Modern Defense: Standard Line | |
| Sep 14, 2024 | Kovacevic | 0–1 | Rotstein | Round 8: Kovacevic, Blazimir - Rotstein, Arkadij | Zukertort Opening: Kingside Fianchetto | |
| Sep 13, 2024 | Kalosha | ½–½ | Kovacevic | Round 7: Kalosha, Zhiulien Oleksii - Kovacevic, Blazimir | Caro-Kann Defense: Gurgenidze System | |
| Sep 12, 2024 | Kovacevic | ½–½ | Beliman | Round 6: Kovacevic, Blazimir - Beliman, Alexandro | Zukertort Opening: Sicilian Invitation | |
| Sep 11, 2024 | Alsina Leal | 1–0 | Kovacevic | Round 4: Alsina Leal, Daniel - Kovacevic, Blazimir | Alekhine Defense: Four Pawns Attack, Trifunovic Variation | |
| Sep 11, 2024 | Kavutskiy | ½–½ | Kovacevic | Round 5: Kavutskiy, Konstantin - Kovacevic, Blazimir | Semi-Slav Defense: Normal Variation | |
| Sep 10, 2024 | Kovacevic | 1–0 | Van der Werf | Round 3: Kovacevic, Blazimir - Van der Werf, Mark | English Opening: King's English Variation, Kramnik-Shirov Counterattack | |
| Sep 9, 2024 | Kovacevic | 1–0 | Sereinig | Round 2: Kovacevic, Blazimir - Sereinig, Eduard | Queen's Pawn Game: Modern Defense | |
| Sep 8, 2024 | Davide | 0–1 | Kovacevic | Round 1: Davide, Roberto - Kovacevic, Blazimir | Zukertort Opening: Sicilian Invitation | |
| Sep 17, 2023 | Kovacevic | ½–½ | Lu | Round 9: Kovacevic, Blazimir - Lu, Miaoyi | English Opening: Agincourt Defense, Wimpy System | |
| Sep 16, 2023 | Damia | ½–½ | Kovacevic | Round 8: Damia, Angelo - Kovacevic, Blazimir | French Defense: Schlechter Variation | |
| Sep 15, 2023 | Kovacevic | 1–0 | Xu | Round 7: Kovacevic, Blazimir - Xu, Yuanyuan | King's Indian Attack: Double Fianchetto | |
| Sep 14, 2023 | Loiacono Antonio | 1–0 | Kovacevic | Round 6: Loiacono Antonio - Kovacevic, Blazimir | Caro-Kann Defense: Advance Variation | |
| Sep 13, 2023 | Vasquez Schroeder | ½–½ | Kovacevic | Round 5: Vasquez Schroeder, Rodrigo - Kovacevic, Blazimir | Queen's Indian Defense: Kasparov-Petrosian Variation, Main Line | |
| Sep 13, 2023 | Kovacevic | 1–0 | Djuric | Round 4: Kovacevic, Blazimir - Djuric, Stefan | East Indian Defense | |
| Sep 12, 2023 | Kovacevic | ½–½ | Kaczur | Round 3: Kovacevic, Blazimir - Kaczur, Florian | Indian Defense: Pseudo-Benko | |
| Sep 11, 2023 | Magini | 0–1 | Kovacevic | Round 1: Magini, Luca - Kovacevic, Blazimir | French Defense: Tarrasch Variation | |
| Sep 11, 2023 | Kovacevic | 1–0 | Simoli | Round 2: Kovacevic, Blazimir - Simoli, Sergio | Queen's Pawn Game | |
| Aug 23, 2023 | Kovacevic | ½–½ | Gonella | Round 9: Kovacevic, Blazimir - Gonella, Daniele | East Indian Defense | |
| Aug 22, 2023 | Ma | 1–0 | Kovacevic | Round 8: Ma, Lin - Kovacevic, Blazimir | Queen's Indian Accelerated | |
| Aug 21, 2023 | Kovacevic | 1–0 | Casadio | Round 7: Kovacevic, Blazimir - Casadio, Niccolo` | King's Indian Defense: Orthodox Variation, Aronin-Taimanov Defense | |
| Aug 20, 2023 | Andreev | ½–½ | Kovacevic | Round 6: Andreev, Konstantin - Kovacevic, Blazimir | French Defense: Steinitz Variation, Boleslavsky Variation | |
| Aug 20, 2023 | Kovacevic | ½–½ | Sun Chao | Round 5: Kovacevic, Blazimir - Sun Chao | Slav Defense: Modern Line | |
| Aug 19, 2023 | Saric Ante | 1–0 | Kovacevic | Round 4: Saric Ante - Kovacevic, Blazimir | Queen's Indian Defense: Kasparov-Petrosian Variation, Main Line | |
| Aug 18, 2023 | Kovacevic | 1–0 | Musso Alessio | Round 3: Kovacevic, Blazimir - Musso Alessio | Zukertort Opening | |
| Aug 18, 2023 | Kovacevic | 1–0 | Li | Round 2: Kovacevic, Blazimir - Li, Guohao | English Opening: King's English Variation, Kramnik-Shirov Counterattack | |
| Aug 17, 2023 | Montorsi Matteo | ½–½ | Kovacevic | Round 1: Montorsi Matteo - Kovacevic, Blazimir | Scandinavian Defense: Main Line, Mieses Variation | |
| May 22, 2022 | Kovacevic | * | Tomas | Croatian Club Cup Final | King's Indian Attack | |
| May 21, 2022 | Cvitan | ½–½ | Kovacevic | Croatian Club Cup Final | French Defense: Exchange Variation | |
| May 20, 2022 | Kovacevic | ½–½ | Vujakovic | Croatian Club Cup Final | English Opening: Anglo-Indian Defense, King's Indian Formation | |
| May 19, 2022 | Palac | ½–½ | Kovacevic | Croatian Club Cup Final | Alekhine Defense: Modern Variation, Larsen Variation | |
| May 18, 2022 | Miletic | 0–1 | Kovacevic | Croatian Club Cup Final | Hungarian Opening | |
| Dec 10, 2021 | Kovacevic | ½–½ | Jovanovic | Croatian Championship | English Opening: Symmetrical Variation, Ultra-Symmetrical Variation | |
| Dec 9, 2021 | Kozul | 1–0 | Kovacevic | Croatian Championship | Catalan Opening | |
| Dec 8, 2021 | Kovacevic | ½–½ | Livaic | Croatian Championship | Slav Defense | |
| Dec 7, 2021 | Doric | ½–½ | Kovacevic | Croatian Championship | English Defense | |
| Dec 6, 2021 | Kovacevic | 0–1 | Srbis | Croatian Championship | Queen's Pawn Game: Accelerated London System | |
| Dec 5, 2021 | Fercec | ½–½ | Kovacevic | Croatian Championship | Scandinavian Defense: Main Line, Mieses Variation | |
| Dec 4, 2021 | Kovacevic | 0–1 | Bosiocic | Croatian Championship | King's Indian Attack | |
| Dec 3, 2021 | Saric | 1–0 | Kovacevic | Croatian Championship | Queen's Indian Defense: Fianchetto Variation | |
| Dec 2, 2021 | Kovacevic | 0–1 | Saric | Croatian Championship | Queen's Pawn Game: London System | |
| Dec 1, 2021 | Martinovic | ½–½ | Kovacevic | Croatian Championship | Rubinstein Opening | |
| Nov 30, 2021 | Kovacevic | ½–½ | Zelcic | Croatian Championship | Queen's Pawn Game: London System | |
| May 12, 2021 | Kovacevic | 0–1 | Pechac | Mitropa Online Cup | Open | English Opening: King's English Variation, Four Knights Variation, Fianchetto Line, with Bc5 | |
| May 11, 2021 | Mihok | 1–0 | Kovacevic | Mitropa Online Cup | Open | Scandinavian Defense: Valencian Variation, Main Line | |
| May 10, 2021 | Kovacevic | 0–1 | Blohberger | Mitropa Online Cup | Open | Tarrasch Defense: Dubov Tarrasch | |