| Jan 25, 2026 | Kovac | 0–1 | Ostovic | Grand Prix HŠS 2026 | Bogo-Indian Defense: Retreat Variation | |
| Jan 24, 2026 | Ostovic | 1–0 | Kovac | Grand Prix HŠS 2026 | Sicilian Defense: Alapin Variation, Smith-Morra Declined | |
| Jul 30, 2025 | Kovac | 1–0 | Mandalinic | Pojedinacno prvenstvo Hrvatske za juniorke i juniore 2025 | Queen's Gambit Declined: Neo-Orthodox Variation, Main Line | |
| Jul 28, 2025 | Jakovic | ½–½ | Kovac | Pojedinacno prvenstvo Hrvatske za juniorke i juniore 2025 | Philidor Defense: Lion Variation | |
| Jul 23, 2025 | Franc | 1–0 | Kovac | Pojedinacno prvenstvo Hrvatske za juniorke i juniore 2025 | Sicilian Defense: Alapin Variation, Smith-Morra Declined | |
| Jul 23, 2025 | Kovac | 1–0 | Horcicka | Pojedinacno prvenstvo Hrvatske za juniorke i juniore 2025 | Queen's Pawn Game: Zukertort Variation | |
| Jul 23, 2025 | Kovac | 1–0 | Vucenovic | Pojedinacno prvenstvo Hrvatske za juniorke i juniore 2025 | Queen's Gambit Declined: Orthodox Defense, Fianchetto Variation | |
| Jul 23, 2025 | Vidovic | 0–1 | Kovac | Pojedinacno prvenstvo Hrvatske za juniorke i juniore 2025 | Indian Defense: Anti-Nimzo-Indian | |
| Jul 23, 2025 | Kovac | 1–0 | Kurtovic | Pojedinacno prvenstvo Hrvatske za juniorke i juniore 2025 | Benoni Defense: Knight's Tour Variation | |
| Jul 23, 2025 | Mihaljevic | 0–1 | Kovac | Pojedinacno prvenstvo Hrvatske za juniorke i juniore 2025 | Sicilian Defense: Lasker-Pelikan Variation, Sveshnikov Variation, Chelyabinsk Variation | |
| Jul 23, 2025 | Kovac | 1–0 | Mrkic | Pojedinacno prvenstvo Hrvatske za juniorke i juniore 2025 | King's Indian Defense: Makogonov Variation | |
| Jan 9, 2025 | Zaja | ½–½ | Kovac | Open Bosnjaci 2025 | Nimzo-Indian Defense: Reshevsky Variation | |
| Jan 8, 2025 | Sipic | 0–1 | Kovac | Open Bosnjaci 2025 | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Jan 7, 2025 | Kovac | 1–0 | Berke | Open Bosnjaci 2025 | Catalan Opening: Closed | |
| Jan 6, 2025 | Kovac | 0–1 | Saric | Open Bosnjaci 2025 | Queen's Pawn Game: London System | |
| Jan 6, 2025 | Konjevic | ½–½ | Kovac | Open Bosnjaci 2025 | Ruy Lopez: Closed, Martinez Variation | |
| Jan 5, 2025 | Vujnovic | 0–1 | Kovac | Open Bosnjaci 2025 | Tarrasch Defense: Symmetrical Variation | |
| Jan 4, 2025 | Kovac | ½–½ | Ekmescic | Open Bosnjaci 2025 | Slav Defense: Quiet Variation, Schallopp Defense | |
| Jan 4, 2025 | Valkovic | 0–1 | Kovac | Open Bosnjaci 2025 | Queen's Pawn Game: London System | |
| Jan 3, 2025 | Kovac | 1–0 | Mikic | Open Bosnjaci 2025 | Queen's Indian Defense: Classical Variation, Traditional Variation, Nimzowitsch Line | |
| Jul 28, 2024 | Kovac | ½–½ | Martic | Round 9: Kovac, Petar - Martic, Filip | King's Indian Attack: Symmetrical Defense | |
| Jul 27, 2024 | Boric | ½–½ | Kovac | Round 8: Boric, Jakov - Kovac, Petar | Queen's Gambit Declined: Modern Variation | |
| Jul 26, 2024 | Kovac | 1–0 | Vucenovic | Round 7: Kovac, Petar - Vucenovic, Damian | Catalan Opening: Closed | |
| Jul 25, 2024 | Friscic | 0–1 | Kovac | Round 6: Friscic, Matej - Kovac, Petar | Nimzo-Indian Defense: Classical Variation, Milner-Barry Variation | |
| Jul 24, 2024 | Car | 0–1 | Kovac | Round 4: Car, Filip - Kovac, Petar | Catalan Opening: Open Defense | |
| Jul 23, 2024 | Poljak | 0–1 | Kovac | Round 2: Poljak, Stipe - Kovac, Petar | Nimzo-Indian Defense: Sämisch Variation | |
| Jul 23, 2024 | Kovac | ½–½ | Kristic | Round 3: Kovac, Petar - Kristic, Patrik | Queen's Indian Defense: Fianchetto Variation, Check Variation, Intermezzo Line | |
| Jul 23, 2024 | Kovac | 1–0 | Kovacek | Round 1: Kovac, Petar - Kovacek, Pavlo | Nimzo-Indian Defense: Normal Variation | |
| Jul 22, 2024 | Kovac | ½–½ | Novosel | Round 5: Kovac, Petar - Novosel, Lovro | Nimzo-Indian Defense: Normal Variation, Botvinnik System | |
| Jul 19, 2024 | Tudor | 1–0 | Kovac | Round 7: Tudor, Henry Edward - Kovac, Petar | Nimzo-Indian Defense: Classical Variation | |
| Jul 15, 2024 | Kovac | 0–1 | Harsh Suresh | Round 3: Kovac, Petar - Harsh Suresh | Queen's Gambit Declined: Barmen Variation | |
| Jul 15, 2024 | Nie | 0–1 | Kovac | Round 2: Nie, Xinyang - Kovac, Petar | Queen's Gambit Declined: Vienna Variation, Quiet Variation | |
| Jul 15, 2024 | Alexiadis | ½–½ | Kovac | Round 4: Alexiadis, Hristos - Kovac, Petar | King's Indian Attack | |
| Apr 6, 2024 | Kovac | ½–½ | Gal | Round 7: Kovac, Petar - Gal, Andrej | Nimzo-Indian Defense: St. Petersburg Variation, Romanishin–Psakhis Variation | |
| Apr 5, 2024 | Kovac | ½–½ | Sundac | Round 6: Kovac, Petar - Sundac, Ivano | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Apr 4, 2024 | Kovac | 1–0 | Denic | Round 4: Kovac, Petar - Denic, Marin | Bogo-Indian Defense: Retreat Variation | |
| Apr 3, 2024 | Novosel | 0–1 | Kovac | Round 3: Novosel, Lovro - Kovac, Petar | Queen's Pawn Game: London System | |
| Apr 2, 2024 | Kovac | ½–½ | Vucenovic | Round 2: Kovac, Petar - Vucenovic, Damian | Catalan Opening: Closed | |
| Apr 2, 2024 | Troselj | 0–1 | Kovac | Round 1: Troselj, Ivan - Kovac, Petar | Sicilian Defense: Old Sicilian | |
| Dec 16, 2024 | Kovac | 1–0 | Zadro | Round 2.1: Kovac, Petar - Zadro, Matej | Queen's Pawn Game: Krause Variation | |
| Dec 16, 2024 | Kovac | 1–0 | Khripachenko | Round 3.1: Kovac, Petar - Khripachenko, Alexander | Queen's Gambit Declined: Harrwitz Attack, Fianchetto Defense | |
| Dec 16, 2024 | Kovac | 0–1 | Roebers | Round 4.1: Kovac, Petar - Roebers, Eline | Dutch Defense: Hopton Attack | |
| Dec 16, 2024 | Kovac | ½–½ | Szalay-Ocsak | Round 5.1: Kovac, Petar - Szalay-Ocsak, Bank | Queen's Gambit Declined | |
| Dec 16, 2024 | Kovac | 1–0 | Javornik | Round 6.1: Kovac, Petar - Javornik, Nik | Sicilian Defense: Alapin Variation | |
| Dec 16, 2024 | Kovac | 1–0 | Nedelcu | Round 7.2: Kovac, Petar - Nedelcu, Teodor-Cosmin | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Dec 16, 2024 | Kovac | 1–0 | Rybka | Round 8.2: Kovac, Petar - Rybka, Simon | Nimzo-Indian Defense: Sämisch Variation, Capablanca Variation | |
| Dec 16, 2024 | Kovac | 0–1 | Pranav | Round 9.1: Kovac, Petar - Pranav, V | King's Indian Attack: Yugoslav Variation | |
| Dec 16, 2024 | Kovac | 1–0 | Olenik Campa | Round 10.2: Kovac, Petar - Olenik Campa, Rudi | Catalan Opening: Closed | |
| Dec 16, 2024 | Kovac | 1–0 | Trushko | Round 11.2: Kovac, Petar - Trushko, Andrii | Caro-Kann Defense: Exchange Variation | |
| Dec 16, 2024 | Zadro | 0–1 | Kovac | Round 2.2: Zadro, Matej - Kovac, Petar | Nimzowitsch Defense: Williams Variation | |
| Dec 16, 2024 | Khripachenko | 1–0 | Kovac | Round 3.2: Khripachenko, Alexander - Kovac, Petar | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Dec 16, 2024 | Roebers | 1–0 | Kovac | Round 4.2: Roebers, Eline - Kovac, Petar | Sicilian Defense: Lasker-Pelikan Variation, Sveshnikov Variation | |
| Dec 16, 2024 | Szalay-Ocsak | ½–½ | Kovac | Round 5.2: Szalay-Ocsak, Bank - Kovac, Petar | Nimzo-Indian Defense: Classical Variation | |
| Dec 16, 2024 | Javornik | 0–1 | Kovac | Round 6.2: Javornik, Nik - Kovac, Petar | King's Indian Attack | |
| Dec 16, 2024 | Nedelcu | ½–½ | Kovac | Round 7.1: Nedelcu, Teodor-Cosmin - Kovac, Petar | Nimzo-Indian Defense: Normal Variation | |
| Dec 16, 2024 | Rybka | 0–1 | Kovac | Round 8.1: Rybka, Simon - Kovac, Petar | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Dec 16, 2024 | Pranav | 0–1 | Kovac | Round 9.2: Pranav, V - Kovac, Petar | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Dec 16, 2024 | Olenik Campa | 1–0 | Kovac | Round 10.1: Olenik Campa, Rudi - Kovac, Petar | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Dec 16, 2024 | Trushko | ½–½ | Kovac | Round 11.1: Trushko, Andrii - Kovac, Petar | Trompowsky Attack | |
| Dec 15, 2024 | Kovac | 1–0 | Kenbeilov | Round 7: Kovac, Petar - Kenbeilov, Timur | Queen's Gambit Declined: Harrwitz Attack, Two Knights Defense | |
| Dec 15, 2024 | Kovac | 1–0 | Franc | Round 9: Kovac, Petar - Franc, Borna | Queen's Gambit Declined: Harrwitz Attack, Main Line | |
| Dec 15, 2024 | Kovac | 1–0 | Pranav | Round 11: Kovac, Petar - Pranav, V | Torre Attack: Classical Defense | |
| Dec 15, 2024 | Shtavica | 0–1 | Kovac | Round 6: Shtavica, Alaudin - Kovac, Petar | Nimzowitsch Defense: Kennedy Variation, Linksspringer Variation | |
| Dec 15, 2024 | Khripachenko | 1–0 | Kovac | Round 8: Khripachenko, Alexander - Kovac, Petar | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Dec 15, 2024 | Pyrih | ½–½ | Kovac | Round 10: Pyrih, Roman - Kovac, Petar | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Dec 14, 2024 | Kovac | 0–1 | Djurovic | Round 3: Kovac, Petar - Djurovic, Peko | Queen's Gambit Declined: Tartakower Defense | |
| Dec 14, 2024 | Kovac | 0–1 | Roebers | Round 5: Kovac, Petar - Roebers, Eline | King's Indian Defense: Makogonov Variation | |
| Dec 14, 2024 | Pauljecovic | 0–1 | Kovac | Round 2: Pauljecovic, Luka - Kovac, Petar | Nimzo-Indian Defense: Spielmann Variation, Romanovsky Gambit | |
| Dec 14, 2024 | Szalay-Ocsak | 0–1 | Kovac | Round 4: Szalay-Ocsak, Bank - Kovac, Petar | Queen's Pawn Game: London System | |
| Dec 16, 2023 | Kovac | 0–1 | Stefansson | European Blitz Championship | Queen's Indian Defense: Fianchetto Variation, Nimzowitsch Variation, Quiet Line | |
| Dec 16, 2023 | Kovac | 0–1 | Petrov | European Blitz Championship | Zukertort Opening | |
| Dec 16, 2023 | Kovac | 0–1 | Schoppen | European Blitz Championship | King's Indian Defense: Makogonov Variation | |
| Sep 30, 2023 | Kovac | 1–0 | Prisacaru | 22nd European Youth Blitz Championship 2023 - O-18 | Slav Defense: Quiet Variation | |
| Sep 30, 2023 | Kovac | 1–0 | Andjelic | 22nd European Youth Blitz Championship 2023 - O-18 | Sicilian Defense: Alapin Variation, Barmen Defense | |
| Sep 30, 2023 | Kovac | 1–0 | Juhasz | 22nd European Youth Blitz Championship 2023 - O-18 | Sicilian Defense: Alapin Variation, Barmen Defense | |
| Sep 30, 2023 | Kovac | 0–1 | Pasztor | 22nd European Youth Blitz Championship 2023 - O-18 | Slav Defense: Quiet Variation | |
| Sep 30, 2023 | Kovac | 1–0 | Lozynskyi | 22nd European Youth Blitz Championship 2023 - O-18 | Sicilian Defense: Alapin Variation, Smith-Morra Declined | |
| Sep 30, 2023 | Baziuk | 1–0 | Kovac | 22nd European Youth Blitz Championship 2023 - O-18 | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Sep 30, 2023 | Bochnicka | 0–1 | Kovac | 22nd European Youth Blitz Championship 2023 - O-18 | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Sep 30, 2023 | Morgunov | 1–0 | Kovac | 22nd European Youth Blitz Championship 2023 - O-18 | Sicilian Defense: Lasker-Pelikan Variation | |
| Aug 13, 2023 | Kovac | ½–½ | Konjevic | 12. Split Open 05.-13.08.2023. | Ruy Lopez: Morphy Defense, Modern Steinitz Defense | |
| Aug 8, 2023 | Kovac | 0–1 | Zelcic | 12. Split Open 05.-13.08.2023. | Catalan Opening: Open Defense | |
| Aug 6, 2023 | Kovac | 0–1 | Martinovic | 12. Split Open 05.-13.08.2023. | King's Indian Defense: Kramer Variation | |
| — | Kovac | 1–0 | Hamzic | International tournament Open Gradište 2025 | Slav Defense: Quiet Variation, Pin Defense | |
| — | Kovac | 1–0 | Babler | International tournament Open Gradište 2025 | Queen's Gambit Declined: Orthodox Defense, Fianchetto Variation | |
| — | Kovac | 1–0 | Damjanovic | International tournament Open Gradište 2025 | King's Indian Defense: Makogonov Variation | |
| — | Kovac | ½–½ | Pirvulescu | International tournament Open Gradište 2025 | Queen's Gambit Accepted: Classical Defense, Main Line | |
| — | Golubicic | 0–1 | Kovac | International tournament Open Gradište 2025 | Richter-Veresov Attack | |
| — | Fercec | 1–0 | Kovac | International tournament Open Gradište 2025 | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| — | Bobanac | 0–1 | Kovac | International tournament Open Gradište 2025 | English Opening: Anglo-Indian Defense, Hedgehog System | |
| — | Culum | ½–½ | Kovac | International tournament Open Gradište 2025 | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| — | Zelcic | * | Kovac | International tournament Open Gradište 2025 | ? | |