| May 8, 2025 | Putnik | 1–0 | Kovacevic | Round 9: Putnik, Perica - Kovacevic, Nikola | Scandinavian Defense: Modern Variation | |
| May 7, 2025 | Kovacevic | 1–0 | Djendjinovic | Round 8: Kovacevic, Nikola - Djendjinovic, Ines | Neo-Grünfeld Defense: Classical Variation | |
| May 6, 2025 | Kovacevic | 0–1 | Mitrovic | Round 7: Kovacevic, Nikola - Mitrovic, Miroslav | French Defense: King's Indian Attack | |
| May 5, 2025 | Damjanovic | 0–1 | Kovacevic | Round 6: Damjanovic, Radovan - Kovacevic, Nikola | ? | |
| May 4, 2025 | Andjic | 1–0 | Kovacevic | Round 5: Andjic, Vladan - Kovacevic, Nikola | Scandinavian Defense: Portuguese Gambit, Wuss Variation | |
| May 3, 2025 | Kovacevic | * | Obadovic | Round 3: Kovacevic, Nikola - Obadovic, Zeljko | Queen's Pawn Game: Chigorin Variation | |
| May 2, 2025 | Kovacevic | * | Perisic | Round 2: Kovacevic, Nikola - Perisic, Nikola | Neo-Grünfeld Defense: Ultra-Delayed Exchange Variation | |
| May 1, 2025 | Knezevic | 0–1 | Kovacevic | Round 1: Knezevic, Rajko - Kovacevic, Nikola | Scandinavian Defense | |
| Feb 5, 2025 | Kovacevic | 0–1 | Petrovic | 77. Pojedinacno seniorsko prvenstvo Crne Gore | Caro-Kann Defense: Advance Variation, Short Variation | |
| Feb 4, 2025 | Nenezic | 1–0 | Kovacevic | 77. Pojedinacno seniorsko prvenstvo Crne Gore | Scandinavian Defense: Classical Variation | |
| Feb 3, 2025 | Kovacevic | 1–0 | Vujadinovic | 77. Pojedinacno seniorsko prvenstvo Crne Gore | Caro-Kann Defense: Advance Variation | |
| Feb 2, 2025 | Lakusic | 0–1 | Kovacevic | 77. Pojedinacno seniorsko prvenstvo Crne Gore | English Opening: Anglo-Indian Defense, King's Knight Variation | |
| Feb 1, 2025 | Kovacevic | ½–½ | Djukic | 77. Pojedinacno seniorsko prvenstvo Crne Gore | Sicilian Defense: Alapin Variation | |
| Feb 1, 2025 | Milovic | 1–0 | Kovacevic | 77. Pojedinacno seniorsko prvenstvo Crne Gore | Scandinavian Defense: Main Line, Mieses Variation | |
| Jan 31, 2025 | Kovacevic | 0–1 | Pecurica | 77. Pojedinacno seniorsko prvenstvo Crne Gore | French Defense: King's Indian Attack | |
| Feb 9, 2025 | Shevtsov | * | Kovacevic | Round 11: Shevtsov, Egor - Kovacevic, Nikola | ? | |
| Feb 8, 2025 | Milovic | * | Kovacevic | Round 10: Milovic, Sofija - Kovacevic, Nikola | ? | |
| Feb 7, 2025 | Kovacevic | * | Kandic | Round 9: Kovacevic, Nikola - Kandic, Milojko | ? | |
| Feb 6, 2025 | Kalac | * | Kovacevic | Round 8: Kalac, Hajran - Kovacevic, Nikola | ? | |
| Jun 26, 2021 | Grgurevic | * | Kovacevic | 11th Mediterranean Championship | ? | |
| Jun 24, 2021 | Djukic | * | Kovacevic | 11th Mediterranean Championship | ? | |
| Jun 22, 2021 | Kovacevic | * | Pobor | 11th Mediterranean Championship | ? | |
| Jun 22, 2021 | Bedrosian | * | Kovacevic | 11th Mediterranean Championship | ? | |
| Jun 21, 2021 | Kovacevic | * | Ipek | 11th Mediterranean Championship | ? | |
| Jun 20, 2021 | Kovacevic | * | Smajic | 11th Mediterranean Championship | ? | |
| Jun 20, 2021 | Khallouf | * | Kovacevic | 11th Mediterranean Championship | ? | |
| Jun 19, 2021 | Pasko | * | Kovacevic | 11th Mediterranean Championship | ? | |
