| Jun 28, 2025 | Vincenti | ½–½ | Lekic | Round 9: Vincenti, Leonardo - Lekic, Dusan | Sicilian Defense: Moscow Variation, Main Line | |
| Jun 27, 2025 | Lekic | 1–0 | Perossa | Round 8: Lekic, Dusan - Perossa, Nicolas | Catalan Opening: Open Defense, Classical Line | |
| Jun 24, 2025 | Lekic | 0–1 | Priyanka Nutakki | Round 3: Lekic, Dusan - Priyanka Nutakki | Queen's Gambit Declined | |
| Jun 23, 2025 | Beliman | ½–½ | Lekic | Round 2: Beliman, Alexandro - Lekic, Dusan | Catalan Opening: Closed | |
| Jun 22, 2025 | Lekic | ½–½ | Shivika Rohilla | Round 1: Lekic, Dusan - Shivika Rohilla | Queen's Gambit Accepted: Central Variation, Greco Variation | |
| May 8, 2025 | Lekic | 0–1 | Pastar | Round 9: Lekic, Dusan - Pastar, Slaven | Queen's Indian Defense: Opocensky Variation | |
| May 7, 2025 | Alivodic | 0–1 | Lekic | Round 8: Alivodic, Dario - Lekic, Dusan | Queen's Gambit Declined: Tartakower Defense | |
| May 7, 2025 | Djukic | 1–0 | Lekic | Round 7: Djukic, Nikola - Lekic, Dusan | Sicilian Defense: Sozin Attack, Main Line | |
| May 5, 2025 | Lekic | ½–½ | Draganic | Round 6: Lekic, Dusan - Draganic, Veljko | Slav Defense: Exchange Variation | |
| May 4, 2025 | Nikcevic | 1–0 | Lekic | Round 5: Nikcevic, Nebojsa - Lekic, Dusan | Zukertort Opening: Sicilian Invitation | |
| May 3, 2025 | Lekic | ½–½ | Iljin | Round 4: Lekic, Dusan - Iljin, Artem | Catalan Opening: Open Defense | |
| May 3, 2025 | Petrov | ½–½ | Lekic | Round 3: Petrov, Nikita - Lekic, Dusan | Semi-Slav Defense | |
| May 2, 2025 | Lekic | 1–0 | Vukcevic | Round 2: Lekic, Dusan - Vukcevic, Nemanja | Benoni Defense: Fianchetto Variation | |
| Apr 30, 2025 | Skvortsov | ½–½ | Lekic | Round 1: Skvortsov, Andrei - Lekic, Dusan | Sicilian Defense: Smith-Morra Gambit | |
| Jan 3, 2025 | Zoncu | ½–½ | Lekic | Round 9: Zoncu, Roberto Alessio - Lekic, Dusan | Sicilian Defense: Alapin Variation, Smith-Morra Declined | |
| Jan 2, 2025 | Lekic | * | Dolas | Round 8: Lekic, Dusan - Dolas, Aarush | ? | |
| Jan 1, 2025 | Mizzi | * | Lekic | Round 7: Mizzi, Jack - Lekic, Dusan | ? | |
| Aug 13, 2024 | Lekic | ½–½ | Godena | Round 7: Lekic, Dusan - Godena, Michele | Semi-Slav Defense: Accelerated Meran Variation | |
| Aug 10, 2024 | Gretarsson | ½–½ | Lekic | Round 3: Gretarsson, Helgi Ass - Lekic, Dusan | Semi-Slav Defense: Chigorin Defense | |
| May 15, 2024 | Lekic | 0–1 | Zielinski | European Senior Team Chess Championship 2024 - Section 50 + | Benoni Defense: Taimanov Variation | |
| May 14, 2024 | Kantorik | ½–½ | Lekic | European Senior Team Chess Championship 2024 - Section 50 + | Semi-Slav Defense: Chigorin Defense | |
| May 13, 2024 | Lekic | ½–½ | Kindt | European Senior Team Chess Championship 2024 - Section 50 + | Grünfeld Defense: Three Knights Variation, Petrosian System | |
| May 12, 2024 | Nielsen | 0–1 | Lekic | European Senior Team Chess Championship 2024 - Section 50 + | Sicilian Defense: Moscow Variation | |
| May 11, 2024 | Lekic | ½–½ | Izsak | European Senior Team Chess Championship 2024 - Section 50 + | Slav Defense: Quiet Variation | |
| May 10, 2024 | Lekic | ½–½ | Bellia | European Senior Team Chess Championship 2024 - Section 50 + | Bogo-Indian Defense: Retreat Variation | |
| May 9, 2024 | Karlsson | ½–½ | Lekic | European Senior Team Chess Championship 2024 - Section 50 + | Ruy Lopez: Exchange Variation, Keres Variation | |
| May 8, 2024 | Conquest | ½–½ | Lekic | European Senior Team Chess Championship 2024 - Section 50 + | Nimzo-Indian Defense: Sämisch Variation, Keres Variation | |
| May 7, 2024 | Lekic | ½–½ | Pavlin | European Senior Team Chess Championship 2024 - Section 50 + | Bogo-Indian Defense: Retreat Variation | |
| May 2, 2024 | Djukic | ½–½ | Lekic | Round 7: Djukic, Nikola - Lekic, Dusan | Ruy Lopez: Closed, Anti-Marshall | |
| Apr 29, 2024 | Lekic | 0–1 | Petrov | Round 4: Lekic, Dusan - Petrov, Nikita | Slav Defense: Czech Variation, Classical System, Main Line | |
| Apr 27, 2024 | Kosic | 1–0 | Lekic | Round 1: Kosic, Dragan - Lekic, Dusan | Semi-Slav Defense: Stoltz Variation | |
| Mar 31, 2024 | Lekic | ½–½ | Savanovic | Round 9: Lekic, Dusan - Savanovic, Aleksandar | Queen's Gambit Declined: Anti-Tartakower Variation, Petrosian Variation | |
| Mar 31, 2024 | Tanenbaum | 1–0 | Lekic | Round 8: Tanenbaum, Zachary - Lekic, Dusan | Sicilian Defense: Richter-Rauzer Variation, Vitolins Variation | |
| Mar 30, 2024 | Lekic | ½–½ | Yang | Round 7: Lekic, Dusan - Yang, Qindong | Bogo-Indian Defense: Retreat Variation | |
| Mar 30, 2024 | Tang | 1–0 | Lekic | Round 6: Tang, Zoey - Lekic, Dusan | Semi-Slav Defense: Chigorin Defense | |
| Mar 29, 2024 | Lekic | 0–1 | Atwell | Round 5: Lekic, Dusan - Atwell, Rose | Slav Defense: Quiet Variation, Schallopp Defense | |
| Mar 29, 2024 | Pang | ½–½ | Lekic | Round 4: Pang, Qi - Lekic, Dusan | Queen's Pawn Game: Torre Attack | |
| Mar 28, 2024 | Andrews | 0–1 | Lekic | Round 3: Andrews, Todd - Lekic, Dusan | Ruy Lopez: Closed, Center Attack | |
| Mar 28, 2024 | Lekic | ½–½ | Yudasin | Round 2: Lekic, Dusan - Yudasin, Leonid | Slav Defense: Exchange Variation, Symmetrical Line | |
| Mar 27, 2024 | Shundi | ½–½ | Lekic | Round 1: Shundi, Matias - Lekic, Dusan | Sicilian Defense: Alapin Variation, Barmen Defense, Modern Line | |
| Dec 31, 2024 | Lekic | 0–1 | Adharsh K | Round 6: Lekic, Dusan - Adharsh K | King's Indian Defense: Orthodox Variation | |
| Dec 30, 2024 | Skrbec | 1–0 | Lekic | Round 5: Skrbec, Leon - Lekic, Dusan | English Opening: Symmetrical Variation, Three Knights, Fianchetto Variation | |
| Dec 29, 2024 | Lekic | ½–½ | Domalchuk-Jonasson | Round 4: Lekic, Dusan - Domalchuk-Jonasson, Aleksandr | English Defense | |
| Dec 29, 2024 | Sala | * | Lekic | Round 3: Sala, Giulia - Lekic, Dusan | ? | |
| Dec 28, 2024 | Lekic | * | Christodoulaki | Round 2: Lekic, Dusan - Christodoulaki, Antonia | ? | |
| Dec 27, 2024 | Rubinshtein | * | Lekic | Round 1: Rubinshtein, Kamilla - Lekic, Dusan | ? | |
| Nov 19, 2024 | Celik | ½–½ | Lekic | Round 11: Celik, Hasan Huseyin - Lekic, Dusan | Sicilian Defense: Dragon Variation, Yugoslav Attack, Modern Line | |
| Nov 18, 2024 | Lekic | 1–0 | Odabasi | Round 10: Lekic, Dusan - Odabasi, Ruzgar | King's Indian Defense: Orthodox Variation, Classical System | |
| Nov 15, 2024 | Markovic | ½–½ | Lekic | Round 7: Markovic, Franjo-Josip - Lekic, Dusan | Catalan Opening: Closed | |
| Nov 12, 2024 | Lekic | 0–1 | Garcia Ramos | Round 6: Lekic, Dusan - Garcia Ramos, Daniel | Bogo-Indian Defense: Retreat Variation | |
| Nov 12, 2024 | Olsen | ½–½ | Lekic | Round 5: Olsen, Filip Boe - Lekic, Dusan | Catalan Opening: Open Defense, Classical Line | |
| Nov 10, 2024 | Ioannidis | 1–0 | Lekic | Round 3: Ioannidis, Evgenios - Lekic, Dusan | Nimzo-Indian Defense: Normal Variation, Classical Defense | |
| Nov 8, 2024 | Theodorou | 1–0 | Lekic | Round 1: Theodorou, Nikolas - Lekic, Dusan | Indian Defense: London System | |
| Oct 19, 2024 | Popadic | 0–1 | Lekic | Round 11: Popadic, Dragan B - Lekic, Dusan | Sicilian Defense: Moscow Variation, Main Line | |
| Oct 16, 2024 | Lekic | 1–0 | Vujovic | Round 8: Lekic, Dusan - Vujovic, Vera | Slav Defense: Quiet Variation | |
| Oct 12, 2024 | Cabrilo | ½–½ | Lekic | Round 4: Cabrilo, Goran - Lekic, Dusan | Sicilian Defense: Dragon Variation, Classical Variation | |
| Oct 10, 2024 | Podinic | ½–½ | Lekic | Round 2: Podinic, Bojan - Lekic, Dusan | Danish Gambit Declined: Sörensen Defense | |
| Jun 24, 2021 | Karisik | * | Lekic | 11th Mediterranean Championship | ? | |
| Jun 22, 2021 | Lekic | * | Ribera Veganzones | 11th Mediterranean Championship | ? | |
| Jun 21, 2021 | Zelcic | 1–0 | Lekic | 11th Mediterranean Championship | Ruy Lopez: Morphy Defense, Mackenzie Variation | |
| Jun 20, 2021 | Lekic | ½–½ | Draskovic | 11th Mediterranean Championship | Nimzo-Indian Defense: Normal Variation, Gligoric System, Bernstein Defense | |
| Jun 20, 2021 | Lekic | ½–½ | Kalezic | 11th Mediterranean Championship | Slav Defense: Chebanenko Variation, Advance System | |
| Jun 19, 2021 | Malisic | * | Lekic | 11th Mediterranean Championship | ? | |