| Jun 14, 2026 | Sosic | 0–1 | Zufic | 38th International Chess Tournament Open Pula 2026 | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Jan 6, 2026 | Sosic | 0–1 | Zacchigna | 8th International Chess Tournament SAVOIA EXCELSIOR PALACE, Trieste, Italy | Pirc Defense | |
| Jan 5, 2026 | Barlocco | 1–0 | Sosic | 8th International Chess Tournament SAVOIA EXCELSIOR PALACE, Trieste, Italy | Van Geet Opening: Napoleon Attack | |
| Jan 4, 2026 | Di Maso | 0–1 | Sosic | 8th International Chess Tournament SAVOIA EXCELSIOR PALACE, Trieste, Italy | Sicilian Defense: Moscow Variation, Main Line | |
| Jan 3, 2026 | Sosic | 0–1 | Hercegovac | 8th International Chess Tournament SAVOIA EXCELSIOR PALACE, Trieste, Italy | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Dec 7, 2025 | De Wachter | 1–0 | Sosic | Open Poreč 2025 | Sicilian Defense: Najdorf Variation, English Attack | |
| Jul 7, 2025 | Tobak | 1–0 | Sosic | Round 3: Tobak, Mikhail - Sosic, Zvan | Zukertort Opening: Sicilian Invitation | |
| Jul 5, 2025 | Sosic | 0–1 | Soucek | Round 1: Sosic, Zvan - Soucek, Jan | Caro-Kann Defense: Exchange Variation | |
| Jun 19, 2025 | Nimac-Kalcina | 1–0 | Sosic | prvenstvo hrvatske do 15 godima m | Sicilian Defense: Najdorf Variation, Adams Attack | |
| Jun 19, 2025 | Sosic | ½–½ | Perak | prvenstvo hrvatske do 15 godima m | Modern Defense: Standard Defense | |
| Jun 18, 2025 | Brlekovic | ½–½ | Sosic | prvenstvo hrvatske do 15 godima m | Sicilian Defense: Alapin Variation | |
| Jun 17, 2025 | Kucelj | 1–0 | Sosic | prvenstvo hrvatske do 15 godima m | Sicilian Defense: Najdorf Variation, Main Line | |
| Jun 17, 2025 | Sosic | 1–0 | Novosel | prvenstvo hrvatske do 15 godima m | Caro-Kann Defense: Exchange Variation | |
| Jun 17, 2025 | Sosic | ½–½ | Jejina | prvenstvo hrvatske do 15 godima m | Sicilian Defense: Moscow Variation | |
| Jun 28, 2024 | Sosic | 0–1 | Simunkovic | Round 9: Sosic, Zvan - Simunkovic, Bartol | Sicilian Defense: Alapin Variation, Barmen Defense | |
| Jun 27, 2024 | Brlekovic | 1–0 | Sosic | Round 8: Brlekovic, Dominik - Sosic, Zvan | Sicilian Defense: Moscow Variation | |
| Jun 27, 2024 | Sosic | ½–½ | Perdic | Round 7: Sosic, Zvan - Perdic, Arijan | Caro-Kann Defense: Exchange Variation, Rubinstein Variation | |
| Jun 25, 2024 | Sosic | 1–0 | Gal | Round 5: Sosic, Zvan - Gal, Andrej | Sicilian Defense: Alapin Variation | |
| Jun 25, 2024 | Brnadic | 0–1 | Sosic | Round 4: Brnadic, Grga - Sosic, Zvan | Sicilian Defense: Closed, Traditional | |
| Jun 24, 2024 | Sosic | ½–½ | Ciboci | Round 3: Sosic, Zvan - Ciboci, Hrvoje | Caro-Kann Defense: Exchange Variation, Rubinstein Variation | |
| Jun 23, 2024 | Pehar | 1–0 | Sosic | Round 6: Pehar, Borna - Sosic, Zvan | Sicilian Defense: Najdorf Variation | |
| Apr 7, 2024 | Sosic | 1–0 | Martic | Round 8: Sosic, Zvan - Martic, Filip | Sicilian Defense: Hyperaccelerated Fianchetto | |
| Apr 5, 2024 | Sosic | ½–½ | Mesic | Round 6: Sosic, Zvan - Mesic, Josip | French Defense: Tarrasch Variation, Closed Variation | |
| Apr 4, 2024 | Sosic | 1–0 | Cvetkovic | Round 5: Sosic, Zvan - Cvetkovic, Erik | Sicilian Defense: Moscow Variation | |
| Sep 30, 2023 | Sosic | 0–1 | Sava | 22nd European Youth Blitz Championship 2023 - O-14 | French Defense: Winawer Variation, Advance Variation | |
| — | Sosic | 1–0 | Saric | Split Chess Open 2025 | Sicilian Defense: O'Kelly Variation, Quiet System | |
| — | Kantorik | 1–0 | Sosic | Split Chess Open 2025 | Indian Defense: Normal Variation | |
