| Jul 12, 2026 | Di Candia | 0–1 | Barna | Round 9: Di Candia, Roberto - Barna, Marco | King's Indian Defense: Orthodox Variation, Bayonet Attack | |
| Jul 11, 2026 | Barna | 1–0 | Pilo | Round 8: Barna, Marco - Pilo, Sergio | Sicilian Defense: Taimanov Variation, Bastrikov Variation, English Attack | |
| Apr 30, 2026 | Barna | 0–1 | Palozza | Finals: Barna, Marco - Palozza, Christian | Caro-Kann Defense: Advance Variation, Short Variation | |
| Jul 5, 2025 | Barna | 0–1 | Ferrante | Round 9: Barna, Marco - Ferrante, Marco | Ruy Lopez: Berlin Defense, l'Hermet Variation, Berlin Wall Defense | |
| Jul 2, 2025 | Centamore | 1–0 | Barna | Round 6: Centamore, Alberto - Barna, Marco | Sicilian Defense: Alapin Variation | |
| Jun 30, 2025 | Barna | 0–1 | Zoncu | Round 3: Barna, Marco - Zoncu, Roberto Alessio | French Defense: Exchange Variation | |
| Jul 5, 2024 | Carrideo | 1–0 | Barna | Round 8: Carrideo, Simone - Barna, Marco | French Defense: Steinitz Variation, Boleslavsky Variation | |
| Jul 4, 2024 | Barna | ½–½ | Ballabio | Round 7: Barna, Marco - Ballabio, Pietro | English Opening: King's English Variation, Reversed Closed Sicilian | |
| Jul 3, 2024 | Barna | ½–½ | Fava | Round 6: Barna, Marco - Fava, Lorenzo | Caro-Kann Defense: Karpov Variation | |
| Jul 2, 2024 | Rossi | 0–1 | Barna | Round 5: Rossi, Gabriele Valerio - Barna, Marco | Sicilian Defense: Kan Variation, Modern Variation | |
| Jul 1, 2024 | Barna | ½–½ | Budyi | Round 4: Barna, Marco - Budyi, Danylo | Sicilian Defense: Closed | |