| Sep 13, 2025 | Pecci | ½–½ | Remitz | Round 4: Pecci, William - Remitz, Uno | Ruy Lopez: Exchange Variation, Gligoric Variation | |
| Sep 13, 2025 | Gennari | 0–1 | Pecci | Round 3: Gennari, Jacopo - Pecci, William | Queen's Gambit Declined | |
| May 3, 2025 | Rubinshtein | 0–1 | Pecci | Round 9: Rubinshtein, Kamilla - Pecci, William | Ruy Lopez: Morphy Defense | |
| May 2, 2025 | Pecci | 0–1 | Destic | Round 8: Pecci, William - Destic, Elena | Caro-Kann Defense: Exchange Variation, Rubinstein Variation | |
| May 1, 2025 | Brunello | ½–½ | Pecci | Round 7: Brunello, Marina - Pecci, William | King's Indian Attack | |
| Apr 30, 2025 | Pecci | ½–½ | Grot | Round 6: Pecci, William - Grot, Blazej | Sicilian Defense: Kramnik Variation | |
| Apr 28, 2025 | Kalosha | 1–0 | Pecci | Round 3: Kalosha, Zhiulien Oleksii - Pecci, William | Italian Game: Classical Variation, Giuoco Pianissimo | |
| Apr 27, 2025 | Travadon | 1–0 | Pecci | Round 1: Travadon, Loic - Pecci, William | King's Indian Attack | |
| Dec 20, 2024 | Van Zyl-Rudd | 1–0 | Pecci | XI Sunway Sitges International Chess Festival 2024 - Group A | English Opening: Agincourt Defense, Catalan Defense Accepted | |
| Dec 12, 2024 | Pecci | 0–1 | Tin | XI Sunway Sitges International Chess Festival 2024 - Group A | Ruy Lopez: Exchange Variation, Normal Variation | |
| Dec 12, 2024 | Pecci | 0–1 | Tin | XI Sunway Sitges International Chess Fes | Ruy Lopez: Exchange Variation, Normal Variation | |
| May 25, 2024 | Pecci | 0–1 | Motola | Round 7: Pecci, William - Motola, Jacopo | Ruy Lopez: Berlin Defense | |
| May 25, 2024 | Mola | 0–1 | Pecci | Round 6: Mola, Pietro - Pecci, William | Queen's Pawn Game: Accelerated London System | |
| May 25, 2024 | Pecci | 1–0 | Casadio | Round 5: Pecci, William - Casadio, Niccolo` | Pirc Defense: Austrian Attack, Unzicker Attack | |
| May 25, 2024 | Favilli | 1–0 | Pecci | Round 3: Favilli, Edoardo - Pecci, William | Scotch Game: Scotch Gambit, London Defense | |
| May 25, 2024 | Sonis | 1–0 | Pecci | Round 1: Sonis, Francesco - Pecci, William | Queen's Gambit Declined: Janowski Variation | |
| Oct 6, 2024 | Pecci | 1–0 | Triglia | Round 4: Pecci, William - Triglia, Alessandro | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Oct 6, 2024 | Bevilacqua | 0–1 | Pecci | Round 5: Bevilacqua, Maurizio - Pecci, William | Catalan Opening: Open Defense | |
| Oct 5, 2024 | Pecci | 0–1 | Di Benedetto | Round 2: Pecci, William - Di Benedetto, Edoardo | French Defense: Schlechter Variation | |
| Oct 5, 2024 | Ferri | ½–½ | Pecci | Round 3: Ferri, Fabio - Pecci, William | French Defense: Winawer Variation, Bogoljubow Variation | |
| Oct 4, 2024 | Chimenti | 0–1 | Pecci | Round 1: Chimenti, Andrea - Pecci, William | Queen's Gambit Declined: Janowski Variation | |
