| Oct 12, 2025 | Nanni | 0–1 | Pernigo | Round 9: Nanni, Sergio - Pernigo, Riccardo | Petrov's Defense: Classical Attack, Marshall Variation | |
| Oct 11, 2025 | Dlugosz Cattani | 0–1 | Nanni | Round 8: Dlugosz Cattani, Robin - Nanni, Sergio | Indian Defense: Budapest Defense, Adler Variation | |
| Oct 10, 2025 | Nanni | 0–1 | Pipitone | Round 7: Nanni, Sergio - Pipitone, Antonio | Sicilian Defense: Closed | |
| Oct 9, 2025 | Ebner | 1–0 | Nanni | Round 6: Ebner, Hermann - Nanni, Sergio | Queen's Pawn Game: Accelerated London System | |
| Oct 9, 2025 | Nanni | 0–1 | Wantoch von Rekowski | Round 5: Nanni, Sergio - Wantoch von Rekowski, Markus | Scotch Game: Göring Gambit, Double Pawn Sacrifice | |
| Oct 7, 2025 | Plasil | 1–0 | Nanni | Round 4: Plasil, Petr - Nanni, Sergio | Queen's Pawn Game | |
| Oct 6, 2025 | Nanni | 1–0 | Mordiglia | Round 3: Nanni, Sergio - Mordiglia, Riccardo | Sicilian Defense: Paulsen-Basman Defense | |
| Oct 5, 2025 | Bartonickova | 0–1 | Nanni | Round 2: Bartonickova, Bara - Nanni, Sergio | Scandinavian Defense | |
| Oct 5, 2025 | Nanni | 0–1 | Fuochi | Round 1: Nanni, Sergio - Fuochi, Tommaso | French Defense: Winawer Variation, Petrosian Variation | |
| Jun 14, 2025 | Nanni | 1–0 | Biondelli | Round 9: Nanni, Sergio - Biondelli, Marco | Scotch Game: Classical Variation | |
| Jun 13, 2025 | Andreini | 0–1 | Nanni | Round 8: Andreini, Gigliola - Nanni, Sergio | English Opening: King's English Variation, Four Knights Variation, Fianchetto Line | |
| Jun 12, 2025 | Nanni | 1–0 | Ponzecchi | Round 7: Nanni, Sergio - Ponzecchi, Riccardo | Owen Defense | |
| Jun 11, 2025 | Lantini | 1–0 | Nanni | Round 6: Lantini, Marco - Nanni, Sergio | Pirc Defense | |
| Jun 10, 2025 | Nanni | 1–0 | Degaudenz | Round 5: Nanni, Sergio - Degaudenz, Fabio | Modern Defense | |
| Jun 9, 2025 | D`antrassi | 1–0 | Nanni | Round 4: D`antrassi, Luca - Nanni, Sergio | Queen's Pawn Game: Zukertort Variation | |
| Jun 9, 2025 | Nanni | 0–1 | Galliani | Round 3: Nanni, Sergio - Galliani, William | French Defense: Chigorin Variation | |
| Jun 8, 2025 | Ruberto | 0–1 | Nanni | Round 2: Ruberto, Maria Nunzia - Nanni, Sergio | Scotch Game: Schmidt Variation | |
| Jun 7, 2025 | Nanni | 1–0 | Bellotto | Round 1: Nanni, Sergio - Bellotto, Adriano | Philidor Defense: Exchange Variation | |
| Oct 13, 2024 | Trumpp | 1–0 | Nanni | 46th International Chess Open Citta di Arco - A | Nimzo-Larsen Attack: Modern Variation | |
| Oct 12, 2024 | Nanni | 0–1 | Lang | 46th International Chess Open Citta di Arco - A | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | |
| Oct 11, 2024 | De Reymaeker | 0–1 | Nanni | 46th International Chess Open Citta di Arco - A | English Opening: The Whale | |
| Oct 10, 2024 | Nanni | ½–½ | Roessner | 46th International Chess Open Citta di Arco - A | Pirc Defense | |
| Oct 9, 2024 | Dittmar | 1–0 | Nanni | 46th International Chess Open Citta di Arco - A | English Opening: King's English Variation, Two Knights Variation, Reversed Dragon | |
| Oct 8, 2024 | Nanni | 1–0 | Di Lazzaro | 46th International Chess Open Citta di Arco - A | Sicilian Defense: Classical Variation | |
| Oct 7, 2024 | Linnemann | ½–½ | Nanni | Arco A | Four Knights Game: Scotch Variation Accepted | |
| Oct 6, 2024 | Nanni | 1–0 | Aegerter | Arco A | Modern Defense: Pseudo-Austrian Attack | |
| Oct 5, 2024 | Malli | 1–0 | Nanni | Arco A | English Opening: King's English Variation, Four Knights Variation, Fianchetto Line, with Nb6 | |
| Jun 14, 2023 | Nanni | 0–1 | Sorba Enrico | Round 6: Nanni, Sergio - Sorba Enrico | French Defense: Rubinstein Variation | |
| Jun 13, 2023 | Kratz | 1–0 | Nanni | Round 5: Kratz, Jonathan - Nanni, Sergio | Benko Gambit Accepted: Modern Variation | |
| Jun 12, 2023 | Roversi | 0–1 | Nanni | Round 3: Roversi, Stefano - Nanni, Sergio | Ruy Lopez: Closed, Bogoljubow Variation | |
| Jun 11, 2023 | Nanni | 1–0 | Tomasino Vincenzo | Round 2: Nanni, Sergio - Tomasino Vincenzo | Owen Defense | |
| Jun 10, 2023 | Cusato | 1–0 | Nanni | Round 1: Cusato, Davide - Nanni, Sergio | Pirc Defense: Classical Variation | |
