| Feb 20, 2026 | Simonelli | 0–1 | Efimov | iii Festival della Dragonara | Queen's Pawn Game | |
| Oct 31, 2025 | Simonelli | ½–½ | Giammona | Round 2: Simonelli, Mattia - Giammona, Federico | Indian Defense: Knights Variation | |
| Jul 5, 2025 | Massazza | 1–0 | Simonelli | Round 9: Massazza, Federico - Simonelli, Mattia | Queen's Gambit Declined: Semi-Tarrasch Defense, Exchange Variation | |
| Jul 4, 2025 | Simonelli | 1–0 | Mascia | Round 8: Simonelli, Mattia - Mascia, Germano | Queen's Pawn Game: Symmetrical Variation, Pseudo-Catalan | |
| Apr 21, 2025 | Simonelli | 0–1 | Frescura | Round 6: Simonelli, Mattia - Frescura, Davide | Queen's Indian Defense: Classical Variation, Traditional Variation, Main Line | |
| Apr 21, 2025 | Di Benedetto | 1–0 | Simonelli | Round 5: Di Benedetto, Edoardo - Simonelli, Mattia | Zukertort Opening: Nimzo-Larsen Variation | |
| Apr 20, 2025 | Granaldi | 0–1 | Simonelli | Round 4: Granaldi, Alessandro - Simonelli, Mattia | Caro-Kann Defense: Exchange Variation, Rubinstein Variation | |
| Apr 19, 2025 | Simonelli | 0–1 | Corvi | Round 3: Simonelli, Mattia - Corvi, Marco | Dutch Defense | |
| Apr 19, 2025 | Cavoli | 0–1 | Simonelli | Round 2: Cavoli, Stefano - Simonelli, Mattia | English Opening: Symmetrical Variation, Rubinstein Variation | |
| Apr 18, 2025 | Simonelli | 1–0 | Molinari | Round 1: Simonelli, Mattia - Molinari, Carlo | Queen's Pawn Game: Symmetrical Variation, Pseudo-Catalan | |
| Aug 23, 2024 | Simonelli | ½–½ | Costalonga | Round 9: Simonelli, Mattia - Costalonga, Riccardo | Catalan Opening: Closed | |
| Aug 22, 2024 | Saketh | 1–0 | Simonelli | Round 8: Saketh, Pedagandham - Simonelli, Mattia | Caro-Kann Defense: Karpov Variation, Smyslov Variation, Main Line | |
| Aug 20, 2024 | Casagrande | 1–0 | Simonelli | Round 5: Casagrande, Federico - Simonelli, Mattia | English Opening: Symmetrical Variation, Ultra-Symmetrical Variation | |
| Aug 19, 2024 | Simonelli | ½–½ | Adrian | Round 4: Simonelli, Mattia - Adrian, Claude | Benoni Defense: Old Benoni | |
| Jul 4, 2024 | Simonelli | 0–1 | Mazzotti | Round 7: Simonelli, Mattia - Mazzotti, Filippo | Queen's Pawn Game: Symmetrical Variation, Pseudo-Catalan | |
| Jul 3, 2024 | Simonelli | ½–½ | Ferrante | Round 6: Simonelli, Mattia - Ferrante, Marco | Indian Defense: Knights Variation | |
| Jul 2, 2024 | Budyi | 0–1 | Simonelli | Round 5: Budyi, Danylo - Simonelli, Mattia | English Opening: Symmetrical Variation, Two Knights, Fianchetto Variation | |
| May 4, 2024 | Knors | ½–½ | Simonelli | Sardinia Worldchess | Caro-Kann Defense: Exchange Variation, Rubinstein Variation | |
| Jul 6, 2023 | Simonelli Mattia | 0–1 | Massazza Federico | Round 6: Simonelli Mattia - Massazza Federico | Queen's Pawn Game: Symmetrical Variation, Pseudo-Catalan | |
| Jul 4, 2023 | Simonelli Mattia | 0–1 | Lo Presti Giulio | Round 3: Simonelli Mattia - Lo Presti Giulio | Indian Defense: Knights Variation | |
