| Jun 26, 2026 | Costantino | ½–½ | Smirnov | Round 11: Costantino, Claudio Emanuele - Smirnov, Maksim | Caro-Kann Defense: Endgame Offer | |
| Jun 25, 2026 | Pogorelskiy | ½–½ | Costantino | Round 10: Pogorelskiy, Boris - Costantino, Claudio Emanuele | English Opening: Agincourt Defense | |
| Jun 24, 2026 | Costantino | 1–0 | Basha | Round 9: Costantino, Claudio Emanuele - Basha, Lir | Caro-Kann Defense: Main Line | |
| Jun 23, 2026 | Shen | ½–½ | Costantino | U16 Open | Sicilian Defense: Prins Variation | |
| Jun 22, 2026 | Costantino | 1–0 | Ranieri | Round 7: Costantino, Claudio Emanuele - Ranieri, Gianrico | Caro-Kann Defense: Endgame Variation | |
| Jun 20, 2026 | Hu | 1–0 | Costantino | Round 6: Hu, Diego - Costantino, Claudio Emanuele | Sicilian Defense: Closed, Carlsen Variation | |
| Jun 19, 2026 | Costantino | 0–1 | Fogo Esquivel | Round 5: Costantino, Claudio Emanuele - Fogo Esquivel, Levi Kalani Alexander | Ruy Lopez: Morphy Defense, Tarrasch Variation | |
| Jun 18, 2026 | Kazakov Olivieri | 0–1 | Costantino | Round 4: Kazakov Olivieri, Zakhar - Costantino, Claudio Emanuele | Zukertort Opening: Sicilian Invitation | |
| Jun 17, 2026 | Costantino | 0–1 | Tsolov | Round 3: Costantino, Claudio Emanuele - Tsolov, Aleksandar | Modern Defense: Pterodactyl Variation | |
| Jun 16, 2026 | Federer | 1–0 | Costantino | Round 2: Federer, Colin - Costantino, Claudio Emanuele | Petrov's Defense: Modern Attack, Murrey Variation | |
| Jun 15, 2026 | Costantino | 1–0 | Vogt | Round 1: Costantino, Claudio Emanuele - Vogt, Simon | Petrov's Defense: Nimzowitsch Attack | |
| May 8, 2026 | Costantino | ½–½ | Kavutskiy | Round 7: Costantino, Claudio Emanuele - Kavutskiy, Kostya | Sicilian Defense: Kan Variation, Polugaevsky Variation | |
| May 3, 2026 | Costantino | 0–1 | Yilmaz | Round 1: Costantino, Claudio Emanuele - Yilmaz, Mustafa | Sicilian Defense: Najdorf Variation, English Attack | |
| Apr 3, 2026 | Schmidek | 1–0 | Costantino | Grenke Chess Festival 2026 Open | Queen's Gambit Declined: Charousek Variation | |
| Feb 14, 2026 | Costantino | 0–1 | Pin | Round 9 Finals: Costantino, Claudio Emanuele - Pin, Orlando | Sicilian Defense: Lasker-Pelikan Variation | |
| Feb 14, 2026 | Pin | 1–0 | Costantino | Round 8 Finals: Pin, Orlando - Costantino, Claudio Emanuele | Sicilian Defense: O'Kelly Variation, Venice System | |
| Feb 13, 2026 | Costantino | 0–1 | Di Liberto | Round 7 SemiFinals: Costantino, Claudio Emanuele - Di Liberto, Michele | Philidor Defense: Lion Variation | |
| Feb 13, 2026 | Di Liberto | ½–½ | Costantino | Round 6 SemiFinals: Di Liberto, Michele - Costantino, Claudio Emanuele | Sicilian Defense: Four Knights Variation | |
| Feb 12, 2026 | Costantino | 1–0 | D`ippolito | Round 5: Costantino, Claudio Emanuele - D`ippolito, Nilo Alessandro | Sicilian Defense: Lasker-Pelikan Variation, Sveshnikov Variation | |
| Feb 12, 2026 | Frigerio | 1–0 | Costantino | Round 3: Frigerio, Riccardo - Costantino, Claudio Emanuele | Sicilian Defense: Najdorf Variation, Adams Attack | |
| Feb 11, 2026 | Costantino | ½–½ | La Barbera | Round 2: Costantino, Claudio Emanuele - La Barbera, Manfredi | Four Knights Game: Spanish Variation | |
| Feb 11, 2026 | Arun | 0–1 | Costantino | Round 1: Arun, Ria - Costantino, Claudio Emanuele | Queen's Gambit Declined: Tartakower Defense, Makogonov Exchange Variation | |
| Feb 2, 2026 | Pin | 1–0 | Costantino | Round 4: Pin, Orlando - Costantino, Claudio Emanuele | Sicilian Defense: Najdorf Variation, Adams Attack | |
| Jan 3, 2026 | Costantino | 0–1 | Hercegovac | Round 9: Costantino, Claudio Emanuele - Hercegovac, Neven | Sicilian Defense: Godiva Variation | |
| Jan 2, 2026 | Costantino | * | Panelo | Round 8: Costantino, Claudio Emanuele - Panelo, Marcelo | ? | |
| Jan 1, 2026 | Gimenez Menchon | * | Costantino | Round 7: Gimenez Menchon, Cesar - Costantino, Claudio Emanuele | ? | |
| Dec 31, 2025 | Costantino | * | Yao | Round 6: Costantino, Claudio Emanuele - Yao, Lan | ? | |
| Dec 30, 2025 | Skawinski | * | Costantino | Round 5: Skawinski, Arkadiusz - Costantino, Claudio Emanuele | ? | |
| Dec 29, 2025 | Costantino | * | Schmuki | Round 4: Costantino, Claudio Emanuele - Schmuki, Roman | ? | |
| Dec 29, 2025 | Mrozowski | * | Costantino | Round 3: Mrozowski, Nikodem - Costantino, Claudio Emanuele | ? | |
| Dec 28, 2025 | Plenca | 1–0 | Costantino | Round 1: Plenca, Jadranko - Costantino, Claudio Emanuele | Sicilian Defense: French Variation | |
| Dec 28, 2025 | Costantino | * | Di Girolamo | Round 2: Costantino, Claudio Emanuele - Di Girolamo, Nicolo` | ? | |
| Oct 9, 2025 | Marin Ferragut | 1–0 | Costantino | Round 6: Marin Ferragut, Pau - Costantino, Claudio Emanuele | Catalan Opening: Open Defense | |
| Jul 5, 2025 | Nardoni | 1–0 | Costantino | Round 9: Nardoni, Matteo - Costantino, Claudio Emanuele | Sicilian Defense: Najdorf Variation | |
| Jul 4, 2025 | Costantino | 1–0 | De Martino | Round 8: Costantino, Claudio Emanuele - De Martino, Filippo | Italian Game: Classical Variation, Greco Gambit | |
| Jul 2, 2025 | Costantino | 0–1 | Faldetta | Round 6: Costantino, Claudio Emanuele - Faldetta, Antonio | Caro-Kann Defense: Tartakower Variation | |
| Jul 1, 2025 | Murra | 0–1 | Costantino | Round 5: Murra, Mattia - Costantino, Claudio Emanuele | Sicilian Defense: Chekhover Variation | |
| Jun 28, 2025 | Volpi | 0–1 | Costantino | Round 1: Volpi, Giacomo - Costantino, Claudio Emanuele | Sicilian Defense: Closed | |
| Jun 28, 2025 | Costantino | 1–0 | Ferraccioni | Round 2: Costantino, Claudio Emanuele - Ferraccioni, Giovanni Paolo | Scandinavian Defense: Valencian Variation, Main Line | |
| Jun 28, 2025 | Codecasa | ½–½ | Costantino | Round 3: Codecasa, Alessandro - Costantino, Claudio Emanuele | Queen's Gambit Declined | |
| Apr 30, 2025 | Costantino | ½–½ | Solomon | Round 5: Costantino, Claudio Emanuele - Solomon, Kenny | Rat Defense: Accelerated Gurgenidze | |
| Apr 30, 2025 | Haver | 1–0 | Costantino | Round 6: Haver, Bas - Costantino, Claudio Emanuele | Sicilian Defense: French Variation | |
| Apr 29, 2025 | Sitbon | 1–0 | Costantino | Round 4: Sitbon, Itay - Costantino, Claudio Emanuele | Catalan Opening: Open Defense, Classical Line | |
| Apr 28, 2025 | Costantino | ½–½ | Romanishin | Round 3: Costantino, Claudio Emanuele - Romanishin, Oleg M | Scotch Game: Scotch Gambit, Advance Variation | |
| Apr 27, 2025 | Fromm | 1–0 | Costantino | Round 1: Fromm, Marius - Costantino, Claudio Emanuele | Sicilian Defense: French Variation | |
| Apr 18, 2025 | Leichnitz | 0–1 | Costantino | Round 1: Leichnitz, Lukas - Costantino, Claudio Emanuele | Queen's Gambit Declined | |
| Jul 28, 2024 | Maione | 0–1 | Costantino | Round 9: Maione, Melissa - Costantino, Claudio Emanuele | Ruy Lopez: Morphy Defense, Classical Defense Deferred | |
| Jul 27, 2024 | Costantino | 0–1 | Urbani | Round 8: Costantino, Claudio Emanuele - Urbani, Gabriel | Italian Game: Scotch Gambit, Max Lange Attack | |
| Jul 25, 2024 | Costantino | 0–1 | Contin | Round 6: Costantino, Claudio Emanuele - Contin, Daniel | French Defense: Advance Variation, Wade Variation | |
| Jul 24, 2024 | Paltrinieri | ½–½ | Costantino | Round 5: Paltrinieri, Nicholas - Costantino, Claudio Emanuele | Sicilian Defense: French Variation, Normal | |
| Jul 23, 2024 | Costantino | ½–½ | Colonetti | Round 4: Costantino, Claudio Emanuele - Colonetti, Fabio | Sicilian Defense: Najdorf Variation, Opocensky Variation | |
| Jul 22, 2024 | Davi | ½–½ | Costantino | Round 3: Davi, Alessandro - Costantino, Claudio Emanuele | Queen's Pawn Game: Colle System | |
| Jul 21, 2024 | Costantino | 0–1 | Casadio | Round 1: Costantino, Claudio Emanuele - Casadio, Niccolo` | Sicilian Defense: Najdorf Variation, Opocensky Variation | |
| Jul 6, 2024 | Costantino | 1–0 | Faldetta | Round 9: Costantino, Claudio Emanuele - Faldetta, Antonio | Sicilian Defense: Kan Variation, Modern Variation | |
| Jul 5, 2024 | Spiga | 0–1 | Costantino | Round 8: Spiga, Giovanni - Costantino, Claudio Emanuele | Catalan Opening: Open Defense, Classical Line | |
| Jul 4, 2024 | Costantino | 0–1 | De Marco | Round 7: Costantino, Claudio Emanuele - De Marco, Leonardo | Four Knights Game: Gunsberg Variation | |
| Jul 3, 2024 | Polidoro | 0–1 | Costantino | Round 6: Polidoro, Ettore - Costantino, Claudio Emanuele | Queen's Pawn Game: Colle System | |
| Jun 30, 2024 | Meloni | 1–0 | Costantino | Round 2: Meloni, Matteo - Costantino, Claudio Emanuele | Sicilian Defense: Taimanov Variation | |
| Jun 29, 2024 | Costantino | 1–0 | Montinaro | Round 1: Costantino, Claudio Emanuele - Montinaro, Angelo | Pirc Defense: Classical Variation | |
| Mar 24, 2024 | Costantino | 1–0 | Blagoveschenskiy | Quinto turno: Costantino, Claudio Emanuele - Blagoveschenskiy, Roman | Sicilian Defense: Scheveningen Variation, Keres Attack | |
| Mar 24, 2024 | D`antonio | 1–0 | Costantino | Quarto turno: D`antonio, Neri - Costantino, Claudio Emanuele | Sicilian Defense: French Variation | |
| Mar 23, 2024 | Costantino | 1–0 | De Marco | Terzo turno: Costantino, Claudio Emanuele - De Marco, Leonardo | Scotch Game: Scotch Gambit, Sarratt Variation | |
| Mar 23, 2024 | Piscopo | 1–0 | Costantino | Secondo turno: Piscopo, Pierluigi - Costantino, Claudio Emanuele | Queen's Gambit Declined: Charousek Variation | |
| Dec 22, 2024 | Costantino | 1–0 | Donati | Round 4: Costantino, Claudio Emanuele - Donati, Michele | Sicilian Defense: Classical Variation | |
| Dec 22, 2024 | Nainys | 1–0 | Costantino | Round 5: Nainys, Zanas - Costantino, Claudio Emanuele | Catalan Opening: Closed | |
| Dec 21, 2024 | Costantino | ½–½ | Ripa` | Round 2: Costantino, Claudio Emanuele - Ripa`, Daniele | Sicilian Defense: Dragon Variation, Yugoslav Attack, Old Line | |
| Dec 20, 2024 | Brozzi | ½–½ | Costantino | Round 1: Brozzi, Danilo - Costantino, Claudio Emanuele | English Opening: Symmetrical Variation, Botvinnik System Reversed, with Nf3 | |
| Sep 27, 2024 | Tirelli | 1–0 | Costantino | Round 1: Tirelli, Mauro - Costantino, Claudio Emanuele | King's Indian Attack | |
| — | Costantino | ½–½ | Paduano | Round 1: Costantino, Claudio Emanuele - Paduano, Claudio | Sicilian Defense: Taimanov Variation, Bastrikov Variation, English Attack | |
| — | Costantino | ½–½ | Athvik M | Round 3: Costantino, Claudio Emanuele - Athvik M | Sicilian Defense: Najdorf Variation, English Attack | |
| — | Costantino | 0–1 | Solodovnichenko | Round 5: Costantino, Claudio Emanuele - Solodovnichenko, Yuri | Pirc Defense | |