| Nov 19, 2023 | William Alfaro | ½–½ | Sergio Miguel Garcia Funes | Round 5: William Alfaro - Sergio Miguel Garcia Funes | English Opening: Agincourt Defense | |
| Nov 18, 2023 | William Alfaro | ½–½ | David Alejandro Cabezas Solano | Round 2: William Alfaro - David Alejandro Cabezas Solano | Queen's Gambit Declined: Tartakower Defense | |
| Nov 18, 2023 | William Alfaro | 0–1 | Ricardo Urbina | Round 3: William Alfaro - Ricardo Urbina | Semi-Slav Defense | |
| Nov 18, 2023 | Daniel Arias | * | William Alfaro | Round 1: Daniel Arias - William Alfaro | Sicilian Defense: Dragon Variation, Yugoslav Attack, Panov Variation | |
| Sep 17, 2023 | William Alfaro | 1–0 | Carlos Avalos | Round 9: William Alfaro - Carlos Avalos | Wade Defense | |
| Sep 17, 2023 | Carlos Davila | ½–½ | William Alfaro | Round 8: Carlos Davila - William Alfaro | Indian Defense: Tartakower Attack | |
| Sep 16, 2023 | William Alfaro | 1–0 | Enrique Pomares | Round 7: William Alfaro - Enrique Pomares | King's Indian Defense: Normal Variation, King's Knight Variation | |
| Sep 16, 2023 | Heriberto Ortiz | ½–½ | William Alfaro | Round 6: Heriberto Ortiz - William Alfaro | Nimzo-Larsen Attack: Indian Variation | |
| Sep 15, 2023 | William Alfaro | ½–½ | Moises Valle Alonso | Round 5: William Alfaro - Moises Valle Alonso | Marienbad System | |
| Sep 15, 2023 | Axell Sevilla | ½–½ | William Alfaro | Round 4: Axell Sevilla - William Alfaro | King's Indian Attack | |
| Sep 14, 2023 | Antonio Garcia | ½–½ | William Alfaro | Round 2: Antonio Garcia - William Alfaro | English Opening: Anglo-Indian Defense | |
| Sep 14, 2023 | William Alfaro | 1–0 | Francisco Ruiz | Round 1: William Alfaro - Francisco Ruiz | Benoni Defense: French Benoni | |
| Jul 6, 2023 | William Alfaro | ½–½ | Jorge Ernesto Giron | Round 15: William Alfaro - Jorge Ernesto Giron | Sicilian Defense: Delayed Alapin Variation | |
| Jul 6, 2023 | Gian Carlo Arvelo Leo | 0–1 | William Alfaro | Round 14: Gian Carlo Arvelo Leo - William Alfaro | English Opening: Symmetrical Variation, Full Symmetry Line | |
| Jul 6, 2023 | William Alfaro | 0–1 | Luis Ernesto Quesada Perez | Round 13: William Alfaro - Luis Ernesto Quesada Perez | Sicilian Defense: Alapin Variation, Smith-Morra Declined | |
| Jul 6, 2023 | Sergio Duran Vega | ½–½ | William Alfaro | Round 12: Sergio Duran Vega - William Alfaro | King's Indian Defense: Normal Variation, King's Knight Variation | |
| Jul 6, 2023 | William Alfaro | 0–1 | Luis Fernando Ibarra Chami | Round 11: William Alfaro - Luis Fernando Ibarra Chami | Sicilian Defense: Alapin Variation | |
| Jul 6, 2023 | Miguel A. Boggiano Pereira | 0–1 | William Alfaro | Round 10: Miguel A. Boggiano Pereira - William Alfaro | English Opening: Symmetrical Variation, Anti-Benoni Variation | |
| Jul 6, 2023 | William Alfaro | 1–0 | Orlando Andres Leon Archibaldo | Round 9: William Alfaro - Orlando Andres Leon Archibaldo | Sicilian Defense: Smith-Morra Gambit Accepted, Paulsen Formation | |
| Jul 6, 2023 | Angelo Etienne | 1–0 | William Alfaro | Round 8: Angelo Etienne - William Alfaro | King's Indian Attack: Symmetrical Defense | |
| Jul 6, 2023 | William Alfaro | ½–½ | Martyn Del Castilho | Round 7: William Alfaro - Martyn Del Castilho | Queen's Pawn Game: Zukertort Variation | |
| Jul 6, 2023 | Cyrus Daniel | 0–1 | William Alfaro | Round 6: Cyrus Daniel - William Alfaro | Sicilian Defense: Grand Prix Attack | |
| Jul 6, 2023 | William Alfaro | ½–½ | Alejandro Jose Chinchilla | Round 5: William Alfaro - Alejandro Jose Chinchilla | Queen's Gambit Declined: Tartakower Defense | |
| Jul 6, 2023 | Felix Jose Ynojosa Aponte | ½–½ | William Alfaro | Round 4: Felix Jose Ynojosa Aponte - William Alfaro | Sicilian Defense: Alapin Variation, Smith-Morra Declined | |
| Jul 6, 2023 | William Alfaro | 0–1 | Jose Gabriel Cardoso Cardoso | Round 3: William Alfaro - Jose Gabriel Cardoso Cardoso | Queen's Gambit Declined: Three Knights, Vienna Variation | |
| Jul 6, 2023 | Hayden Lee | 0–1 | William Alfaro | Round 2: Hayden Lee - William Alfaro | East Indian Defense | |
| Jul 6, 2023 | Shreyas Smith | 0–1 | William Alfaro | Round 1: Shreyas Smith - William Alfaro | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation | |
| Jul 6, 2023 | William Alfaro | 1–0 | Shreyas Smith | Round 15: William Alfaro - Shreyas Smith | Queen's Pawn Game: Zukertort Variation | |
| Jul 5, 2023 | Angelo Etienne | 1–0 | William Alfaro | Round 14: Angelo Etienne - William Alfaro | King's Indian Attack: Symmetrical Defense | |
| Jul 5, 2023 | William Alfaro | 0–1 | Luis Ernesto Quesada Perez | Round 13: William Alfaro - Luis Ernesto Quesada Perez | Benoni Defense: Fianchetto Variation | |
| Jul 5, 2023 | Hayden Lee | 0–1 | William Alfaro | Round 12: Hayden Lee - William Alfaro | Queen's Pawn Game: Barry Attack | |
| Jul 5, 2023 | William Alfaro | 1–0 | Miguel A. Boggiano Pereira | Round 11: William Alfaro - Miguel A. Boggiano Pereira | King's Indian Defense: Fianchetto Variation, Panno Variation | |
| Jul 5, 2023 | Esteban Alb Valderrama Quiceno | 0–1 | William Alfaro | Round 10: Esteban Alb Valderrama Quiceno - William Alfaro | Queen's Gambit Declined: Queen's Knight Variation | |
| Jul 4, 2023 | Sergio Duran Vega | ½–½ | William Alfaro | Round 9: Sergio Duran Vega - William Alfaro | Sicilian Defense: Accelerated Dragon, Maróczy Bind | |
| Jul 4, 2023 | William Alfaro | * | Alejandro Jose Chinchilla | Round 8: William Alfaro - Alejandro Jose Chinchilla | Sicilian Defense: Smith-Morra Gambit Accepted, Pin Defense | |
| Jul 4, 2023 | Jorge Ernesto Giron | 1–0 | William Alfaro | Round 7: Jorge Ernesto Giron - William Alfaro | Benoni Defense: Fianchetto Variation | |
| Jul 4, 2023 | William Alfaro | ½–½ | Orlando Andres Leon Archibaldo | Round 6: William Alfaro - Orlando Andres Leon Archibaldo | Slav Defense: Chebanenko Variation | |
| Jul 4, 2023 | Martyn Del Castilho | ½–½ | William Alfaro | Round 5: Martyn Del Castilho - William Alfaro | Sicilian Defense: Alapin Variation | |
| Jul 3, 2023 | William Alfaro | 0–1 | Luis Fernando Ibarra Chami | Round 4: William Alfaro - Luis Fernando Ibarra Chami | Sicilian Defense: Alapin Variation | |
| Jul 3, 2023 | Gian Carlo Arvelo Leo | ½–½ | William Alfaro | Round 3: Gian Carlo Arvelo Leo - William Alfaro | English Opening: Symmetrical Variation, Three Knights, Fianchetto Variation | |
| Jul 3, 2023 | William Alfaro | 0–1 | Felix Jose Ynojosa Aponte | Round 2: William Alfaro - Felix Jose Ynojosa Aponte | Sicilian Defense: Alapin Variation, Smith-Morra Declined | |
| Jul 3, 2023 | Cyrus Daniel | 0–1 | William Alfaro | Round 1: Cyrus Daniel - William Alfaro | Sicilian Defense: Grand Prix Attack | |
