| Dec 9, 2023 | Alex Villa Tornero | 1–0 | Julen Luis Arizmendi Martinez | Round 8: Alex Villa Tornero - Julen Luis Arizmendi Martinez | French Defense: Paulsen Variation | |
| Dec 9, 2023 | Julen Luis Arizmendi Martinez | ½–½ | Carles Diaz Camallonga | Round 7: Julen Luis Arizmendi Martinez - Carles Diaz Camallonga | Semi-Slav Defense: Accelerated Meran Variation | |
| Dec 9, 2023 | Daniel Salinas Tomas | ½–½ | Julen Luis Arizmendi Martinez | Round 6: Daniel Salinas Tomas - Julen Luis Arizmendi Martinez | Queen's Pawn Game | |
| Dec 9, 2023 | Julen Luis Arizmendi Martinez | ½–½ | Cristobal Henriquez Villagra | Round 5: Julen Luis Arizmendi Martinez - Cristobal Henriquez Villagra | King's Indian Defense: Kazakh Variation | |
| Dec 9, 2023 | Fernando Valenzuela Gomez | 0–1 | Julen Luis Arizmendi Martinez | Round 4: Fernando Valenzuela Gomez - Julen Luis Arizmendi Martinez | French Defense: Paulsen Variation | |
| Dec 9, 2023 | Victor Manuel Vehi Bach | ½–½ | Julen Luis Arizmendi Martinez | Round 2: Victor Manuel Vehi Bach - Julen Luis Arizmendi Martinez | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | |
| Dec 9, 2023 | Julen Luis Arizmendi Martinez | 1–0 | Xavier Mompel Ferruz | Round 1: Julen Luis Arizmendi Martinez - Xavier Mompel Ferruz | Sicilian Defense: Najdorf Variation, Zagreb Variation | |
| Jul 16, 2023 | Julen Luis Arizmendi Martinez | ½–½ | Pier Luigi Basso | Round 9: Julen Luis Arizmendi Martinez - Pier Luigi Basso | Caro-Kann Defense: Tartakower Variation | |
| Jul 15, 2023 | Gudmundur Kjartansson | ½–½ | Julen Luis Arizmendi Martinez | Round 8: Gudmundur Kjartansson - Julen Luis Arizmendi Martinez | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Jul 14, 2023 | Julen Luis Arizmendi Martinez | 1–0 | Viktor Moskalenko | Round 7: Hannes Stefansson - Ilmars Starostits | Pirc Defense | |
| Jul 13, 2023 | Jacques Elbilia | 0–1 | Julen Luis Arizmendi Martinez | Round 6: Jacques Elbilia - Julen Luis Arizmendi Martinez | Queen's Gambit Declined: Three Knights Variation | |
| Jul 12, 2023 | Julen Luis Arizmendi Martinez | ½–½ | Dragos Ceres | Round 5: Julen Luis Arizmendi Martinez - Dragos Ceres | Queen's Pawn Game: Krause Variation | |
| Jul 11, 2023 | Felix-Antonio Ilinca | 0–1 | Julen Luis Arizmendi Martinez | Round 4: Felix-Antonio Ilinca - Julen Luis Arizmendi Martinez | Caro-Kann Defense: Advance Variation, Tal Variation | |
| Jul 9, 2023 | Pablo Ontanon Gomez | ½–½ | Julen Luis Arizmendi Martinez | Round 2: Pablo Ontanon Gomez - Julen Luis Arizmendi Martinez | Caro-Kann Defense: Panov Attack | |
| Jul 8, 2023 | Julen Luis Arizmendi Martinez | 1–0 | Samuel Tomas Parra | Round 1: Julen Luis Arizmendi Martinez - Samuel Tomas Parra | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Apr 10, 2023 | Julen Luis Arizmendi Martinez | 1–0 | Daniel Garcia Ramos | Ronda 9: Julen Luis Arizmendi Martinez - Daniel Garcia Ramos | Caro-Kann Defense: Tartakower Variation | |
| Apr 9, 2023 | Peng Chen | 0–1 | Julen Luis Arizmendi Martinez | Ronda 8: Peng Chen - Julen Luis Arizmendi Martinez | French Defense: Tarrasch Variation | |
| Apr 9, 2023 | Julen Luis Arizmendi Martinez | 1–0 | Daniel H. Campora | Ronda 7: Julen Luis Arizmendi Martinez - Daniel H. Campora | Ruy Lopez: Closed, Chigorin Defense | |
| Apr 7, 2023 | Julen Luis Arizmendi Martinez | ½–½ | Joshuaede Cappelletto | Ronda 5: Julen Luis Arizmendi Martinez - Joshuaede Cappelletto | Zukertort Opening: Sicilian Invitation | |
| Apr 7, 2023 | Zhaoqi Liu | ½–½ | Julen Luis Arizmendi Martinez | Ronda 4: Zhaoqi Liu - Julen Luis Arizmendi Martinez | English Opening: Symmetrical Variation, Ultra-Symmetrical Variation | |
| Apr 6, 2023 | Julen Luis Arizmendi Martinez | ½–½ | Nahun Gavarrete | Ronda 3: Julen Luis Arizmendi Martinez - Nahun Gavarrete | English Opening: Anglo-Indian Defense, Anti-Anti-Grünfeld | |
| Apr 6, 2023 | Hugo Garijo Perez | 0–1 | Julen Luis Arizmendi Martinez | Ronda 2: Hugo Garijo Perez - Julen Luis Arizmendi Martinez | Ruy Lopez: Closed | |
| Apr 5, 2023 | Julen Luis Arizmendi Martinez | 1–0 | Pau Camarillas Castellano | Ronda 1: Julen Luis Arizmendi Martinez - Pau Camarillas Castellano | King's Indian Defense: Normal Variation, King's Knight Variation | |
| May 14, 2022 | Francisco Montoliu Cervero | 1–0 | Julen Luis Arizmendi Martinez | Round 7: Player 7 - Player 8 | Ruy Lopez: Closed, Smyslov Defense | |