| Jan 31, 2026 | Semprun Martinez | 0–1 | Pribelszky | SixDays February 2026 IM B | Queen's Gambit Declined | |
| Jan 31, 2026 | Semprun Martinez | ½–½ | Kienboeck | SixDays February 2026 IM B | Zukertort Opening: Reversed Grünfeld | |
| Jan 31, 2026 | Semprun Martinez | 0–1 | Gunawardhana | SixDays February 2026 IM B | English Opening: Agincourt Defense, Catalan Defense Accepted | |
| Jan 31, 2026 | Semprun Martinez | 0–1 | Ayaan Garg | SixDays February 2026 IM B | Caro-Kann Defense: Advance Variation | |
| Jan 31, 2026 | Pandey Srishti | 1–0 | Semprun Martinez | SixDays February 2026 IM B | Ruy Lopez: Open, St. Petersburg Variation | |
| Jan 31, 2026 | Esshan Wadhawan | 1–0 | Semprun Martinez | SixDays February 2026 IM B | Slav Defense: Exchange Variation | |
| Jan 31, 2026 | Sanjay Narayanan P S | 0–1 | Semprun Martinez | SixDays February 2026 IM B | French Defense: Advance Variation, Euwe Variation | |
| Jan 31, 2026 | Hacker | 1–0 | Semprun Martinez | SixDays February 2026 IM B | Semi-Slav Defense: Normal Variation | |
| Jan 31, 2026 | Horvath | ½–½ | Semprun Martinez | SixDays February 2026 IM B | Neo-Grünfeld Defense: Goglidze Attack | |
| Jul 31, 2025 | Semprun Martinez | 0–1 | Hoffman | SixDays Budapest July 2025 IM A | Slav Defense: Modern Line | |
| Jul 31, 2025 | Jakovljevic | ½–½ | Semprun Martinez | SixDays Budapest July 2025 IM A | Semi-Slav Defense: Normal Variation | |
| Jul 30, 2025 | Semprun Martinez | 0–1 | Pacher | SixDays Budapest July 2025 IM A | Sicilian Defense: Taimanov Variation | |
| Jul 29, 2025 | Lehocz | ½–½ | Semprun Martinez | SixDays Budapest July 2025 IM A | Caro-Kann Defense: Two Knights Attack | |
| Jul 29, 2025 | Semprun Martinez | ½–½ | Pavan Karthikeya Varma Gunturi | SixDays Budapest July 2025 IM A | Caro-Kann Defense: Tartakower Variation | |
| Jul 28, 2025 | Averin | 1–0 | Semprun Martinez | SixDays Budapest July 2025 IM A | Ruy Lopez: Open Berlin Defense, l'Hermet Variation | |
| Jul 28, 2025 | Semprun Martinez | 0–1 | Fule | SixDays Budapest July 2025 IM A | King's Indian Defense: Fianchetto Variation, Carlsbad Variation | |
| Jul 27, 2025 | Semprun Martinez | 0–1 | Savanovic | SixDays Budapest July 2025 IM A | Catalan Opening | |
| May 15, 2025 | Kavutskiy | 1–0 | Semprun Martinez | Round 9: Kavutskiy, Kostya - Semprun Martinez, Fernando | Ruy Lopez: Closed, Pilnik Variation | |
| May 14, 2025 | Skutta | 0–1 | Semprun Martinez | Round 8: Skutta, Bernd, Dr. - Semprun Martinez, Fernando | Queen's Gambit Declined: Traditional Variation | |
| May 12, 2025 | Semprun Martinez | 0–1 | Fornieles Bretones | Round 5: Semprun Martinez, Fernando - Fornieles Bretones, Antonio | Sicilian Defense: Hyperaccelerated Dragon | |
| May 11, 2025 | Tonndorf | 1–0 | Semprun Martinez | Round 4: Tonndorf, Matthias - Semprun Martinez, Fernando | English Opening: Anglo-Indian Defense | |
| May 11, 2025 | Semprun Martinez | ½–½ | Eckert | Round 3: Semprun Martinez, Fernando - Eckert, Doug | Sicilian Defense: Godiva Variation | |
| May 10, 2025 | Sales Montealegre | 0–1 | Semprun Martinez | Round 2: Sales Montealegre, Raquel - Semprun Martinez, Fernando | Center Game: Berger Variation | |
| Nov 27, 2024 | Semprun Martinez | ½–½ | Kolimar | SixDays Budapest November 2024 IM A | Sicilian Defense: Taimanov Variation, Bastrikov Variation | |
| Nov 26, 2024 | Semprun Martinez | 0–1 | Fodor | SixDays Budapest November 2024 IM A | Sicilian Defense: Najdorf Variation | |
| Nov 26, 2024 | Nemeth | ½–½ | Semprun Martinez | SixDays Budapest November 2024 IM A | Neo-Grünfeld Defense: Classical Variation, Original Defense | |
| Nov 25, 2024 | Semprun Martinez | 0–1 | Wang | SixDays Budapest November 2024 IM A | Catalan Opening: Closed | |
| Nov 25, 2024 | Krishna C R G | 1–0 | Semprun Martinez | SixDays Budapest November 2024 IM A | Queen's Pawn Game: Barry Attack, Grünfeld Variation | |
| Nov 24, 2024 | To | 1–0 | Semprun Martinez | SixDays Budapest November 2024 IM A | Ruy Lopez: Open, Classical Defense | |
| Nov 23, 2024 | Semprun Martinez | ½–½ | Mahitosh Dey | SixDays Budapest November 2024 IM A | King's Indian Defense: Makogonov Variation | |
| Nov 23, 2024 | Horvath | 1–0 | Semprun Martinez | SixDays Budapest November 2024 IM A | Sicilian Defense: Accelerated Dragon, Maróczy Bind | |
| Nov 22, 2024 | Otsuka | 1–0 | Semprun Martinez | SixDays Budapest November 2024 IM A | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | |
| Oct 31, 2024 | Semprun Martinez | 0–1 | Becker | Round 6: Semprun Martinez, Fernando - Becker, Matthias | Modern Defense: Lizard Defense, Mittenberger Gambit | |
| Oct 30, 2024 | Semprun Martinez | * | Weber | Round 5: Semprun Martinez, Fernando - Weber, Samuel | ? | |
| Jul 6, 2024 | Sethuraman | 1–0 | Semprun Martinez | XLIII Open Villa de Benasque 2024 | Queen's Pawn Game: Barry Attack | |
| Feb 1, 2024 | Semprun Martinez | ½–½ | Nemeth | SixDays January 2024 IMB | Queen's Gambit Accepted: Central Variation, Rubinstein Defense | |
| Jan 31, 2024 | Semprun Martinez | ½–½ | Nemitz | SixDays January 2024 IMB | Catalan Opening | |
| Jan 31, 2024 | Ihnat | ½–½ | Semprun Martinez | SixDays January 2024 IMB | Ruy Lopez: Closed, Breyer Defense, Zaitsev Hybrid | |
| Jan 30, 2024 | Mouhamad | 1–0 | Semprun Martinez | SixDays January 2024 IMB | Ruy Lopez: Open, Classical Defense | |
| Jan 29, 2024 | Semprun Martinez | ½–½ | Varadi | SixDays January 2024 IMB | Dutch Defense: Leningrad Variation, Warsaw Variation | |
| Jan 29, 2024 | Egresi | 1–0 | Semprun Martinez | SixDays January 2024 IMB | Grünfeld Defense: Brinckmann Attack | |
| Jan 28, 2024 | Semprun Martinez | 0–1 | Srinath | SixDays January 2024 IMB | King's Indian Defense: Sämisch Variation, Sämisch Gambit | |
| Jan 28, 2024 | Sgircea | 1–0 | Semprun Martinez | SixDays January 2024 IMB | Zukertort Opening | |
| Jan 27, 2024 | Kolimar | 1–0 | Semprun Martinez | SixDays January 2024 IMB | Queen's Pawn Game: Symmetrical Variation, Pseudo-Catalan | |
| Dec 27, 2024 | Vargas Rodriguez | 1–0 | Semprun Martinez | Round 3: Vargas Rodriguez, Wilver - Semprun Martinez, Fernando | Rapport-Jobava System | |
| Oct 28, 2023 | Semprun Martinez | 0–1 | Meissner | 26. Offene Internationale Bayerische Schachmeisterschaft Tegernsee | Neo-Grünfeld Defense: Exchange Variation | |
| Oct 17, 2023 | Sgircea | 1–0 | Semprun Martinez | 9 Rounds - Swiss | English Opening: Anglo-Indian Defense, Slav Formation | |
| Oct 15, 2023 | Thorsen | 1–0 | Semprun Martinez | 9 Rounds - Swiss | Ruy Lopez: Morphy Defense, Steinitz Deferred | |
| Oct 14, 2023 | Semprun Martinez | ½–½ | Holinka | 9 Rounds - Swiss | Zukertort Opening: Kingside Fianchetto | |
| Sep 17, 2023 | Pribelszky | 1–0 | Semprun Martinez | SixDays September IM | Italian Game: Classical Variation, Giuoco Pianissimo, with a6 | |
| Sep 16, 2023 | Semprun Martinez | 0–1 | Vincenti | SixDays September IM | Bogo-Indian Defense: Retreat Variation | |
| Sep 16, 2023 | Advaitt | * | Semprun Martinez | SixDays September IM | Queen's Pawn Game: London System | |
| Sep 15, 2023 | Semprun Martinez | * | Juhasz | SixDays September IM | Sicilian Defense: Najdorf Variation | |
| Sep 14, 2023 | Semprun Martinez | 0–1 | Lee | SixDays September IM | Sicilian Defense: Najdorf Variation | |
| Sep 14, 2023 | Meessen | 1–0 | Semprun Martinez | SixDays September IM | Rapport-Jobava System | |
| Sep 13, 2023 | Semprun Martinez | 0–1 | Krizsany | SixDays September IM | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | |
| Sep 13, 2023 | Horvath | ½–½ | Semprun Martinez | SixDays September IM | Grünfeld Defense: Exchange Variation | |
| Sep 12, 2023 | Semprun Martinez | 1–0 | Terbe | SixDays September IM | Ruy Lopez: Closed, Bogoljubow Variation | |
| Nov 13, 2022 | Semprun Martinez | 0–1 | Maier | 25th Open Bavarian Championship | Pterodactyl Defense: Eastern, Pteranodon | |
| Nov 12, 2022 | Mattes | * | Semprun Martinez | 25th Open Bavarian Championship | ? | |
| Nov 11, 2022 | Semprun Martinez | 1–0 | Barthel | 25th Open Bavarian Championship | ? | |
| Nov 10, 2022 | Eldho | 1–0 | Semprun Martinez | 25th Open Bavarian Championship | ? | |
| Nov 9, 2022 | Semprun Martinez | 1–0 | Wuest | 25th Open Bavarian Championship | ? | |
| Nov 8, 2022 | Winter | 0–1 | Semprun Martinez | 25th Open Bavarian Championship | ? | |
| Nov 7, 2022 | Semprun Martinez | 0–1 | Neuhoff | 25th Open Bavarian Championship | ? | |
| Nov 6, 2022 | Reuter | 0–1 | Semprun Martinez | 25th Open Bavarian Championship | ? | |
| Nov 5, 2022 | Semprun Martinez | 0–1 | Korobov | 25th Open Bavarian Championship | Sicilian Defense: Najdorf Variation | |
| Jul 13, 2021 | Semprun Martinez | * | Pujante Martinez | 40th Benasque Open | ? | |
| Jul 12, 2021 | Rios Garcia | * | Semprun Martinez | 40th Benasque Open | ? | |
| Jul 11, 2021 | Semprun Martinez | * | Rosell Formosa | 40th Benasque Open | ? | |
| Jul 10, 2021 | Semprun Martinez | * | Sarto Ramos | 40th Benasque Open | ? | |
| Jul 9, 2021 | Baliuniene | * | Semprun Martinez | 40th Benasque Open | ? | |
| Jul 8, 2021 | Semprun Martinez | * | Song | 40th Benasque Open | ? | |
| Jul 7, 2021 | Garcia-Blazquez Perez | * | Semprun Martinez | 40th Benasque Open | ? | |
| Jul 6, 2021 | Semprun Martinez | * | Argandona Riveiro | 40th Benasque Open | ? | |
| Jul 5, 2021 | Carnero Rodriguez | * | Semprun Martinez | 40th Benasque Open | ? | |
| — | Shivika Rohilla | 0–1 | Semprun Martinez | SixDays Budapest July 2025 IM A | Slav Defense: Quiet Variation | |