48 games in the PremovedPrep archive. Games as White.
| White | Black | Result | ECO | Event | Date |
|---|---|---|---|---|---|
| Tapia Ostolaza, Alexei | Sirosh, Ilja | 1/2-1/2 | A05 | Olymp 2026 Open | 2026-09-26 |
| Tapia Ostolaza, Alexei | Jele, Tapiwa | 1/2-1/2 | A05 | Olymp 2026 Open | 2026-09-25 |
| Tapia Ostolaza, Alexei | Hafiz, Arif Abdul | 0-1 | A07 | Olymp 2026 Open | 2026-09-19 |
| Tapia Ostolaza, Alexei | Tsaruk, Maksim | 0-1 | A04 | Olymp 2026 Open | 2026-09-17 |
| Tapia Ostolaza, Alexei | Tasso Jayson | 1-0 | D02 | Olymp 2026 Open | 2026-09-09 |
| Tapia Ostolaza, Alexei | Cueto Fernandez, Manuel Alejandro | 1-0 | A14 | V Panama Chess Open 2026 | 2026-08-29 |
| Tapia Ostolaza, Alexei | Brown Camano, Andres Camilo | 1-0 | A14 | V Panama Chess Open 2026 | 2026-08-28 |
| Tapia Ostolaza, Alexei | Fabrega Van Der Laat, Jose Bernardo | 1-0 | A11 | V Panama Chess Open 2026 | 2026-08-27 |
| Tapia Ostolaza, Alexei | Gonzalez Soto, Pedro Jose | 1-0 | A04 | V Panama Chess Open 2026 | 2026-08-26 |
| Tapia Ostolaza, Alexei | Guevara Ruiz, Santiago Jose | 1-0 | A05 | XII Juegos Centroamericanos, Guatemala 2025 Masculino Blitz | 2025-10-30 |
| Tapia Ostolaza, Alexei | Lizano Quiros, Matias Haziel | 1-0 | A05 | XII Juegos Centroamericanos, Guatemala 2025 Masculino Blitz | 2025-10-30 |
| Tapia Ostolaza, Alexei | Valdes Romero, Leonardo | 1/2-1/2 | A05 | XII Juegos Centroamericanos, Guatemala 2025 MASCULINO | 2025-10-28 |
| Tapia Ostolaza, Alexei | Sanchez, Steven | 1-0 | A37 | XII Juegos Centroamericanos, Guatemala 2025 MASCULINO | 2025-10-26 |
| Tapia Ostolaza, Alexei | Mendez Machado, Andre | 1/2-1/2 | A05 | Round 4: Tapia Ostolaza, Alexei - Mendez Machado, Andre | 2024-11-24 |
| Tapia Ostolaza, Alexei | Miranda Mesa, Elier | 1-0 | A07 | Round 2: Tapia Ostolaza, Alexei - Miranda Mesa, Elier | 2024-11-23 |
| Tapia Ostolaza, Alexei | Nie Chen, Kelvin | 1-0 | A07 | Round 4: Tapia Ostolaza, Alexei - Nie Chen, Kelvin | 2024-11-09 |
| Alexei Tapia Ostolaza | Oscar De La Riva Aguado | * | A04 | Round 2: Alexei Tapia Ostolaza - Oscar De La Riva Aguado | 2023-11-26 |
| Tapia Ostolaza Alexei | Diaz Hollemaert Nahuel | 0-1 | A04 | WCO | 2022-08-06 |
| Tapia Ostolaza Alexei | Sklyarov Dmitry V. | 0-1 | E01 | WCO | 2022-08-03 |
| Tapia Ostolaza Alexei | Etienne Angelo | 1/2-1/2 | A05 | WCO | 2022-08-02 |
| Tapia Ostolaza Alexei | Attalib Osama A. | 1-0 | A05 | WCO | 2022-08-01 |
| Tapia Ostolaza Alexei | Enemchukwu Chinedu Benjamin | 1-0 | A08 | WCO |