20 games in the PremovedPrep archive. Games as White.
| White | Black | Result | ECO | Event | Date |
|---|---|---|---|---|---|
| Okubo, Sui | Evan De Wet | 1-0 | C50 | Round 11: Okubo, Sui - Evan De Wet | 2026-06-27 |
| Okubo, Sui | Ramanathan, Ekalaivan | 0-1 | C50 | Round 9: Okubo, Sui - Ramanathan, Ekalaivan | 2026-06-25 |
| Okubo, Sui | Shcherbatykh, Kirian | 1-0 | B08 | Round 8: Okubo, Sui - Shcherbatykh, Kirian | 2026-06-24 |
| Okubo, Sui | Iskhak Esenkabylov | 1/2-1/2 | C50 | Round 6: Okubo, Sui - Iskhak Esenkabylov | 2026-06-21 |
| Okubo, Sui | Magomedov, Adam | 0-1 | C02 | Round 4: Okubo, Sui - Magomedov, Adam | 2026-06-19 |
| Okubo, Sui | Onise Chitaia | 1-0 | C50 | Round 2: Okubo, Sui - Onise Chitaia | 2026-06-17 |
| Okubo, Sui | Liu, Shun Wang | 0-1 | C01 | Asian Amateur Chess Competition 2025 | |
| Okubo, Sui | Wu, Zhong Kai Austin | 1/2-1/2 | B15 | Asian Amateur Chess Competition 2025 | |
| Okubo, Sui | Lee, Jiho | 0-1 | B08 | Asian Amateur Chess Competition 2025 | |
| Okubo, Sui | Nethi, Reddy Sai Theenash | 1-0 | C50 | Asian Amateur Chess Competition 2025 |