21 games in the PremovedPrep archive. Games as White.
| White | Black | Result | ECO | Event | Date |
|---|---|---|---|---|---|
| Horikawa, Masaki | Li, Hui | 1/2-1/2 | C44 | 2026 ACT Chess Championship | 2026-06-01 |
| Horikawa, Masaki | Chang, Ethan | 0-1 | C01 | 2026 Australian Championship Under 18 years | 2026-01-18 |
| Horikawa, Masaki | Chang, Ethan | 0-1 | C01 | 2026 Australian Championship Under 18 years | 2026-01-17 |
| Horikawa, Masaki | Litchfield, Frederick | 1-0 | B51 | 2025 ANU Open | 2025-07-27 |
| Horikawa, Masaki | Nguyen, Vu Ky Anh | 1/2-1/2 | C44 | 2025 NSW Open | 2025-06-06 |
| Horikawa, Masaki | Anderson, Brendan | 1-0 | C44 | Round 4: Horikawa, Masaki - Anderson, Brendan | 2024-07-10 |
| Horikawa, Masaki | Lau, Winson | 1-0 | B06 | Round 9: Horikawa, Masaki - Lau, Winson | 2024-07-10 |
| Horikawa, Masaki | Brown, Heath | 0-1 | C44 | Round 11: Horikawa, Masaki - Brown, Heath | 2024-07-10 |
| Horikawa, Masaki | Chakrabarty, Reyaansh | * | C41 | 2025 Sydney International Open Blitz |