23 games in the PremovedPrep archive. Games as White.
| White | Black | Result | ECO | Event | Date |
|---|---|---|---|---|---|
| Peramunetilleke, Seth | Melamed, Daniel | 1/2-1/2 | C00 | 2026 NSW State Chess Championships | 2026-09-29 |
| Peramunetilleke, Seth | Tang, Terrence | 1-0 | B22 | 2026 NSW State Chess Championships | 2026-09-28 |
| Peramunetilleke, Seth | Chakrabarty, Reyaansh | 0-1 | B13 | 2026 NSW State Chess Championships | 2026-09-27 |
| Peramunetilleke, Seth | Power, Ted | 1-0 | C45 | 2026 NSW State Chess Championships | 2026-09-26 |
| Peramunetilleke, Seth | Bjelobrk, Igor | 0-1 | C00 | 2026 NSW State Chess Championships | 2026-09-26 |
| Peramunetilleke, Seth | Anup Kumar, Vihaan | 1-0 | C43 | 2025 NSW Open | 2025-06-09 |
| Peramunetilleke, Seth | Vincent, Alaina | 0-1 | B22 | 2025 NSW Open | 2025-06-07 |
| Seth Peramunetilleke | Oscar Gao | 1-0 | B22 | Round 9: Seth Peramunetilleke - Oscar Gao | 2024-01-20 |
| Seth Peramunetilleke | Jayden Ooi | 1/2-1/2 | C00 | Round 6: Seth Peramunetilleke - Jayden Ooi | 2024-01-18 |
| Seth Peramunetilleke | Anh Quan Nguyen | 0-1 | B22 | Round 3: Seth Peramunetilleke - Anh Quan Nguyen | 2024-01-14 |
| Seth Peramunetilleke | Dean Chen | 1-0 | B22 | Round 4: Seth Peramunetilleke - Dean Chen | 2024-01-14 |
| Seth Peramunetilleke | James Boyd-Norman | 1-0 | C45 | Round 1: Seth Peramunetilleke - James Boyd-Norman | 2024-01-13 |