44 games in the PremovedPrep archive. Games as White.
| White | Black | Result | ECO | Event | Date |
|---|---|---|---|---|---|
| Gijsen, William | Walek, Petr | 0-1 | C26 | Open Letnà Praha 2026 | 2026-08-14 |
| Gijsen, William | Biernacki, Mark | 1-0 | B43 | Open Letnà Praha 2026 | 2026-08-13 |
| Gijsen, William | Signorelli, Gaetano | 1/2-1/2 | B10 | Open Letnà Praha 2026 | 2026-08-11 |
| Gijsen, William | Jouja, Matyas | 1/2-1/2 | C29 | Open Letnà Praha 2026 | 2026-08-09 |
| Gijsen, William | Markina, Sofiia | 1-0 | D31 | Open Letnà Praha 2026 | 2026-08-07 |
| Gijsen, William | De Winter, Arthur | 0-1 | B56 | Round 4: Gijsen, William - De Winter, Arthur | 2026-02-21 |
| Gijsen, William |  Bram Van Der Velden | 1-0 | D30 | 3.1: Gijsen, William -  Bram Van Der Velden | 2025-09-13 |
| Gijsen, William | Meulmeester, Luuk | 1/2-1/2 | D55 | 3.3: Gijsen, William - Meulmeester, Luuk | 2025-09-13 |
| Gijsen, William | Kazarian, Anna-Maja | 1-0 | D30 | 3.5: Gijsen, William - Kazarian, Anna-Maja | 2025-09-13 |
| Gijsen, William | Ritzerveld, Noah | 0-1 | D10 | Round 2: Gijsen, William - Ritzerveld, Noah | 2025-09-13 |
| Gijsen, William | Dinanath, Hrdya | 1-0 | C29 | Round 4: Gijsen, William - Dinanath, Hrdya | 2025-09-13 |
| Gijsen, William |  Michiel Van Wissen | 0-1 | B33 | Round 7: Gijsen, William -  Michiel Van Wissen | 2025-09-13 |
| Gijsen, William | IJzermans, Cees | 0-1 | B01 | Round 9: Gijsen, William - IJzermans, Cees | 2025-09-13 |
| Gijsen, William |  Joel Van Der Werf | 0-1 | B33 | Round 11: Gijsen, William -  Joel Van Der Werf | 2025-09-13 |
| Gijsen, William | Van den Doel, Erik | 0-1 | C42 | Round 1: Gijsen, William - Van den Doel, Erik | 2024-03-30 |
| Gijsen, William | Tiggelman, Rene | 1/2-1/2 | C00 | Round 5: Gijsen, William - Tiggelman, Rene | 2024-03-30 |
| Gijsen, William | Mach, Petr | 1-0 | C12 | Prague Open | Czech Tour | 2023-01-13 |
| Gijsen, William | Mitusov, Semen | 0-1 | C28 | Prague Open | Czech Tour | 2023-01-09 |
| Gijsen, William | Soucek, Petr | 1-0 | C29 | Prague Open | Czech Tour | 2023-01-07 |
| William Gijsen | Tim Lammens | 1/2-1/2 | B12 | Round 9: William Gijsen - Tim Lammens | 2022-08-13 |
| William Gijsen | Rembrandt Bruil | 1-0 | B90 | Round 7: William Gijsen - Rembrandt Bruil | 2022-08-11 |
| William Gijsen | Erik Van den Doel | 0-1 | C29 | Round 2: William Gijsen - Erik Van den Doel | 2022-08-07 |