20 games in the PremovedPrep archive. Games as White.
| White | Black | Result | ECO | Event | Date |
|---|---|---|---|---|---|
| Bollen, Guus | Thijssen, Freek | 1/2-1/2 | C24 | WLC Tournament 2024 A | 2024-06-02 |
| Bollen, Guus | Sazonov, Fedor | 1-0 | B23 | WLC Tournament 2024 A | 2024-06-01 |
| Bollen, Guus | Messaoudi, Nino | 1-0 | A14 | WLC Tournament 2024 A | 2024-05-31 |
| Guus Bollen | Khoi Pham | 0-1 | C24 | Round 8: Guus Bollen - Khoi Pham | 2023-08-02 |
| Guus Bollen | Emil Frederick Schuricht | 1-0 | B12 | Round 6: Guus Bollen - Emil Frederick Schuricht | 2023-07-31 |
| Guus Bollen | Stefan Beukema | 0-1 | C24 | Round 4: Guus Bollen - Stefan Beukema | 2023-07-28 |
| Guus Bollen | Sankalp Gupta | 0-1 | B20 | Round 2: Guus Bollen - Sankalp Gupta | 2023-07-26 |
| Bollen, Guus | Koster, Chiel | 1/2-1/2 | E63 | WLC Toernooi 2023 A | 2023-05-07 |
| Bollen, Guus | Van de Put, Jeroen | 1-0 | B23 | WLC Toernooi 2023 A | 2023-05-06 |
| Bollen, Guus | Auwens, Michel | 1-0 | C26 | WLC Toernooi 2023 A | 2023-05-05 |