12 games in the PremovedPrep archive. Games as White.
| White | Black | Result | ECO | Event | Date |
|---|---|---|---|---|---|
| Johannes, Firmino | TAM, CHON TENG EZRA | 0-1 | C01 | Round 11: Johannes, Firmino - TAM, CHON TENG EZRA | 2026-06-27 |
| Johannes, Firmino | Azimov, Azimkhan | 1/2-1/2 | B28 | Round 8: Johannes, Firmino - Azimov, Azimkhan | 2026-06-24 |
| Johannes, Firmino | Nel, Joshua | 0-1 | B13 | Round 5: Johannes, Firmino - Nel, Joshua | 2026-06-20 |
| Johannes, Firmino | Bae, Jaemin | 0-1 | C47 | Round 3: Johannes, Firmino - Bae, Jaemin | 2026-06-18 |
| Johannes, Firmino | Barsov, Mikhail | 0-1 | B23 | Round 1: Johannes, Firmino - Barsov, Mikhail | 2026-06-16 |
| Johannes, Firmino | Tjambiru, Kovandu | 0-1 | C46 | Round 1: Johannes, Firmino - Tjambiru, Kovandu | 2025-09-12 |