| event | round | table | player one | result | player two |
| Strixhaven Championship | 5 | 52 | Merkel, Jan-Moritz (1995) | Lost 0-2 | Moreira, Joao (1852) |
| 2021 Challenger Gauntlet | 5 | 5 | Merkel, Jan-Moritz (1951) | Lost 0-2 | Moreira, Joao (1867) |
| 2021 Challenger Gauntlet | 9 | 5 | Merkel, Jan-Moritz (1941) | Won 2-0 | Moreira, Joao (1918) |