Vincent Knoess advanced when Imran Sibille retired 6-4 3-0 in the M15 Monastir 14 q64. Vincent Knoess claimed a first win over Imran Sibille in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2021-04-18 | M15 Monastir 14 | Q64 | hard | Imran Sibille | 6-1 6-3 |