Ronan Jachuck defeated Ying Hou 6-1 6-1 in the M25 Santo Domingo 1 q32 on hard. The result followed the form book — Ronan Jachuck came in leading the head-to-head 1–0. Ronan Jachuck extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2021-06-08 | M25 Santo Domingo 2 | Q32 | hard | Ronan Jachuck | 6-0 6-1 |