M. Thomson defeated Joaquin Guilleme 6-2 6-2 in the M15 Winston-Salem 1 round of 32 on hard. The result followed the form book — M. Thomson came in leading the head-to-head 1–0. M. Thomson extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2025-06-10 | M25 Santo Domingo 4 | Q16 | hard | M. Thomson | 6-2 6-3 |