Scott Duncan defeated Mattias Southcombe 6-2 7-6 in the M25 Glasgow 1 q32 on hard. The result followed the form book — Scott Duncan came in leading the head-to-head 1–0. Scott Duncan extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2021-10-10 | M15 Sozopol 3 | Q64 | hard | Scott Duncan | 7-5 6-3 |