Aaron James Williams defeated Oscar Galimardanov 6-2 6-2 in the M25 Kassel 1 q16 on clay. The upset overturned the form book — Oscar Galimardanov came in leading the head-to-head 1–0. Aaron James Williams claimed a first win over Oscar Galimardanov in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2024-07-21 | M15 Metzingen 1 | Q64 | clay | Oscar Galimardanov | 5-2 |