Ilya Rudiukov defeated Mikel Aranzabal 7-6 7-5 in the M15 Nules 1 q64 on clay. The result followed the form book — Ilya Rudiukov came in leading the head-to-head 1–0. Ilya Rudiukov extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2021-10-25 | M15 Madrid 1 | Q32 | clay | Ilya Rudiukov | 6-0 1-6 10-6 |