Olaf Pieczkowski defeated L. Rivera 4-6 6-3 6-4 in the M15 Heraklion 3 round of 16 on hard. The result followed the form book — Olaf Pieczkowski came in ranked #636, leading the head-to-head 1–0. Olaf Pieczkowski extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2025-01-07 | M15 Oslo 1 | R32 | hard | Olaf Pieczkowski | 7-5 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.