Benjamin Winter Lopez defeated Marcel Zielinski 7-6 6-1 in the M15 Melilla 1 round of 16 on clay. The upset overturned the form book — Marcel Zielinski came in ranked #578, leading the head-to-head 1–0. Benjamin Winter Lopez claimed a first win over Marcel Zielinski in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2023-04-18 | M15 Telde 2 | R32 | clay | Marcel Zielinski | 3-6 6-2 6-4 |
Averages over each player's completed matches in the selected window (59 vs 79). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About