Yannick Mertens defeated Elmar Ejupovic 6-3 7-6 in the Biel CH qualifying round 1 on hard. The upset overturned the form book — Elmar Ejupovic came in leading the head-to-head 1–0. Yannick Mertens claimed a first win over Elmar Ejupovic in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2021-05-14 | M15 Troisdorf 1 | QF | clay | Elmar Ejupovic | 6-2 6-1 |
Averages over each player's completed matches in the selected window (62 vs 200). 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