Elmar Ejupovic defeated Christopher Heyman 7-6 6-2 in the Poznan CH qualifying round 2 on clay. The upset overturned the form book — Christopher Heyman came in leading the head-to-head 2–0, but Elmar Ejupovic had been the form player, winning 7 of their last 9 on clay. Elmar Ejupovic claimed a first win over Christopher Heyman in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2018-01-22 | Germany F2 | R16 | carpet | Christopher Heyman | 7-5 7-6(4) |
| 2014-10-13 | Germany F16 | Q16 | carpet | Christopher Heyman | 7-6(3) 6-7(4) 6-1 |
Averages over each player's completed matches in the selected window (200 vs 83). 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