Marc Kevin Goellner defeated Oliver Gross 6-2 7-5 in the Casablanca round of 32 on clay. The upset overturned the form book — Oliver Gross came in leading the head-to-head 2–0. Marc Kevin Goellner claimed a first win over Oliver Gross in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2003-04-28 | Munich | Q16 | clay | Oliver Gross | 2-6 7-6(8) 6-3 |
| 1998-01-19 | Australian Open | R128 | hard | Oliver Gross | 7-6 6-4 6-2 |
Averages over each player's completed matches in the selected window (123 vs 69). 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