Oliver Gross defeated Marc Kevin Goellner 7-6 6-4 6-2 in the Australian Open round of 128 on hard. The upset overturned the form book — Marc Kevin Goellner came in defending last year's round of 64. Oliver Gross extended 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 |
| 1996-03-25 | Casablanca | R32 | clay | Marc Kevin Goellner | 6-2 7-5 |
Averages over each player's completed matches in the selected window (52 vs 67). 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