Illya Marchenko defeated Jan Mertl 6-3 6-1 in the US Open qualifying round 2 on hard. Illya Marchenko extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2014-08-21 | US Open | Q64 | hard | Illya Marchenko | 6-3 6-1 |
| 2007-10-07 | Moscow | Q16 | hard | Jan Mertl | 6-7(6) 6-3 6-1 |
Averages over each player's completed matches in the selected window (200 vs 127). 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