Jason Jung defeated Daniel Kosakowski 5-7 6-3 6-2 in the USA F7 round of 32 on hard. Jason Jung extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2013-03-18 | USA F8 | R32 | hard | Jason Jung | 6-1 6-1 |
| 2012-09-10 | USA F24 | QF | hard | Daniel Kosakowski | 4-6 6-1 6-4 |
Averages over each player's completed matches in the selected window (200 vs 22). 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