
Jason Jung defeated Donald Young 6-4 6-7 6-1 in the Australian Open qualifying round 1 on hard. Jason Jung extended the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2019-08-26 | US Open | Q1 | hard | Jason Jung | 6-3 6-7 7-5 |
| 2019-07-22 | Atlanta | Q2 | hard | Jason Jung | 6-1 7-6 |
| 2018-07-30 | Washington | Q2 | hard | Donald Young | 5-7 7-5 1-0 |
Averages over each player's completed matches in the selected window (187 vs 72). 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