Donald Young advanced when Jason Jung retired 5-7 7-5 1-0 in the Washington qualifying round 2. Donald Young claimed a first win over Jason Jung in four meetings, narrowing the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2020-01-20 | Australian Open | Q1 | hard | Jason Jung | 6-4 6-7 6-1 |
| 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 |
Averages over each player's completed matches in the selected window (140 vs 200). 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