Jason Jung defeated Donald Young 6-3 6-7 7-5 in the US Open q128 on hard. The result followed the form book — Jason Jung came in leading the head-to-head 1–0. Jason Jung extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2020-01-14 | Australian Open | Q128 | hard | Jason Jung | 6-4 6-7(8) 6-1 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.