Ryan Harrison advanced when Donald Young retired 4-6 6-2 4-2 in the Acapulco round of 32. Ryan Harrison extended the head-to-head to 4–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2018-02-12 | New York | R32 | hard | Ryan Harrison | 6-3 7-6(4) |
| 2017-02-13 | Memphis | SF | hard | Ryan Harrison | 6-4 6-4 |
| 2016-10-03 | Tokyo | Q2 | hard | Ryan Harrison | 5-7 6-1 6-4 |
| 2014-04-07 | Houston | R32 | clay | Donald Young | 6-0 6-1 |
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Averages over each player's completed matches in the selected window (200 vs 200). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Young D.: 2 days rest · 1 match, 21 games (7d). Higher means fresher. About