Tim Smyczek defeated Donald Young 1-6 7-6 6-2 in the Delray Beach round of 16 on hard. The upset overturned the form book — Donald Young came in leading the head-to-head 4–2, defending last year's final, but Tim Smyczek had been the form player, winning 4 of their last 6 on hard. Tim Smyczek narrowed the head-to-head to 4–3.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2017-07-31 | Washington | R64 | hard | Donald Young | 4-6 6-3 6-4 |
| 2017-07-24 | Atlanta | R32 | hard | Donald Young | 6-4 6-2 |
| 2016-08-01 | Atlanta | R16 | hard | Donald Young | 4-6 7-6 6-3 |
| 2016-04-04 | Houston | R16 | clay | Tim Smyczek | 6-2 6-4 |
| 2014-02-24 | Acapulco | Q2 | hard | Tim Smyczek | 6-2 3-0 |
| 2007-03-05 | USA F6 | R16 | hard | Donald Young | 6-1 6-4 |
Averages over each player's completed matches in the selected window (178 vs 200). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Young D.: 11 days rest · 2 matches (14d). Higher means fresher. About
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About