John Patrick Smith defeated Tennys Sandgren 6-4 7-6 in the Knoxville CH round of 32 on hard. The upset overturned the form book — Tennys Sandgren came in leading the head-to-head 2–1, defending last year's round of 16. John Patrick Smith narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2021-02-01 | Great Ocean Road Open | R64 | hard | Tennys Sandgren | 6-3 5-7 6-4 |
| 2012-04-30 | USA F11 | SF | clay | John Patrick Smith | 6-2 7-5 |
| 2012-04-16 | USA F10 | SF | hard | Tennys Sandgren | 6-4 7-5 |
Averages over each player's completed matches in the selected window (160 vs 200). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About