Tennys Sandgren defeated Jeremy Chardy 6-4 7-6 6-2 in the Australian Open round of 128 on hard. The upset overturned the form book — Jeremy Chardy came in defending last year's round of 64. Tennys Sandgren extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2021-08-16 | Cincinnati Masters | Q1 | hard | Tennys Sandgren | 7-6(6) 6-1 |
| 2021-05-24 | Belgrade 2 | R32 | clay | Jeremy Chardy | 6-4 6-2 |
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 171). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About