Diego Schwartzman defeated Fabio Fognini 6-1 2-6 6-2 in the Vienna round of 32 on hard. The upset overturned the form book — Fabio Fognini came in defending last year's round of 32. Diego Schwartzman extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2021-10-25 | Vienna | R32 | hard | Diego Schwartzman | 6-2 7-5 |
| 2015-02-09 | Sao Paulo | R16 | clay | Fabio Fognini | 6-3 1-6 6-2 |
Averages from each player's recent completed matches (20 vs 20). ATP, WTA & Challenger.