Guido Pella defeated Pablo Carreno Busta 6-7 7-6 6-1 in the Davis Cup Finals QF: ARG vs ESP round robin on hard. The upset overturned the form book — Pablo Carreno Busta came in leading the head-to-head 3–0. Guido Pella claimed a first win over Pablo Carreno Busta in four meetings, narrowing the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2020-09-28 | Roland Garros | R64 | clay | Pablo Carreno Busta | 6-3 6-2 6-1 |
| 2019-08-26 | US Open | R128 | hard | Pablo Carreno Busta | 6-3 4-6 7-6(2) 6-3 |
| 2017-10-23 | Vienna | R32 | hard | Pablo Carreno Busta | 6-2 7-6(7) |
Averages from each player's recent completed matches (20 vs 18). ATP, WTA & Challenger.