Head to head
1
Hard
0
0
Clay
1
John Isner's wins on the left · Guido Pella's on the right · bar lengths share one scale
All meetings (2)
| 2019 | Indian Wells Masters | Hard | R32 | John Isner | 6-3 6-4 |
| 2016 | Rio de Janeiro | Clay | R32 | Guido Pella | 7-6(5) 5-7 7-6(8) |
Methodology
Head-to-head totals and surface splits exclude walkovers (no match was played), which follows ATP convention — walkover meetings still appear in the match list. The momentum chart plots the running lead across all counted meetings, oldest to newest.