Head to head
3
Hard
2
1
Clay
0
John Isner's wins on the left · Roberto Bautista Agut's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (6)
| 2021 | Madrid Masters | Clay | R32 | John Isner | 6-4 6-7(4) 7-6(6) |
| 2021 | Miami Masters | Hard | R16 | Roberto Bautista Agut | 6-3 4-6 7-6(7) |
| 2019 | Miami Masters | Hard | QF | John Isner | 7-6(1) 7-6(5) |
| 2016 | Auckland | Hard | QF | Roberto Bautista Agut | 7-5 2-6 6-3 |
| 2014 | Auckland | Hard | SF | John Isner | 3-6 7-6(2) 6-4 |
| 2013 | Beijing | Hard | R16 | John Isner | 6-2 6-7(3) 6-4 |
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.