Head to head
1
Hard
0
1
Grass
0
John Isner's wins on the left · Jared Donaldson's on the right · bar lengths share one scale
All meetings (2)
| 2017 | Cincinnati Masters | Hard | QF | John Isner | 7-6(4) 7-5 |
| 2015 | Queen's Club | Grass | R32 | John Isner | 7-6(11) 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.