Head to head
1
Hard
1
1
Clay
0
John Isner's wins on the left · Florian Mayer's on the right · bar lengths share one scale
All meetings (3)
| 2017 | Rome Masters | Clay | R32 | John Isner | 7-6(4) 7-6(4) |
| 2013 | Cincinnati Masters | Hard | R64 | John Isner | 6-3 6-4 |
| 2012 | Miami Masters | Hard | R32 | Florian Mayer | 6-4 6-2 |
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.