Head to head
2
Hard
1
1
Clay
0
John Isner's wins on the left · Marinko Matosevic's on the right · bar lengths share one scale
All meetings (4)
| 2015 | Delray Beach | Hard | R32 | Marinko Matosevic | 6-4 6-4 |
| 2014 | Cincinnati Masters | Hard | R32 | John Isner | 6-3 7-6(1) |
| 2014 | Atlanta | Hard | QF | John Isner | 7-6(8) 6-4 |
| 2014 | Madrid Masters | Clay | R32 | John Isner | 7-6(9) 6-7(5) 7-5 |
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.