Head to head
0
Hard
1
1
Clay
0
John Isner's wins on the left · Carlos Berlocq's on the right · bar lengths share one scale
All meetings (2)
| 2013 | Shanghai Masters | Hard | R32 | Carlos Berlocq | 6-4 7-6(4) |
| 2013 | Roland Garros | Clay | R128 | John Isner | 6-3 6-4 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.