Head to head
1
Hard
1
Igor Andreev's wins on the left · John Isner's on the right · bar lengths share one scale
All meetings (2)
| 2011 | Miami Masters | Hard | R64 | John Isner | 6-4 5-7 7-6(2) |
| 2008 | Cincinnati Masters | Hard | R32 | Igor Andreev | 3-6 7-6(8) 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.