Head to head
1
Hard
1
0
Grass
1
Leonardo Mayer's wins on the left · Denis Istomin's on the right · bar lengths share one scale
All meetings (3)
| 2015 | Nottingham | Grass | QF | Denis Istomin | 6-3 6-7(8) 7-6(6) |
| 2010 | Washington | Hard | R64 | Denis Istomin | 6-4 5-7 7-6(5) |
| 2009 | New Haven | Hard | R64 | Leonardo Mayer | 6-2 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.