Head to head
2
Hard
1
Michael Russell's wins on the left · Ivo Karlovic's on the right · bar lengths share one scale
All meetings (3)
| 2011 | Washington | Hard | R64 | Michael Russell | 6-4 7-6(4) |
| 2011 | Memphis | Hard | R32 | Michael Russell | 6-1 7-6(1) |
| 2007 | New Haven | Hard | R32 | Ivo Karlovic | 7-6(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.