Igor Kunitsyn defeated Tommy Haas 5-7 6-4 6-4 in the Houston round of 32 on clay. The upset overturned the form book — Tommy Haas came in defending last year's quarter-final. Igor Kunitsyn extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2006-10-23 | St. Petersburg | R16 | carpet | Igor Kunitsyn | 7-6(4) 4-6 6-2 |
| 2006-01-30 | Delray Beach | R32 | hard | Tommy Haas | 7-6(4) 6-2 |
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Averages over each player's completed matches in the selected window (154 vs 200). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About