Elena Likhovtseva defeated Nadia Petrova 6-4 6-7 7-5 in the Montreal round of 32 on hard. The upset overturned the form book — Nadia Petrova came in leading the head-to-head 4–2. Elena Likhovtseva narrowed the head-to-head to 4–3.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2006-10-09 | Moscow | R16 | hard | Nadia Petrova | 6-3 7-5 |
| 2005-10-03 | Filderstadt | R16 | hard | Nadia Petrova | 6-1 6-1 |
| 2004-10-25 | Linz | R16 | hard | Nadia Petrova | 6-2 5-7 6-3 |
| 2004-07-26 | San Diego | R64 | hard | Elena Likhovtseva | 6-4 1-6 6-4 |
| 2003-03-31 | Sarasota | R32 | clay | Nadia Petrova | 6-4 6-3 |
| 2001-08-27 | US Open | R64 | hard | Elena Likhovtseva | 6-4 2-6 6-4 |
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 (76 vs 200). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About