Stefan Koubek defeated Nicolas Lapentti 6-4 6-3 in the Canada Masters round of 64 on hard. The upset overturned the form book — Nicolas Lapentti came in leading the head-to-head 6–1. Stefan Koubek narrowed the head-to-head to 6–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2006-07-24 | Kitzbuhel | R16 | clay | Nicolas Lapentti | 6-3 6-3 |
| 2005-09-23 | Davis Cup WG PO: AUT vs ECU | RR | hard | Nicolas Lapentti | 5-7 4-6 6-4 7-6(5) 7-5 |
| 2003-07-14 | Stuttgart | R64 | grass | Nicolas Lapentti | 6-4 6-2 |
| 2002-04-22 | Barcelona | R64 | clay | Nicolas Lapentti | 6-4 6-0 |
| 2000-01-10 | Sydney | R16 | hard | Nicolas Lapentti | 4-6 6-0 6-4 |
| 1999-07-19 | Stuttgart Outdoor | R32 | clay | Nicolas Lapentti | 6-4 6-4 |
| 1997-07-21 | Kitzbuhel | R16 | clay | Stefan Koubek | 7-5 6-3 |
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 (200 vs 200). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About