Sebastien Grosjean defeated Jan Michael Gambill 1-6 6-3 6-3 in the Lyon round of 32 on clay. The result followed the form book — Sebastien Grosjean came in leading the head-to-head 5–0, defending last year's round of 32. Sebastien Grosjean extended the head-to-head to 6–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2004-06-21 | Wimbledon | R32 | grass | Sebastien Grosjean | 7-6(5) 6-3 6-2 |
| 2004-01-19 | Australian Open | R64 | hard | Sebastien Grosjean | 6-4 6-3 6-2 |
| 2003-09-29 | Tokyo | QF | hard | Sebastien Grosjean | 6-3 7-6(4) |
| 2002-05-13 | Hamburg Masters | R64 | clay | Sebastien Grosjean | 6-2 6-2 |
| 2000-01-03 | Adelaide | R16 | hard | Sebastien Grosjean | 3-6 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 (200 vs 200). ATP, WTA & Challenger.