Sandrine Testud defeated Nathalie Tauziat 7-6 6-0 in the Tokyo quarter-final on hard. The upset overturned the form book — Nathalie Tauziat came in leading the head-to-head 3–2. Sandrine Testud narrowed the head-to-head to 3–3.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2001-10-15 | Zurich | QF | hard | Nathalie Tauziat | 7-6(4) 7-6(4) |
| 1999-10-25 | Linz | QF | hard | Sandrine Testud | 6-3 3-6 6-3 |
| 1999-10-11 | Zurich | R32 | hard | Nathalie Tauziat | 7-5 6-3 |
| 1999-03-05 | Indian Wells | R16 | hard | Sandrine Testud | 7-6 6-2 |
| 1997-06-23 | Wimbledon | R16 | grass | Nathalie Tauziat | 4-6 7-5 12-10 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.