Karina Habsudova defeated Martina Hingis 4-6 7-5 6-4 in the Roland Garros round of 32 on clay. The upset overturned the form book — Martina Hingis came in leading the head-to-head 3–0, defending last year's round of 32. Karina Habsudova claimed a first win over Martina Hingis in four meetings, narrowing the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1999-03-18 | Key Biscayne | R64 | hard | Martina Hingis | 6-1 6-4 |
| 1998-05-25 | Roland Garros | R32 | clay | Martina Hingis | 6-3 6-2 |
| 1997-03-01 | Fed Cup WG2 QF: SVK vs SUI | RR | carpet | Martina Hingis | 6-2 6-0 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.