Conchita Martinez defeated Martina Hingis 7-5 6-4 in the Berlin semi-final on grass. The upset overturned the form book — Martina Hingis came in leading the head-to-head 11–0, defending the title. Conchita Martinez claimed a first win over Martina Hingis in 12 meetings, narrowing the head-to-head to 11–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2001-04-16 | Charleston | SF | clay | Martina Hingis | 6-2 6-2 |
| 2001-01-07 | Sydney | SF | hard | Martina Hingis | 6-3 6-2 |
| 2000-08-14 | Montreal | SF | hard | Martina Hingis | 6-3 6-2 |
| 2000-01-17 | Australian Open | SF | hard | Martina Hingis | 6-3 6-2 |
| 1999-03-29 | Hilton Head | R16 | clay | Martina Hingis | 7-5 6-1 |
| 1998-09-28 | Grand Slam Cup | QF | hard | Martina Hingis | 6-2 7-5 |
| 1998-09-19 | Fed Cup WG1 F: SUI vs ESP | RR | hard | Martina Hingis | 6-4 6-4 |
| 1998-03-05 | Indian Wells | QF | hard | Martina Hingis | 6-1 7-5 |
| 1998-01-19 | Australian Open | F | hard | Martina Hingis | 6-3 6-3 |
| 1997-07-28 | San Diego | QF | hard | Martina Hingis | 6-4 6-4 |
| 1997-07-21 | Stanford | F | hard | Martina Hingis | 6-0 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 (18 vs 84). ATP, WTA & Challenger.