Irina Spirlea defeated Joannette Kruger 6-1 6-2 in the Tokyo round of 16 on hard. The result followed the form book — Irina Spirlea came in defending last year's round of 16. Irina Spirlea extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1998-08-03 | San Diego | R32 | hard | Joannette Kruger | 3-6 6-2 6-4 |
| 1997-01-13 | Australian Open | R64 | hard | Irina Spirlea | 6-1 6-1 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.