Naoko Sawamatsu defeated Iva Majoli 7-5 6-7 6-1 in the Canadian Open round of 32 on hard. The upset overturned the form book — Iva Majoli came in leading the head-to-head 2–0, but Naoko Sawamatsu had been the form player, winning 2 of their last 4 on hard. Naoko Sawamatsu claimed a first win over Iva Majoli in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1998-04-25 | Fed Cup WG2 QF: CRO vs JPN | RR | clay | Iva Majoli | 6-2 6-3 |
| 1998-01-19 | Australian Open | R128 | hard | Iva Majoli | 6-4 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.