Els Callens defeated Yayuk Basuki 4-6 6-3 6-1 in the Roland Garros round of 128 on clay. The upset overturned the form book — Yayuk Basuki came in leading the head-to-head 1–0. Els Callens claimed a first win over Yayuk Basuki in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1997-02-17 | Hanover | R32 | carpet | Yayuk Basuki | 3-6 6-1 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.