Heike Thoms defeated Katalin Miskolczi 7-5 3-6 7-6 in the Biel 10K round of 32 on clay. The upset overturned the form book — Katalin Miskolczi came in leading the head-to-head 1–0. Heike Thoms claimed a first win over Katalin Miskolczi in two meetings, levelling the head-to-head at 1–1.
Thoms H. came through in three sets.
Heike Thoms beat Katalin Miskolczi 7-5 3-6 7-6. Umpiry, "Heike Thoms vs Katalin Miskolczi — Biel 10K Round of 32", https://umpiry.com/match/1998-06-16/miskolczi-vs-thoms-biel-10k-r32?utm_source=cite (as of 16 June 1998).