Maria Persson defeated Olga Ivanova 6-2 7-6 in the Birmingham 10K qualifying round on hard. The upset overturned the form book — Olga Ivanova came in leading the head-to-head 1–0. Maria Persson claimed a first win over Olga Ivanova in two meetings, levelling the head-to-head at 1–1.
Persson M. took it in straight sets.
Maria Persson beat Olga Ivanova 6-2 7-6. Umpiry, "Maria Persson vs Olga Ivanova — Birmingham 10K Qualifying Round", https://umpiry.com/match/1998-02-10/ivanova-vs-persson-birmingham-10k-qf?utm_source=cite (as of 10 February 1998).