Marta Marrero defeated Lubomira Bacheva 6-2 6-3 in the Sofia 25K final on clay. The upset overturned the form book — Lubomira Bacheva came in leading the head-to-head 1–0. Marta Marrero claimed a first win over Lubomira Bacheva in two meetings, levelling the head-to-head at 1–1.
Marrero M. took it in straight sets.
Marta Marrero beat Lubomira Bacheva 6-2 6-3. Umpiry, "Marta Marrero vs Lubomira Bacheva — Sofia 25K Final", https://umpiry.com/match/1999-09-20/bacheva-vs-marrero-sofia-25k-f?utm_source=cite (as of 20 September 1999).