Lubomira Bacheva defeated Svetlana Krivencheva 6-2 6-2 in the Sofia 25K round of 32 on clay. The upset overturned the form book — Svetlana Krivencheva came in leading the head-to-head 1–0, but Lubomira Bacheva had been the form player, winning 3 of their last 7 on clay. Lubomira Bacheva claimed a first win over Svetlana Krivencheva in two meetings, levelling the head-to-head at 1–1.
Bacheva L. took it in straight sets.
Lubomira Bacheva beat Svetlana Krivencheva 6-2 6-2. Umpiry, "Lubomira Bacheva vs Svetlana Krivencheva — Sofia 25K Round of 32", https://umpiry.com/match/1999-09-20/bacheva-vs-krivencheva-sofia-25k-r32?utm_source=cite (as of 20 September 1999).