Petra Mandula defeated Svetlana Krivencheva 6-4 6-1 in the Puchheim 25K qualifying round on clay. The upset overturned the form book — Svetlana Krivencheva came in leading the head-to-head 1–0, but Petra Mandula had been the form player, winning 3 of their last 4 on clay. Petra Mandula claimed a first win over Svetlana Krivencheva in two meetings, levelling the head-to-head at 1–1.
Mandula P. took it in straight sets.
Petra Mandula beat Svetlana Krivencheva 6-4 6-1. Umpiry, "Petra Mandula vs Svetlana Krivencheva — Puchheim 25K Qualifying Round", https://umpiry.com/match/1999-07-12/krivencheva-vs-mandula-puchheim-25k-qf?utm_source=cite (as of 12 July 1999).