Simon Greul defeated Jan Vacek 2-6 7-6 6-3 in the Germany F10 round of 16 on clay. The upset overturned the form book — Jan Vacek came in leading the head-to-head 1–0. Simon Greul claimed a first win over Jan Vacek in two meetings, levelling the head-to-head at 1–1.
Greul S. came through in three sets.
Simon Greul beat Jan Vacek 2-6 7-6(6) 6-3. Umpiry, "Simon Greul vs Jan Vacek — Germany F10 Round of 16", https://umpiry.com/match/2000-07-31/greul-vs-vacek-germany-f10-r16?utm_source=cite (as of 31 July 2000).