Wayne Black defeated Dejan Petrovic 7-5 7-6 in the Halle qualifying round of 32 on grass. The upset overturned the form book — Dejan Petrovic came in leading the head-to-head 1–0. Wayne Black claimed a first win over Dejan Petrovic in two meetings, levelling the head-to-head at 1–1.
Black W. took it in straight sets.
Wayne Black beat Dejan Petrovic 7-5 7-6(0). Umpiry, "Wayne Black vs Dejan Petrovic — Halle Qualifying Round of 32", https://umpiry.com/match/2001-06-11/black-vs-petrovic-halle-q32?utm_source=cite (as of 11 June 2001).