Martin Verkerk defeated Philipp Kohlschreiber 6-3 7-6 in the Munich qualifying round of 16 on clay. The upset overturned the form book — Philipp Kohlschreiber came in defending last year's round of 32, but Martin Verkerk had been the form player, winning 5 of their last 6 on clay.
Verkerk M. took it in straight sets.
Martin Verkerk beat Philipp Kohlschreiber 6-3 7-6(3). Umpiry, "Martin Verkerk vs Philipp Kohlschreiber — Munich Qualifying Round of 16", https://umpiry.com/match/2003-04-28/kohlschreiber-vs-verkerk-munich-q16?utm_source=cite (as of 28 April 2003).