Julian Knowle defeated Jean Rene Lisnard 6-4 6-1 in the Hamburg qualifying round of 16 on clay. The upset overturned the form book — Jean Rene Lisnard came in leading the head-to-head 1–0. Julian Knowle claimed a first win over Jean Rene Lisnard in two meetings, levelling the head-to-head at 1–1.
Knowle J. took it in straight sets.
Julian Knowle beat Jean Rene Lisnard 6-4 6-1. Umpiry, "Julian Knowle vs Jean Rene Lisnard — Hamburg Qualifying Round of 16", https://umpiry.com/match/2004-05-10/knowle-vs-lisnard-hamburg-q16?utm_source=cite (as of 10 May 2004).