Jan Michael Gambill defeated Jens Knippschild 7-6 6-4 in the Hamburg qualifying round of 32 on clay.
Gambill J. took it in straight sets.
Jan Michael Gambill beat Jens Knippschild 7-6(3) 6-4. Umpiry, "Jan Michael Gambill vs Jens Knippschild — Hamburg Qualifying Round of 32", https://umpiry.com/match/2000-05-15/gambill-vs-knippschild-hamburg-q32?utm_source=cite (as of 15 May 2000).