Alberto Martin defeated Philipp Kohlschreiber 6-3 6-2 in the Hamburg qualifying round of 32 on clay.
Martin A. took it in straight sets.
Alberto Martin beat Philipp Kohlschreiber 6-3 6-2. Umpiry, "Alberto Martin vs Philipp Kohlschreiber — Hamburg Qualifying Round of 32", https://umpiry.com/match/2001-05-14/kohlschreiber-vs-martin-hamburg-q32?utm_source=cite (as of 14 May 2001).