Nils Langer defeated Marc Sieber 6-4 7-6 in the Germany F6 qualifying round on clay.
Langer N. took it in straight sets.
Nils Langer beat Marc Sieber 6-4 7-6(7). Umpiry, "Nils Langer vs Marc Sieber — Germany F6 Qualifying Round", https://umpiry.com/match/2009-06-15/langer-vs-sieber-germany-f6-qf?utm_source=cite (as of 15 June 2009).