Clemens Trimmel defeated Ronald Dueller 6-3 6-4 in the Greece F6 round of 16 on hard.
Trimmel C. took it in straight sets.
Clemens Trimmel beat Ronald Dueller 6-3 6-4. Umpiry, "Clemens Trimmel vs Ronald Dueller — Greece F6 Round of 16", https://umpiry.com/match/1999-11-01/dueller-vs-trimmel-greece-f6-r16?utm_source=cite (as of 1 November 1999).