Mark Nielsen defeated Sebastian Fitz 6-4 3-6 6-1 in the USA F17C qualifying round on clay.
Nielsen M. came through in three sets.
Mark Nielsen beat Sebastian Fitz 6-4 3-6 6-1. Umpiry, "Mark Nielsen vs Sebastian Fitz — USA F17C Qualifying Round", https://umpiry.com/match/2001-07-09/fitz-vs-nielsen-usa-f17c-qf?utm_source=cite (as of 9 July 2001).