Mark Nielsen defeated Alexander Schweizer 7-5 7-6 in the USA F17C round of 16 on clay.
Nielsen M. took it in straight sets.
Mark Nielsen beat Alexander Schweizer 7-5 7-6(1). Umpiry, "Mark Nielsen vs Alexander Schweizer — USA F17C Round of 16", https://umpiry.com/match/2001-07-09/nielsen-vs-schweizer-usa-f17c-r16?utm_source=cite (as of 9 July 2001).