Turning pro shortly after winning the NCAA individual title, Weiss scored tour singles match wins over at the time World No. 19 Tim Mayotte and No. 31 Karel Nováček both on grass courts in 1990, over World No. 6 Ivan Lendl and No. 21 Henrik Holm on hard courts in 1993, World No. 14 Boris Becker on hard courts in 1994, and most impressively over World No. 2 Stefan Edberg on hard courts in 1992.
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In addition to his Grand Prix event triumph in São Paulo in 1990, when he beat Jaime Yzaga in the final despite dropping the first set, Weiss took three Challenger event titles - Itu-São Paulo in November 1992; Palm Springs in 1993; and Granby in 1995.
Robbie Williams | Robbie Robertson | Robbie Coltrane | Robbie Mustoe | Peter Weiss | Robbie McEwen | Jack Weiss | Bill Weiss | Robbie McIntosh | Robbie Gee | Robbie Francevic | Robbie Fowler | Robbie Findley | Robbie E | Robbie Deans | Robbie Buck | Paul, Weiss, Rifkind, Wharton & Garrison | Larry Weiss | Jaime Robbie Reyne | Barry Weiss | Rot-Weiß Oberhausen | Rot-Weiss Essen | Robert K. Weiss | Robbie Ross | Robbie Nevil | Robbie Hummel | Robbie Fulks | Rainbow George Weiss | Michael T. Weiss | George Weiss |