:* Round 1 — Lost to Stefan Edberg of Sweden (→ did not advance) Note: Edberg went on to take 1st place
Two days after his death, on July 5, 1991, in a Wimbledon semifinal, Stefan Edberg lost to Michael Stich 6-4, 6-7(5-7), 6-7(5-7), 6-7(2-7).
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.
Other first-rate players who have used the Pro Staff 85 Kevlar during their professional careers include Jimmy Connors, Jim Courier, Stefan Edberg, Chris Evert, Steffi Graf, Roger Federer, and Mary Pierce.
Stefan Edberg | Stefan Sagmeister | Stefan Lazarević | Stefan Zweig | Stefan Raab | Stefan Heym | Ştefan Voitec | Stefan Dennis | Stefan Żeromski | Stefan Wyszyński | Stefan Nemanja | Stefan Karlsson | Stefan Brockhoff | Stefan Aust | Adam Stefan Sapieha | Stefan Weisman | Ştefan Vodă | Stefan Skarbek | Stefan Simonsson | Stefan Olsson | Stefan Lorant | Stefan Lochner | Stefan Heidemann | Stefan Guzy | Stefan Gryff | Stefan Grossman | Stefan Everts | Stefan Danailov | Tadeusz Stefan Zieliński | Sveti Stefan |
In 1989, Zeeshan made the QF of a Challenger in Nigeria early in the year, and then qualified into tour events in Key Biscayne, Tokyo (where he beat Leif Shiras before losing to Stefan Edberg in R2), Singapore and London (Queen's Club).