Darren Patten advanced when Sean Karam retired 2-1 in the Australia 1 Masters 1 qualifying round.
Patten D. advanced when Karam S. retired.
Darren Patten beat Sean Karam 2-1 after Sean Karam retired. Umpiry, "Darren Patten vs Sean Karam — Australia 1 Masters 1 Qualifying Round", https://umpiry.com/match/1991-02-10/karam-vs-patten-australia-1-masters-1-qf?utm_source=cite (as of 10 February 1991).