Mark Greenan defeated Jeff Chiang 4-6 6-1 6-3 in the Canada Masters 3 round of 32 on carpet. The upset overturned the form book — Jeff Chiang came in leading the head-to-head 1–0. Mark Greenan claimed a first win over Jeff Chiang in two meetings, levelling the head-to-head at 1–1.
Greenan M. came through in three sets.
Carpet: Greenan M. leads 1–0 · Clay: Chiang J. leads 1–0
Mark Greenan beat Jeff Chiang 4-6 6-1 6-3. Umpiry, "Mark Greenan vs Jeff Chiang — Canada Masters 3 Round of 32", https://umpiry.com/match/1992-10-12/chiang-vs-greenan-canada-masters-3-r32?utm_source=cite (as of 12 October 1992).