Andres Gomez defeated Michael Stich 6-4 6-3 3-6 7-6 in the Australian Open round of 32 on hard.
Gomez A. came through in four sets.
Andres Gomez beat Michael Stich 6-4 6-3 3-6 7-6. Umpiry, "Andres Gomez vs Michael Stich — Australian Open Round of 32", https://umpiry.com/match/1990-01-15/gomez-vs-stich-australian-open-r32?utm_source=cite (as of 15 January 1990).