Ivan Lendl advanced when Stefan Edberg retired 4-6 7-6 5-2 in the Australian Open final.
Lendl I. advanced when Edberg S. retired.
Ivan Lendl beat Stefan Edberg 4-6 7-6 5-2 after Stefan Edberg retired. Umpiry, "Ivan Lendl vs Stefan Edberg — Australian Open Final", https://umpiry.com/match/1990-01-15/edberg-vs-lendl-australian-open-f?utm_source=cite (as of 15 January 1990).