Brent Larkham defeated Robert Eriksson 6-0 6-1 in the Australia 3 Masters 2 round of 32 on clay. The upset overturned the form book — Robert Eriksson came in leading the head-to-head 2–1. That levelled the head-to-head at 2–2.
Larkham B. took it in straight sets.
Brent Larkham beat Robert Eriksson 6-0 6-1. Umpiry, "Brent Larkham vs Robert Eriksson — Australia 3 Masters 2 Round of 32", https://umpiry.com/match/1991-10-07/eriksson-vs-larkham-australia-3-masters-2-r32?utm_source=cite (as of 7 October 1991).