Andy Zingman defeated Federico Garcia Berro 7-6 6-2 in the Argentina 2 Masters 2 round of 32 on clay. The upset overturned the form book — Federico Garcia Berro came in leading the head-to-head 1–0, but Andy Zingman had been the form player, winning 2 of their last 5 on clay. Andy Zingman claimed a first win over Federico Garcia Berro in two meetings, levelling the head-to-head at 1–1.
Zingman A. took it in straight sets.
Andy Zingman beat Federico Garcia Berro 7-6 6-2. Umpiry, "Andy Zingman vs Federico Garcia Berro — Argentina 2 Masters 2 Round of 32", https://umpiry.com/match/1992-08-10/berro-vs-zingman-argentina-2-masters-2-r32?utm_source=cite (as of 10 August 1992).