Miguel Miranda defeated Federico Dondo 7-5 6-3 in the Argentina F4 round of 32 on clay. The upset overturned the form book — Federico Dondo came in leading the head-to-head 1–0, but Miguel Miranda had been the form player, winning 4 of their last 8 on clay. Miguel Miranda claimed a first win over Federico Dondo in two meetings, levelling the head-to-head at 1–1.
Miranda M. took it in straight sets.
Miguel Miranda beat Federico Dondo 7-5 6-3. Umpiry, "Miguel Miranda vs Federico Dondo — Argentina F4 Round of 32", https://umpiry.com/match/2000-05-08/dondo-vs-miranda-argentina-f4-r32?utm_source=cite (as of 8 May 2000).