Gabriel Keymer defeated Miguel Miranda 6-0 6-7 6-0 in the Chile F1 round of 16 on clay. The upset overturned the form book — Miguel Miranda came in leading the head-to-head 1–0. Gabriel Keymer claimed a first win over Miguel Miranda in two meetings, levelling the head-to-head at 1–1.
Keymer G. came through in three sets.
Gabriel Keymer beat Miguel Miranda 6-0 6-7 6-0. Umpiry, "Gabriel Keymer vs Miguel Miranda — Chile F1 Round of 16", https://umpiry.com/match/1998-11-16/keymer-vs-miranda-chile-f1-r16?utm_source=cite (as of 16 November 1998).