Haine Ogata defeated Ingrid Gamarra Martins 6-2 6-3 in the W15 Cancun 20 round of 16 on hard. The upset overturned the form book — Ingrid Gamarra Martins came in leading the head-to-head 1–0, but Haine Ogata had been the form player, winning 2 of their last 5 on hard. Haine Ogata claimed a first win over Ingrid Gamarra Martins in two meetings, levelling the head-to-head at 1–1.
Ogata H. took it in straight sets.
Haine Ogata beat Ingrid Gamarra Martins 6-2 6-3. Umpiry, "Haine Ogata vs Ingrid Gamarra Martins — W15 Cancun 20 Round of 16", https://umpiry.com/match/2019-08-22/martins-vs-ogata-w15-cancun-20-r16?utm_source=cite (as of 22 August 2019).