Ayumi Miyamoto advanced when Mio Mushika retired 7-6 4-6 3-1 in the W15 Sapporo 1 quarter-final.
Miyamoto A. advanced when Mushika M. retired.
Ayumi Miyamoto beat Mio Mushika 7-6(4) 4-6 3-1 after Mio Mushika retired. Umpiry, "Ayumi Miyamoto vs Mio Mushika — W15 Sapporo 1 Quarter-final", https://umpiry.com/match/2023-07-28/miyamoto-vs-mushika-w15-sapporo-1-qf?utm_source=cite (as of 28 July 2023).