Shuko Aoyama advanced when Anett Kontaveit retired 7-5 4-6 3-0 in the Sydney qualifying round 1.
Aoyama S. advanced when Kontaveit A. retired.
Aoyama S. and Kontaveit A. faced 2 of the same opponents in the last 12 months. Aoyama S. went 0–2 (0%) against them, Kontaveit A. 1–1 (50%).
Only 2 common opponents — too few for any conclusion. Shown without assessment.
Shuko Aoyama beat Anett Kontaveit 7-5 4-6 3-0 after Anett Kontaveit retired. Umpiry, "Shuko Aoyama vs Anett Kontaveit — Sydney Qualifying Round 1", https://umpiry.com/match/2018-01-08/aoyama-vs-kontaveit-sydney-q1?utm_source=cite (as of 8 January 2018).