Roberta Vinci defeated Zi Yan 2-6 7-6 6-4 in the Tokyo qualifying round on hard.
Vinci R. came through in three sets.
Vinci R. and Yan Z. faced 2 of the same opponents in the last 12 months. Vinci R. went 0–2 (0%) against them, Yan Z. 1–1 (50%).
Only 2 common opponents — too few for any conclusion. Shown without assessment.
Roberta Vinci beat Zi Yan 2-6 7-6(1) 6-4. Umpiry, "Roberta Vinci vs Zi Yan — Tokyo Qualifying Round", https://umpiry.com/match/2007-01-29/vinci-vs-yan-tokyo-qf?utm_source=cite (as of 29 January 2007).