Adria Engel advanced when Stephanie Chi retired 6-3 3-2 in the Oklahoma 10K qualifying round.
Engel A. advanced when Chi S. retired.
Adria Engel beat Stephanie Chi 6-3 3-2 after Stephanie Chi retired. Umpiry, "Adria Engel vs Stephanie Chi — Oklahoma 10K Qualifying Round", https://umpiry.com/match/1997-06-30/chi-vs-engel-oklahoma-10k-qf?utm_source=cite (as of 30 June 1997).