Soichiro Moritani advanced when Connor Farren retired 6-0 3-0 in the Singapore F1 qualifying round.
Moritani S. advanced when Farren C. retired.
Soichiro Moritani beat Connor Farren 6-0 3-0 after Connor Farren retired. Umpiry, "Soichiro Moritani vs Connor Farren — Singapore F1 Qualifying Round", https://umpiry.com/match/2018-05-14/farren-vs-moritani-singapore-f1-qf?utm_source=cite (as of 14 May 2018).