Donald Young advanced when Jason Jung retired 5-7 7-5 1-0 in the Washington qualifying round of 16.
Young D. advanced when Jung J. retired.
Donald Young beat Jason Jung 5-7 7-5 1-0 after Jason Jung retired. Umpiry, "Donald Young vs Jason Jung — Washington Qualifying Round of 16", https://umpiry.com/match/2018-07-29/jung-vs-young-washington-q16?utm_source=cite (as of 29 July 2018).