Pak Long Yeung advanced when Hu Liu retired 6-2 3-0 in the M25 Luan 1 qualifying round of 16.
Long Yeung P. advanced when Liu H. retired.
Pak Long Yeung beat Hu Liu 6-2 3-0 after Hu Liu retired. Umpiry, "Pak Long Yeung vs Hu Liu — M25 Luan 1 Qualifying Round of 16", https://umpiry.com/match/2019-05-13/liu-vs-yeung-m25-luan-1-q16?utm_source=cite (as of 13 May 2019).