Jae Sung An defeated Ti Chen 2-6 6-2 6-0 in the Korea Rep F1 qualifying round on hard. The upset overturned the form book — Ti Chen came in leading the head-to-head 4–0. Jae Sung An claimed a first win over Ti Chen in five meetings, narrowing the head-to-head to 4–1.
An J. came through in three sets.
Jae Sung An beat Ti Chen 2-6 6-2 6-0. Umpiry, "Jae Sung An vs Ti Chen — Korea Rep F1 Qualifying Round", https://umpiry.com/match/2007-04-23/an-vs-chen-korea-rep-f1-qf?utm_source=cite (as of 23 April 2007).