Mark Nielsen defeated Ti Chen 4-6 6-3 7-6 in the Korea Rep F2 qualifying round on hard. The upset overturned the form book — Ti Chen came in leading the head-to-head 1–0, but Mark Nielsen had been the form player, winning 2 of their last 4 on hard. Mark Nielsen claimed a first win over Ti Chen in two meetings, levelling the head-to-head at 1–1.
Nielsen M. came through in three sets.
Nielsen M. and Chen T. faced 1 of the same opponent in the last 12 months. Nielsen M. went 1–0 (100%) against them, Chen T. 0–1 (0%).
Only 1 common opponent — too few for any conclusion. Shown without assessment.
Mark Nielsen beat Ti Chen 4-6 6-3 7-6(5). Umpiry, "Mark Nielsen vs Ti Chen — Korea Rep F2 Qualifying Round", https://umpiry.com/match/2005-05-09/chen-vs-nielsen-korea-rep-f2-qf?utm_source=cite (as of 9 May 2005).