Ti Chen defeated Mark Nielsen 6-4 6-2 in the Japan F6 semi-final on hard. The upset overturned the form book — Mark Nielsen came in leading the head-to-head 3–0. Ti Chen claimed a first win over Mark Nielsen in four meetings, narrowing the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2006-02-20 | Australia F2 | QF | hard | Mark Nielsen | 6-4 6-2 |
| 2005-10-10 | Australia F8 | SF | hard | Mark Nielsen | 6-0 6-2 |
| 2005-05-09 | Korea Rep F2 | QF | hard | Mark Nielsen | 4-6 6-3 7-6(5) |
Averages over each player's completed matches in the selected window (196 vs 3). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About