Yi Chen defeated Ling Zhang 6-7 6-3 6-4 in the Incheon 25K round of 32 on hard. The upset overturned the form book — Ling Zhang came in leading the head-to-head 2–0. Yi Chen claimed a first win over Ling Zhang in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2007-03-05 | Hamilton 10K | R16 | hard | Ling Zhang | 6-3 6-2 |
| 2007-02-26 | Wellington 10K | QF | hard | Ling Zhang | 6-0 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.