Su Wei Hsieh defeated Montinee Tangphong 7-5 6-0 in the Tsukuba 25K round of 16 on hard. The result followed the form book — Su Wei Hsieh came in leading the head-to-head 3–0. Su Wei Hsieh extended the head-to-head to 4–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-09-21 | Makinohara 25K | QF | carpet | Su Wei Hsieh | 6-2 6-1 |
| 2008-04-21 | Incheon 25K | R32 | hard | Su Wei Hsieh | 6-4 5-7 6-0 |
| 2004-07-12 | Gunma 25K | R32 | carpet | Su Wei Hsieh | 6-2 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.