Chin Wei Chan defeated Junri Namigata 6-3 6-4 in the Hamanako 10K semi-final on carpet. The upset overturned the form book — Junri Namigata came in leading the head-to-head 3–2. Chin Wei Chan narrowed the head-to-head to 3–3.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2013-07-08 | Beijing 75K | R32 | hard | Chin Wei Chan | 7-5 6-2 |
| 2012-04-09 | Wenshan 50K | R32 | hard | Junri Namigata | 6-3 3-6 7-6(7) |
| 2010-11-01 | Taipei 100K | R32 | carpet | Junri Namigata | 6-3 4-6 6-4 |
| 2006-05-08 | Fukuoka 50K | R16 | grass | Chin Wei Chan | 6-3 6-2 |
| 2005-06-06 | Seoul 25K | R16 | hard | Junri Namigata | 7-6(4) 6-4 |
Averages over each player's completed matches in the selected window (15 vs 200). 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