Nungnadda Wannasuk defeated Ayu Fani Damayanti 6-4 6-4 in the Tarakan 25K round of 32 on hard. The upset overturned the form book — Ayu Fani Damayanti came in leading the head-to-head 4–2. Nungnadda Wannasuk narrowed the head-to-head to 4–3.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2013-06-24 | Bangkok 10K | SF | hard | Nungnadda Wannasuk | 6-3 6-4 |
| 2011-09-26 | Jakarta 25K | R16 | hard | Ayu Fani Damayanti | 6-4 6-1 |
| 2009-07-27 | Jakarta 10K | QF | hard | Ayu Fani Damayanti | 6-1 6-3 |
| 2009-06-08 | Bangkok 10K | SF | hard | Ayu Fani Damayanti | 6-4 3-6 6-1 |
| 2006-07-24 | Bangkok 10K | SF | hard | Nungnadda Wannasuk | 6-3 6-3 |
| 2006-07-17 | Bangkok 10K | R16 | hard | Ayu Fani Damayanti | 6-4 6-4 |