Kazusa Ito defeated Makiho Kozawa 6-4 6-2 in the Kyoto 10K semi-final on carpet. The upset overturned the form book — Makiho Kozawa came in leading the head-to-head 2–1. Kazusa Ito narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2013-05-06 | Fukuoka 50K | Q32 | grass | Makiho Kozawa | 6-2 6-1 |
| 2012-05-14 | Kurume 50K | Q16 | grass | Kazusa Ito | 4-6 7-5 6-4 |
| 2010-11-15 | Hyogo 10K | R16 | carpet | Makiho Kozawa | 7-5 4-6 6-1 |