Stadium: Court 1 Round: 27
| ITF Japan F8 MD | 2018/06/13 05:25 | Kibi Y / Onozawa A v Kurita K / Uesugi T | 6-4,6-4 |
| ITF Japan F6 MD | 2018/04/11 04:45 | Ehara H / Katayama S v Kibi Y / Onozawa A | 6-3,6-2 |
| ITF Japan F1 MD | 2018/03/09 05:00 | Imai S / Niki T v Kibi Y / Onozawa A | 7-5,7-5 |
| ITF Japan F1 MD | 2018/03/08 08:55 | Kibi Y / Onozawa A v Kikuchi G / Takeshima S | 6-2,6-3 |
| ITF Japan F1 MD | 2018/03/06 07:45 | Kibi Y / Onozawa A v Mochizuki Y / Shimabukuro S | 6-4,6-1 |
| ITF China F12 MD | 2015/08/07 10:10 | Kibi Y / Onozawa A v Hsieh/Yang | 3-6,5-7 |
| ITF China F12 MD | 2015/08/06 12:10 | Katayama S / Sato B v Kibi Y / Onozawa A | 3-6,3-6 |
| ITF Japan F8 MD | 2018/06/12 04:00 | Sakai Y / Tanaka Y v Inui Y / Shirafuji N | 6-3,6-2 |
| ITF Japan F2 MD | 2018/03/12 05:25 | Nakagawa N / Shimizu Y v Sakai Y / Tanaka Y | 7-6,4-6,10-6 |
| ITF Japan F1 MD | 2018/03/06 06:30 | Imai S / Niki T v Sakai Y / Tanaka Y | 7-6,6-2 |
| ITF Hong Kong F6 MD | 2018/01/05 05:50 | Imai S / Niki T v Sakai Y / Tanaka Y | 6-2,3-6,4-10 |
| ITF Hong Kong F6 MD | 2018/01/04 07:15 | Murray J / Zhu M v Sakai Y / Tanaka Y | 6-2,4-6,5-10 |
| ITF Hong Kong F6 MD | 2018/01/03 05:50 | Sakai Y / Tanaka Y v Fukuda S / Moritani S | 6-4,7-6 |
| ITF Hong Kong F6 MD | 2018/01/01 03:25 | Sakai Y / Tanaka Y v Heliovaara H / Kwong M | 7-5,6-1 |
| ITF Japan F8 MD | 2017/06/17 04:00 | Sakai Y / Tanaka Y v Noguchi R / Shimizu Y | 6-3,6-2 |