Stadium: Court A3 Round: 62
| ITF Women Mildura | 2018/03/07 03:45 | Anastasia Berezov v Hiroko Kuwata | 6-4,3-6,6-4 |
| ITF Women Perth | 2018/02/21 04:55 | Hiroko Kuwata v Irina Khromacheva | 0-6,3-6 |
| ITF Women Perth | 2018/02/14 06:20 | Hiroko Kuwata v Katy Dunne | 3-6,5-7 |
| WTA Taipei Qual | 2018/01/28 04:45 | Hiroko Kuwata v Junri Namigata | 6-4,3-6,2-6 |
| WTA Taipei Qual | 2018/01/27 05:40 | Eri Hozumi v Hiroko Kuwata | 1-6,6-7 |
| ITF Women Hong Kong | 2018/01/06 02:00 | Ya-Hsuan Lee v Hiroko Kuwata | 6-4,6-4 |
| ITF Women Hong Kong | 2018/01/05 02:00 | Yuuki Tanaka v Hiroko Kuwata | 4-6,1-6 |
| ITF Women Hong Kong | 2018/01/04 02:00 | Risa Ushijima v Hiroko Kuwata | 2-6,0-6 |
| ITF Women Yokohama Qual | 2018/03/05 01:00 | Makoto Ninomiya v Misa Eguchi | 4-6,6-3,2-6 |
| ITF Women Yokohama Qual | 2018/03/04 02:30 | Miyabi Inoue v Makoto Ninomiya | 6-7,6-3,3-6 |
| ITF Women Tokyo | 2017/11/07 04:50 | Naomi Cheong v Makoto Ninomiya | 6-4,7-5 |
| ITF Women Liuzhou Qual | 2017/10/23 02:00 | Makoto Ninomiya v Yidi Yang | 5-7,3-6 |
| ITF Women Liuzhou Qual | 2017/10/22 03:30 | Makoto Ninomiya v Kwan Yau Ng | 6-3,6-2 |
| WTA Hong Kong Qual | 2017/10/07 03:30 | Miyu Kato v Makoto Ninomiya | 6-4,6-3 |
| WTA Tokyo Qual | 2017/09/16 04:40 | Magda Linette v Makoto Ninomiya | 6-2,4-6,6-4 |
| ITF Women Nonthaburi | 2017/08/09 05:00 | Makoto Ninomiya v Ksenia Palkina | 6-2,4-6,3-6 |