Stadium: Indoor 5 Round: 26 Ground: Hardcourt outdoor
| ITF Women Brisbane | 2017/09/26 01:25 | Momoko Kobori v Hozumi, Eri | 0-6,7-5,6-2 |
| Yokohama, Singles W-WITF-JPN-01B | 2018/03/07 05:30 | Hozumi, Eri v Chang, Kai-Chen | 7-6,5-7,6-4 |
| Perth, Simples W-WITF-AUS-05A | 2018/02/22 04:10 | Hozumi, Eri v Taylor, Gabriella | 3-6,3-6 |
| Perth, Simples W-WITF-AUS-05A | 2018/02/21 02:00 | Hozumi, Eri v Olivia Tjandramulia | 6-2,6-0 |
| Perth, Simples W-WITF-AUS-05A | 2018/02/15 03:50 | Hozumi, Eri v Katy Dunne | 4-6,1-6 |
| Perth, Simples W-WITF-AUS-05A | 2018/02/14 05:25 | Hozumi, Eri v Erika Sema | 6-3,5-7,6-1 |
| Taipei, Chinese Taipei, Qualifying | 2018/01/27 05:40 | Hozumi, Eri v Hiroko Kuwata | 1-6,6-7 |
| Australian Open Women Qual | 2018/01/11 02:30 | Tamara Zidansek v Hozumi, Eri | 6-3,6-3 |
| Auckland, New Zealand, Qualifying | 2017/12/30 00:10 | Soler-Espinosa, Silvia v Hozumi, Eri | 6-2,6-3 |
| Yokohama, Singles W-WITF-JPN-01B | 2018/03/07 03:20 | Momoko Kobori v Chloe Paquet | 2-6,6-1,6-4 |
| Yokohama, Singles Qualifying W-WITF-JPN-01B | 2018/03/05 01:00 | Momoko Kobori v Cheong, Naomi | 6-4,6-3 |
| Burnie, Qualifications Simples W-WITF-AUS-01C | 2018/01/29 00:00 | Momoko Kobori v Pivovarova, Anastasia | 0-6,3-6 |
| Burnie, Qualifications Simples W-WITF-AUS-01C | 2018/01/28 05:00 | Momoko Kobori v Nagi Hanatani | 6-0,6-4 |
| Burnie, Qualifications Simples W-WITF-AUS-01C | 2018/01/28 00:20 | Momoko Kobori v Woolcock, Belinda | 6-3,2-6,6-3 |
| Australian Open Women WC Qual | 2017/11/28 02:00 | Momoko Kobori v Sun, Xu Liu | 2-6,3-6 |
| Toyota, Singles W-WITF-JPN-02A | 2017/11/16 01:00 | Namigata, Junri v Momoko Kobori | 6-4,6-3 |
| Toyota, Singles W-WITF-JPN-02A | 2017/11/14 04:55 | Bukta, Agnes v Momoko Kobori | 1-6,5-7 |