Stadium: Court 3 Round: 27 Ground: Hardcourt outdoor
| WTA Indian Wells | 2018/02/27 20:10 | Misaki Doi v Varvara Lepchenko | 6-7,7-5,6-7 |
| WTA Indian Wells Qual | 2018/02/25 19:35 | Vera Lapko v Misaki Doi | 6-7,3-6 |
| WTA Indian Wells Qual | 2018/02/24 23:00 | Chiara Scholl v Misaki Doi | 1-6,0-6 |
| ITF Women Rancho Santa Fe | 2018/02/23 18:00 | Sachia Vickery v Misaki Doi | 6-3,6-2 |
| ITF Women Rancho Santa Fe | 2018/02/22 20:35 | Ingrid Neel v Misaki Doi | 4-6,2-6 |
| ITF Women Rancho Santa Fe | 2018/02/21 23:25 | Julia Boserup v Misaki Doi | 5-7,3-6 |
| ITF Women Surprise | 2018/02/16 17:00 | Marine Partaud v Misaki Doi | 6-2,2-6,7-5 |
| ITF Women Surprise | 2018/02/15 20:05 | Emina Bektas v Misaki Doi | 0-6,6-7 |
| ITF Women Toyota Qual | 2018/03/12 03:25 | Momoko Kobori v Ya-Hsuan Lee | 7-5,2-6,1-6 |
| ITF Women Toyota Qual | 2018/03/11 05:00 | Momoko Kobori v Yexin Ma | 5-7,7-5,6-0 |
| ITF Women Toyota Qual | 2018/03/10 08:00 | Momoko Kobori v Naomi Cheong | 6-0,6-0 |
| ITF Women Yokohama | 2018/03/09 05:30 | Momoko Kobori v Veronika Kudermetova | 6-2,3-6,2-6 |
| ITF Women Yokohama | 2018/03/08 04:50 | Eri Hozumi v Momoko Kobori | 7-6,3-6,4-6 |
| ITF Women Yokohama | 2018/03/07 03:20 | Momoko Kobori v Chloe Paquet | 2-6,6-1,6-4 |
| ITF Women Yokohama Qual | 2018/03/05 01:00 | Momoko Kobori v Naomi Cheong | 6-4,6-3 |
| ITF Women Burnie Qual | 2018/01/29 00:00 | Momoko Kobori v Anastasia Pivovarova | 0-6,3-6 |