| ITF Women Toowoomba | 10/04 03:35 | 25 | [338] Yuuki Tanaka v Momoko Kobori [435] | 2-6,4-6 | |
| ITF Women Brisbane | 09/28 02:35 | 26 | [440] Zoe Hives v Momoko Kobori [429] | 6-3,6-1 | |
| ITF Women Brisbane | 09/26 01:25 | 25 | [429] Momoko Kobori v Eri Hozumi [186] | 0-6,7-5,6-2 | |
| WTA Tokyo Qual | 09/16 03:00 | 45 | [436] Momoko Kobori v Kateryna Bondarenko [133] | 4-6,4-6 | |
| ITF Women Nanao | 08/30 02:10 | 25 | Lauren Albanese v Momoko Kobori | 7-6,6-4 | |
| ITF Women Tsukuba | 08/25 00:40 | 27 | [336] Yuuki Tanaka v Momoko Kobori [415] | 6-1,6-3 | |
| ITF Women Tsukuba | 08/24 00:40 | 26 | [374] Nudnida Luangnam v Momoko Kobori [415] | 3-6,7-6,3-6 | |
| ITF Women Tsukuba | 08/22 00:40 | 25 | [415] Momoko Kobori v Katy Dunne [286] | 1-6,6-2,6-2 | |
| ITF Women Denain | 07/03 13:30 | 25 | [431] Momoko Kobori v Audrey Albie [414] | 5-7,6-4,3-6 | |
| ITF Women Perigueux | 06/28 10:00 | 26 | [424] Momoko Kobori v Olga Saez Larra [232] | 2-6,3-6 | |
| ITF Women Perigueux | 06/27 11:45 | 25 | [424] Momoko Kobori v Margot Yerolymos [459] | 2-6,6-3,6-4 | |
| ITF Women Montpellier Qual | 06/18 09:25 | 54 | [423] Momoko Kobori v Victoria Muntean [436] | 6-7,4-6 | |
| ITF Women Montpellier Qual | 06/17 07:30 | 54 | Momoko Kobori v Alice Tubello | 5-7,6-3,6-1 | |
| ITF Women Tokyo | 06/06 02:45 | 25 | [335] Yuuki Tanaka v Momoko Kobori [499] | 6-3,6-3 | |
| ITF Women Tokyo Qual | 06/05 01:00 | 54 | Momoko Kobori v Kwan Yau Ng | 6-1,6-1 | |
| ITF Women Tokyo Qual | 06/04 02:15 | 54 | Momoko Kobori v Suzuho Oshino | 5-7,6-2,6-3 | |
| ITF Women Karuizawa | 05/27 04:05 | 28 | [492] Momoko Kobori v Ayano Shimizu [290] | 1-6,1-6 | |
| ITF Women Karuizawa | 05/26 03:35 | 27 | Momoko Kobori v Ellen Allgurin | 6-4,6-4 | |
| ITF Women Karuizawa | 05/26 01:00 | 26 | Momoko Kobori v Nagi Hanatani | 6-4,6-4 | |
| ITF Women Karuizawa | 05/23 01:00 | 25 | Momoko Kobori v Michika Ozeki | 6-2,6-7,6-3 | |
| ITF Women Kurume | 05/17 02:50 | 25 | [494] Momoko Kobori v Laura Robson [218] | 3-6,5-7 | |
| ITF Women Fukuoka | 05/09 01:00 | 25 | [497] Momoko Kobori v Varatchaya Wongteanchai [293] | 1-6,4-6 | |
| ITF Women Gifu | 05/03 05:10 | 25 | Momoko Kobori v Jia-Qi Kang | 1-6,3-6 | |
| ITF Women Gifu Qual | 05/01 03:00 | 54 | Momoko Kobori v Mai Minokoshi | 3-6,6-3,7-5 | |
| ITF Women Gifu Qual | 04/30 05:50 | 54 | Katy Dunne v Momoko Kobori | 3-6,4-6 | |
| ITF Women Gifu Qual | 04/30 01:00 | 54 | Suzuka Takoi v Momoko Kobori | 4-6,3-6 | |
| ITF Women Kashiwa | 04/07 04:30 | 27 | Luksika Kumkhum v Momoko Kobori | 6-4,7-6 | |
| ITF Women Kashiwa | 04/06 01:00 | 26 | Momoko Kobori v Haruka Kaji | 6-3,7-6 | |
| ITF Women Kashiwa | 04/04 03:05 | 25 | Nicha Lertpitaksinchai v Momoko Kobori | 2-6,3-6 | |
| ITF Women Kashiwa Qual | 04/03 01:50 | 54 | Pei-Chi Lee v Momoko Kobori | 4-6,4-6 |