| ITF - Yokohama W25 | 11/11 01:00 | 27 | [452] Nagi Hanatani v Momoko Kobori [406] | 6-2,7-6 | |
| ITF - Yokohama W25 | 11/10 01:00 | 26 | Natsumi Kawaguchi v Momoko Kobori | 6-3,2-6,3-6 | |
| ITF - Yokohama W25 | 11/09 04:05 | 25 | [406] Momoko Kobori v Luksika Kumkhum [327] | 3-6,7-6,6-3 | |
| ITF - Hamamatsu W25 | 10/12 01:00 | 25 | Ikumi Yamazaki v Momoko Kobori | 1-6,7-5,6-3 | |
| ITF - Makinohara W25 | 10/04 04:45 | 25 | Momoko Kobori v Aoi Ito | 6-7,7-6,4-6 | |
| ITF - Nanao W25 | 10/02 01:00 | 29 | Haruka Kaji v Momoko Kobori | 3-6,6-3,6-3 | |
| ITF - Nanao W25 | 10/01 03:35 | 28 | [353] Sakura Hosogi v Momoko Kobori [468] | 4-6,4-6 | |
| ITF - Nanao W25 | 09/30 03:20 | 27 | [468] Momoko Kobori v Lulu Sun [255] | Retired | |
| ITF - Nanao W25 | 09/29 00:50 | 26 | Momoko Kobori v Ayumi Morita | 6-2,6-4 | |
| ITF - Nanao W25 | 09/28 01:00 | 25 | Momoko Kobori v Aoi Ito | 6-3,6-1 | |
| ITF - Darwin W25 | 09/23 07:35 | 27 | [422] Alexandra Bozovic v Momoko Kobori [495] | 6-3,7-5 | |
| ITF - Darwin W25 | 09/22 05:25 | 26 | Sarah-R Sekulic v Momoko Kobori | 5-7,2-6 | |
| ITF - Darwin W25 | 09/20 09:10 | 25 | Ramu Ueda v Momoko Kobori | 1-6,5-7 | |
| ITF - Darwin W25 | 09/16 05:30 | 27 | [494] Momoko Kobori v Naiktha Bains [414] | 5-7,6-7 | |
| ITF - Darwin W25 | 09/16 00:30 | 26 | Momoko Kobori v Anja Nayar | Walkover | |
| ITF - Darwin W25 | 09/13 06:55 | 25 | Momoko Kobori v Madison Frahn | 6-4,6-3 | |
| ITF - Goyang W25 | 08/26 03:25 | 27 | [346] Kyoka Okamura v Momoko Kobori [498] | 6-4,6-2 | |
| ITF - Goyang W25 | 08/25 11:55 | 26 | Dabin Kim v Momoko Kobori | 5-7,5-7 | |
| ITF - Goyang W25 | 08/23 00:50 | 25 | Yeong Won Jeong v Momoko Kobori | 1-6,0-6 | |
| ITF - Nur-Sultan W60 | 07/21 05:55 | 26 | [271] Momoko Kobori v Moyuka Uchijima [159] | 3-6,5-7 | |
| ITF - Nur-Sultan W60 | 07/20 05:00 | 25 | Dana Shakirova v Momoko Kobori | 0-6,2-6 | |
| ITF - Nur-Sultan W60 | 07/19 04:00 | 54 | Momoko Kobori v Polina Iatcenko | 6-1,6-4 | |
| ITF - Nur-Sultan W60 | 07/18 11:40 | 54 | Momoko Kobori v Zhanel Rustemova | 6-3,6-1 | |
| ITF - Nur-Sultan W25 | 07/13 05:35 | 25 | [236] Momoko Kobori v Mariam Bolkvadze [174] | 5-7,1-6 | |
| ITF - Gurugram W25 | 06/29 03:30 | 25 | Momoko Kobori v Ikumi Yamazaki | 3-6,2-6 | |
| ITF - Gurugram W25 | 06/23 05:30 | 26 | Anna Ukolova v Momoko Kobori | 6-2,6-4 | |
| ITF - Gurugram W25 | 06/22 08:00 | 25 | [498] Momoko Kobori v Luksika Kumkhum [422] | Retired | |
| ITF - Chiang Rai W25 | 06/11 03:00 | 28 | Momoko Kobori v Xinyu Gao | 3-6,1-6 | |
| ITF - Chiang Rai W25 | 06/10 04:00 | 27 | [290] Momoko Kobori v Chihiro Muramatsu [369] | 6-3,6-1 | |
| ITF - Chiang Rai W25 | 06/09 02:00 | 26 | Vaidehi Chaudhari v Momoko Kobori | 1-6,0-6 |