| 15.11.18 | 1/4 | Xinyun Han/Luksika Kumkhum | Momoko Kobori/Ayano Shimizu | 6-2, 6-4 |  | match details | Taipei | Alfombra |
| 13.11.18 | 1er ronda | Momoko Kobori/Ayano Shimizu | Kwan Yau Ng/Saisai Zheng | 2-6, 6-3, 10-3 |  | match details |
| 15.10.18 | 1/2 | Momoko Kobori/Ayano Shimizu | Emily Appleton/Julyette Steur | 6-3, 6-4 |  | match details | Hamamatsu | Alfombra |
| 15.10.18 | 1er ronda | Momoko Kobori/Ayano Shimizu | Hiromi Abe/Sakura Hosogi | 6-1, 6-2 |  | match details |
| 15.10.18 | fin | Erina Hayashi/Miharu Imanishi | Momoko Kobori/Ayano Shimizu | 7-5, 6-4 |  | match details |
| 15.10.18 | 1/4 | Momoko Kobori/Ayano Shimizu | Mana Ayukawa/Risa Ushijima | 6-2, 2-6, 10-6 |  | match details |
| 19.09.18 | 1er ronda | Miyu Kato/Makoto Ninomiya | Momoko Kobori/Ayano Shimizu | 6-4, 6-3 |  | match details | Tokyo | I. difícil |
| 12.09.18 | 1er ronda | Miharu Imanishi/Alicja Rosolska | Momoko Kobori/Ayano Shimizu | 3-6, 7-5, 12-10 |  | match details | Hiroshima | Difícil |
| 27.08.18 | 1/2 | Momoko Kobori/Ayano Shimizu | Miyabi Inoue/Akiko Omae | 6-1, 2-6, 14-12 |  | match details | Nanao | Alfombra |
| 27.08.18 | 1er ronda | Momoko Kobori/Ayano Shimizu | Minami Akiyama/Yu-Ting Hsieh | 6-0, 6-2 |  | match details |
| 27.08.18 | fin | Kanako Morisaki/Megumi Nishimoto | Momoko Kobori/Ayano Shimizu | 6-2, 6-3 |  | match details |
| 27.08.18 | 1/4 | Momoko Kobori/Ayano Shimizu | Ayumi Koshiishi/Ayumi Miyamoto | 6-2, 6-71, 10-1 |  | match details |
| 28.07.18 | 1/2 | Jing-Jing Lu/Xiaodi You | Momoko Kobori/Ayano Shimizu | 6-2, 7-62 |  | match details | Nanchang | Difícil |
| 26.07.18 | 1/4 | Momoko Kobori/Ayano Shimizu | Yingying Duan/Xinyun Han | 6-1, 1-6, 14-12 |  | match details |
| 25.07.18 | 1er ronda | Momoko Kobori/Ayano Shimizu | Jia-Jing Lu/Ankita Raina | 6-3, 4-6, 10-8 |  | match details |
| 09.07.18 | 1/2 | An-Sophie Mestach/Saisai Zheng | Momoko Kobori/Ayano Shimizu | 6-4, 6-2 |  | match details | Contrexeville | Arcilla |
| 09.07.18 | 1er ronda | Momoko Kobori/Ayano Shimizu | Marine Partaud/Laetitia Pulchartova | 6-4, 6-3 |  | match details |
| 09.07.18 | 1/4 | Momoko Kobori/Ayano Shimizu | Arantxa Rus/Renata Zarazua | 4-6, 6-4, 13-11 |  | match details |
| 02.07.18 | fin | Momoko Kobori/Ayano Shimizu | Quirine Lemoine/Eva Wacanno | 0-6, 7-5, 10-7 |  | match details | Denain | Arcilla |
| 02.07.18 | 1/4 | Momoko Kobori/Ayano Shimizu | Sarah Beth Grey/Olivia Nicholls | 6-2, 7-66 |  | match details |
| 02.07.18 | 1/2 | Momoko Kobori/Ayano Shimizu | Emily Arbuthnott/Helene Scholsen | 6-1, 6-4 |  | match details |
| 11.06.18 | 1/4 | Momoko Kobori/Ayano Shimizu | Sakura Hondo/Risa Ushijima | 6-2, 6-1 |  | match details | Kofu | Difícil |
| 11.06.18 | 1er ronda | Momoko Kobori/Ayano Shimizu | Mitsumi Kawasaki/Lisa-Marie Rioux | 6-2, 7-61 |  | match details |
| 11.06.18 | 1/2 | Megumi Nishimoto/Kotomi Takahata | Momoko Kobori/Ayano Shimizu | 4-6, 6-3, 10-6 |  | match details |
| 21.05.18 | 1/2 | Momoko Kobori/Ayano Shimizu | Megumi Nishimoto/Kotomi Takahata | 6-2, 6-3 |  | match details | Karuizawa | Alfombra |
| 21.05.18 | fin | Momoko Kobori/Ayano Shimizu | Chisa Hosonuma/Kanako Morisaki | 6-0, 6-3 |  | match details |
| 21.05.18 | 1er ronda | Momoko Kobori/Ayano Shimizu | Tara Moore/Caroline Werner | 7-5, 6-3 |  | match details |
| 21.05.18 | 1/4 | Momoko Kobori/Ayano Shimizu | Minami Akiyama/Suzuho Oshino | 6-2, 6-2 |  | match details |