| ITF Women Hamamatsu | 10/17 04:05 | 25 | [474] Kanako Morisaki v Miharu Imanishi [323] | 2-6,2-6 | |
| ITF Women Makinohara | 10/11 00:30 | 26 | Susan Bandecchi v Miharu Imanishi | 6-3,6-4 | |
| ITF Women Makinohara | 10/10 02:25 | 25 | Ari Matsumoto v Miharu Imanishi | 4-6,2-6 | |
| ITF Women Obidos | 10/02 11:30 | 25 | [307] Miharu Imanishi v Gaia Sanesi [397] | 5-7,6-7 | |
| ITF Women Obidos | 09/26 10:00 | 25 | [305] Miharu Imanishi v Urszula Radwanska [371] | 4-6,2-6 | |
| WTA Tokyo | 09/15 10:45 | 45 | [11] Gabriela Dabrowski v Miharu Imanishi [286] | 6-3,6-2 | |
| WTA Tokyo | 09/15 06:30 | - | Anastasia Rodionova v Miharu Imanishi | Cancelled | |
| WTA Hiroshima | 09/09 07:40 | 45 | [361] Urszula Radwanska v Miharu Imanishi [261] | 7-6,6-1 | |
| ITF Women Nanao | 08/30 03:00 | 26 | Mai Hontama v Miharu Imanishi | 7-6,5-7,6-2 | |
| ITF Women Nanao | 08/29 03:30 | 25 | [383] Megumi Nishimoto v Miharu Imanishi [261] | 7-5,4-6,2-6 | |
| ITF Women Tsukuba | 08/22 03:20 | 25 | Mai Hontama v Miharu Imanishi | 6-1,6-0 | |
| Wimbledon Women Qual | 06/26 13:20 | 44 | [92] Dalila Jakupovic v Miharu Imanishi [196] | 6-2,6-2 | |
| ITF Women Ilkley Qual | 06/19 10:00 | 54 | [188] Miharu Imanishi v Maria Sanchez [251] | 2-6,7-5,2-6 | |
| ITF Women Ilkley Qual | 06/18 11:00 | 54 | Miharu Imanishi v Eden Silva | 6-3,6-3 | |
| ITF Women Ilkley Qual | 06/17 13:35 | 54 | [189] Miharu Imanishi v Sophie Chang [276] | 7-6,6-4 | |
| WTA Nottingham Qual | 06/09 13:45 | 45 | [187] Miharu Imanishi v Tara Moore [423] | 2-6,3-6 | |
| French Open Women Qual | 05/22 13:40 | 44 | [188] Miharu Imanishi v Richel Hogenkamp [134] | 2-6,0-6 | |
| ITF Women Fukuoka | 05/09 05:30 | 25 | Miharu Imanishi v Misa Eguchi | Cancelled | |
| ITF Women Gifu | 05/04 01:00 | 27 | [127] Nao Hibino v Miharu Imanishi [197] | 2-6,7-6,6-1 | |
| ITF Women Gifu | 05/03 03:35 | 26 | [322] Ling Zhang v Miharu Imanishi [197] | 6-4,4-6,4-6 | |
| ITF Women Gifu | 05/01 01:00 | 25 | [407] Misa Eguchi v Miharu Imanishi [197] | 6-4,3-6,3-6 | |
| ITF Women Quanzhou | 04/24 03:20 | 25 | [134] Naomi Broady v Miharu Imanishi [194] | 6-3,6-2 | |
| WTA Zhengzhou | 04/19 03:00 | 26 | [195] Miharu Imanishi v Lin Zhu [129] | 1-6,3-6 | |
| WTA Zhengzhou | 04/17 05:20 | 25 | [195] Miharu Imanishi v Vitalia Diatchenko [174] | 6-4,7-5 | |
| WTA Bogota Qual | 04/07 15:00 | 45 | [296] Victoria Rodriguez v Miharu Imanishi [194] | 6-0,6-2 | |
| WTA Monterrey Qual | 03/31 17:55 | 45 | [194] Miharu Imanishi v Andrea Gamiz [247] | 6-7,6-4,4-6 | |
| ITF Women Toyota | 03/14 01:00 | 25 | Miharu Imanishi v Rika Fujiwara | 3-6,4-6 | |
| ITF Women Yokohama | 03/07 01:00 | 25 | Miharu Imanishi v Katherine Sebov | 6-2,3-6,2-6 | |
| ITF Women Perth | 02/21 02:00 | 25 | Miharu Imanishi v Katy Dunne | 3-6,1-6 | |
| ITF Women Perth | 02/14 02:00 | 25 | Miharu Imanishi v Riko Sawayanagi | Retired |