| WTA Hiroshima | 09/08 04:00 | 45 | [365] Mai Hontama v Miharu Imanishi [298] | 4-6,6-2,4-6 | |
| ITF W25 Kyoto | 09/04 04:25 | 25 | Miharu Imanishi v Ayumi Koshiishi | 3-6,4-6 | |
| ITF W25 Nanao | 08/27 03:55 | 25 | Miharu Imanishi v Tori Kinard | 3-6,6-7 | |
| ITF W25 Tsukuba | 08/21 00:30 | 25 | Miharu Imanishi v Yukina Saigo | 6-4,4-6,3-6 | |
| ITF W25 Saskatoon | 07/11 16:00 | 26 | [456] Olivia Tjandramulia v Miharu Imanishi [287] | Retired | |
| ITF W25 Saskatoon | 07/10 16:00 | 25 | [464] Nika Kukharchuk v Miharu Imanishi [287] | 3-6,6-2,1-6 | |
| ITF W25 Naiman | 06/27 02:00 | 26 | [275] Shuo Feng v Miharu Imanishi [295] | 6-2,6-1 | |
| ITF W25 Naiman | 06/26 04:20 | 25 | [497] Risa Ushijima v Miharu Imanishi [295] | 6-7,5-7 | |
| ITF W25 Jakarta | 06/21 02:00 | 27 | [293] Miharu Imanishi v Momoko Kobori [264] | 6-1,5-7,0-6 | |
| ITF W25 Jakarta | 06/20 03:00 | 26 | Miharu Imanishi v Yexin Ma | 7-5,6-2 | |
| ITF W25 Jakarta | 06/19 05:00 | 25 | Miharu Imanishi v Mio Kozaki | 6-1,6-0 | |
| ITF W25 Hong Kong | 05/30 07:05 | 25 | Yui Chikaraishi v Miharu Imanishi | 7-6,6-4 | |
| ITF W25 Karuizawa | 05/22 02:35 | 25 | Sakura Hondo v Miharu Imanishi | 6-3,2-6,6-2 | |
| ITF W60 Kurume | 05/16 02:25 | 26 | [178] Rebecca Marino v Miharu Imanishi [298] | 6-3,6-4 | |
| ITF W60 Kurume | 05/14 02:30 | 25 | [262] Risa Ozaki v Miharu Imanishi [298] | 3-6,1-6 | |
| ITF W60 Fukuoka | 05/08 05:15 | 25 | [155] En Shuo Liang v Miharu Imanishi [298] | 6-7,7-5,6-2 | |
| ITF W80 Gifu | 04/29 03:40 | 45 | [299] Miharu Imanishi v Akiko Omae [388] | Retired | |
| WTA Anning | 04/24 02:30 | 26 | [235] Alexandra Cadantu v Miharu Imanishi [299] | 1-6,6-1,6-1 | |
| WTA Anning | 04/23 02:30 | 25 | [299] Miharu Imanishi v Olga Doroshina [260] | 6-2,6-2 | |
| WTA Anning | 04/21 05:05 | 164 | [282] Miharu Imanishi v Alison Bai [347] | 6-3,6-3 | |
| WTA Anning | 04/20 04:30 | 64 | [282] Miharu Imanishi v Mai Hontama [364] | 6-0,6-2 | |
| ITF W25 Osaka | 04/09 01:00 | 25 | [282] Miharu Imanishi v Na-Lae Han [194] | 3-6,4-6 | |
| ITF W25 Canberra | 03/30 01:30 | 28 | [136] Priscilla Hon v Miharu Imanishi [306] | 6-2,6-4 | |
| ITF W25 Canberra | 03/29 03:00 | 27 | [306] Miharu Imanishi v Eri Hozumi [318] | 4-6,6-1,6-4 | |
| ITF W25 Canberra | 03/28 00:00 | 26 | [358] Tereza Mihalikova v Miharu Imanishi [306] | 3-6,3-6 | |
| ITF W25 Canberra | 03/27 02:40 | 25 | Gabriella Da Silva Fick v Miharu Imanishi | 3-6,5-7 | |
| ITF W25 Kofu | 03/22 03:50 | 27 | [326] Jing-Jing Lu v Miharu Imanishi [306] | 6-4,4-6,6-3 | |
| ITF W25 Kofu | 03/21 05:20 | 26 | [331] Tessah Andrianjafitrimo v Miharu Imanishi [306] | 5-7,4-6 | |
| ITF W25 Kofu | 03/20 01:00 | 25 | [306] Miharu Imanishi v Tara Moore [478] | 6-3,6-0 | |
| ITF W25 Kofu | 03/20 01:00 | 25 | Miharu Imanishi v Julia Glushko | Cancelled |