| ITF Women Liuzhou | 10/25 02:00 | 25 | [126] Kato, Miyu v Hanyu Guo [278] | 7-5,6-1 | |
| Suzhou, Simples W-WITF-CHN-16A | 10/18 03:45 | 25 | Zhang, Yuxuan v Kato, Miyu | 6-4,1-6,7-6 | |
| WTA Hong Kong | 10/10 07:00 | 25 | [126] Kato, Miyu v Gavrilova, Daria [22] | 1-6,6-7 | |
| WTA Hong Kong Qual | 10/08 03:50 | 46 | [126] Kato, Miyu v Jia-Jing Lu [269] | 6-4,6-3 | |
| WTA Hong Kong Qual | 10/07 03:30 | 45 | [126] Kato, Miyu v Ninomiya, Makoto [44] | 6-4,6-3 | |
| WTA Tokyo | 09/17 06:00 | 29 | [171] Kato, Miyu v Zarina Diyas [100] | 2-6,5-7 | |
| WTA Tokyo Qual | 09/17 02:15 | 45 | Kato, Miyu v Rosolska, Alicja | Cancelled | |
| WTA Tokyo | 09/16 10:30 | 28 | [123] Jana Fett v Kato, Miyu [171] | 6-4,6-7,4-6 | |
| WTA Tokyo | 09/15 05:50 | 27 | [171] Kato, Miyu v Aleksandra Krunic [67] | 6-1,6-3 | |
| WTA Tokyo | 09/13 04:50 | 26 | [44] Pliskova, Kristyna v Kato, Miyu [171] | 5-7,3-6 | |
| WTA Tokyo | 09/12 05:30 | 25 | [171] Kato, Miyu v Nao Hibino [71] | 6-3,6-4 | |
| WTA Tokyo Qual | 09/11 02:00 | 54 | [179] Kato, Miyu v Magdalena Frech [216] | 6-3,2-6,7-6 | |
| WTA Tokyo Qual | 09/10 06:05 | 46 | [179] Kato, Miyu v Basak Eraydin [173] | 6-3,6-0 | |
| WTA Tokyo Qual | 09/09 07:15 | 45 | [114] Ahn, Kristie v Kato, Miyu [179] | 6-7,6-4,4-6 | |
| US Open Women Qual | 08/25 17:00 | 46 | [197] Rebecca Peterson v Kato, Miyu [179] | 6-7,6-3,6-4 | |
| US Open Women Qual | 08/24 20:25 | 45 | [179] Kato, Miyu v Jasmine Paolini [132] | 6-4,6-0 | |
| US Open Women Qual | 08/23 22:10 | 44 | [265] Jia-Jing Lu v Kato, Miyu [179] | 6-3,3-6,3-6 | |
| ITF Women Vancouver Qual | 08/15 17:00 | 54 | [168] Hozumi, Eri v Kato, Miyu [178] | 7-5,6-4 | |
| ITF Women Vancouver Qual | 08/14 17:25 | 54 | [128] Weinhold, Ashley v Kato, Miyu [178] | 1-6,2-6 | |
| ITF Women Vancouver Qual | 08/13 21:20 | 54 | [393] Sanchez, Maria v Kato, Miyu [177] | 2-6,3-6 | |
| WTA Toronto Qual | 08/05 14:00 | 44 | [38] Irina-Camelia Begu v Kato, Miyu [165] | 6-3,6-4 | |
| WTA Stanford Qual | 07/30 19:00 | 26 | [242] Lao, Danielle v Kato, Miyu [167] | 6-1,6-2 | |
| Nanchang, Chine | 07/25 09:00 | 25 | [167] Kato, Miyu v Yafan Wang [147] | 1-6,4-6 | |
| Wimbledon Women Qual | 06/29 10:00 | 45 | [173] Kato, Miyu v Muhammad, Asia [131] | 1-6,6-1,2-6 | |
| Wimbledon Women Qual | 06/28 10:55 | 44 | [173] Kato, Miyu v Amandine Hesse [183] | 2-6,6-3,6-4 | |
| WTA Birmingham Qual | 06/18 12:50 | 46 | [186] Kato, Miyu v Soylu, Ipek [162] | 4-6,2-6 | |
| WTA Birmingham Qual | 06/17 15:50 | 45 | [34] Rosolska, Alicja v Kato, Miyu [186] | 2-6,6-4,1-6 | |
| WTA Birmingham Qual | 06/17 15:50 | 45 | [176] Robson, Laura v Kato, Miyu [186] | Cancelled | |
| WTA Den Bosch | 06/13 12:35 | 25 | [186] Kato, Miyu v Rodina, Evgeniya [80] | 1-6,1-6 | |
| s-Hertogenbosch, Netherlands, Qualifying | 06/11 10:30 | 46 | [414] Kichenok, Lyudmyla v Kato, Miyu [199] | 6-7,3-6 |