| Singles | |
|---|---|
| 2022 Shimadzu All Japan Indoor Tennis Championships | |
| 2020 Champion |  Xun Fangying |
Xun Fangying was the defending champion [1] but chose not to participate.
| Singles | |
|---|---|
| 2022 Shimadzu All Japan Indoor Tennis Championships | |
| 2020 Champion | Xun Fangying |
Xun Fangying was the defending champion [1] but chose not to participate.
Misaki Doi (second round)
Sachia Vickery (quarterfinals)
Carol Zhao (semifinals)
Yuriko Miyazaki Kyōka Okamura (semifinals) Sakura Hosogi (quarterfinals)
Peangtarn Plipuech (first round) Luksika Kumkhum (quarterfinals)| Semifinals | Final | ||||||||||||
| Q | Miyu Kato | 6 | 6 | ||||||||||
| 3 | Carol Zhao | 4 | 4 | ||||||||||
| Q | Miyu Kato | ||||||||||||
| 4 | Yuriko Miyazaki | ||||||||||||
| 4 | Yuriko Miyazaki | 1 | 6 | 6 | |||||||||
| 5 | Kyōka Okamura | 6 | 4 | 2 | |||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 1 | M Doi | 6 | 6 | ||||||||||||||||||||||||
| E Hayashi | 1 | 3 | 1 | M Doi | 4 | 6 | 4 | ||||||||||||||||||||
| WC | A Omae | 2 | 2 | Q | M Kato | 6 | 3 | 6 | |||||||||||||||||||
| Q | M Kato | 6 | 6 | Q | M Kato | 6 | 6 | ||||||||||||||||||||
| WC | A Nagata | 1 | 4 | 6 | S Hosogi | 3 | 2 | ||||||||||||||||||||
 U Radwańska | 6 | 6 | U Radwańska | 3 | 4 | ||||||||||||||||||||||
| N Hanatani | 1 | 5 | 6 | S Hosogi | 6 | 6 | |||||||||||||||||||||
| 6 | S Hosogi | 6 | 7 | Q | M Kato | 6 | 6 | ||||||||||||||||||||
| 3 | C Zhao | 7 | 3 | 6 | 3 | C Zhao | 4 | 4 | |||||||||||||||||||
| H Kuwata | 5 | 6 | 2 | 3 | C Zhao | 6 | 6 | ||||||||||||||||||||
| Q | R Ueda | 6 | 6 | Q | R Ueda | 0 | 4 | ||||||||||||||||||||
| R Saigo | 0 | 1 | 3 | C Zhao | 6 | 77 | |||||||||||||||||||||
| Q | S Saito | 6 | 4 | 6 | 8 | L Kumkhum | 2 | 62 | |||||||||||||||||||
| Q | S Oshino | 2 | 6 | 2 | Q | S Saito | 1 | 6 | 4 | ||||||||||||||||||
 P-c Lee | 1 | 1 | 8 | L Kumkhum | 6 | 3 | 6 | ||||||||||||||||||||
| 8 | L Kumkhum | 6 | 6 | ||||||||||||||||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 7 | P Plipuech | 2 | 7 | 4 | |||||||||||||||||||||||
| M Kobori | 6 | 5 | 6 | M Kobori | 7 | 6 | |||||||||||||||||||||
| WC | R Matsuda | 2 | 4 | H Arakawa | 5 | 3 | |||||||||||||||||||||
| H Arakawa | 6 | 6 | M Kobori | 6 | 4 | 3 | |||||||||||||||||||||
| E Sema | 5 | 3 | 4 | Y Miyazaki | 2 | 6 | 6 | ||||||||||||||||||||
 J-h Choi | 7 | 6 | J-h Choi | 0 | 4 | ||||||||||||||||||||||
| H Kaji | 6 | 3 | 1 | 4 | Y Miyazaki | 6 | 6 | ||||||||||||||||||||
| 4 | Y Miyazaki | 3 | 6 | 6 | 4 | Y Miyazaki | 1 | 6 | 6 | ||||||||||||||||||
| 5 | K Okamura | 6 | 6 | 5 | K Okamura | 6 | 4 | 2 | |||||||||||||||||||
| Q | A Matsumoto | 2 | 4 | 5 | K Okamura | 710 | 7 | ||||||||||||||||||||
| Y-h Lee | 5 | 4 | N Sato | 68 | 5 | ||||||||||||||||||||||
| N Sato | 7 | 6 | 5 | K Okamura | 6 | 65 | 6 | ||||||||||||||||||||
| E-s Liang | 6 | 6 | 2 | S Vickery | 4 | 77 | 4 | ||||||||||||||||||||
| PR | A Shimizu | 1 | 2 | E-s Liang | 4 | 2 | |||||||||||||||||||||
| Q | M Ozeki | 5 | 1 | 2 | S Vickery | 6 | 6 | ||||||||||||||||||||
| 2 | S Vickery | 7 | 6 | ||||||||||||||||||||||||
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