title: 2020 Shimadzu All Japan Indoor Tennis Championships – Singles
text: # 2020 Shimadzu All Japan Indoor Tennis Championships – Singles
  
  Ylena In-Albon was the defending champion, but chose not to participate.
  
  Xun Fangying won the title, defeating Indy de Vroome in the final, 3–6, 6–3, $7–6^{(8–6)}.$
  
  ## Seeds
  
  * Wang Xinyu (semifinals)
  * Arina Rodionova (first round)
  * Xun Fangying (champion)
  * Indy de Vroome (final)
  * Kyōka Okamura (second round)
  * Akiko Omae (quarterfinals)
  * Peangtarn Plipuech (first round)
  * Ayano Shimizu (quarterfinals)
  
  ## Draw
  
  ### Key
  
  * Q = Qualifier
  * WC = Wild card
  * LL = Lucky loser
  * Alt = Alternate
  * SE = Special exempt
  * PR = Protected ranking
  * ITF = ITF entry
  * JE = Junior exempt
  * w/o = Walkover
  * r = Retired
  * d = Defaulted
  * SR = Special ranking
  
  ### Finals
  
  | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final | Final |
  | - | - | - | - | - | - | - | - | - | - |
  | 1 | Wang Xinyu | 6 | 4 | 3 | | | | | |
  | 4 | Indy de Vroome | 3 | 6 | 6 | | | | | |
  | 4 | Indy de Vroome | 3 | 6 | 6 | 4 | Indy de Vroome | 6 | 3 | $6^6$ |
  | | | | | | 3 | Xun Fangying | 3 | 6 | $7^8$ |
  | 3 | Xun Fangying | 6 | 6 | | 3 | Xun Fangying | 3 | 6 | $7^8$ |
  | Q | Erina Hayashi | 1 | 2 | | | | | | |
  
  ### Top half
  
  | First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals |
  | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
  | 1 | Xin Wang | 6 | 6 | | | | | | | | | | | | | | | | |
  | WC | S Oshino | 3 | 2 | | 1 | Xin Wang | 6 | 6 | | | | | | | | | | | |
  | | J Namigata | 4 | 4 | | | N Hanatani | 1 | 4 | | | | | | | | | | | |
  | | N Hanatani | 6 | 6 | | | | | | | 1 | Xin Wang | 4 | 6 | 6 | | | | | |
  | | M Hontama | 1 | 6 | 6 | | | | | | 8 | A Shimizu | 6 | 1 | 2 | | | | | |
  | | H Kaji | 6 | 1 | 3 | | M Hontama | 7 | 3 | 4 | | | | | | | | | | |
  | WC | M Kato | 4 | 3 | | 8 | A Shimizu | 5 | 6 | 6 | | | | | | | | | | |
  | 8 | A Shimizu | 6 | 6 | | | | | | | | | | | | 1 | Xin Wang | 6 | 4 | 3 |
  | 4 | I de Vroome | 6 | 6 | | | | | | | | | | | | 4 | I de Vroome | 3 | 6 | 6 |
  | Q | K Yoshioka | 1 | 3 | | 4 | I de Vroome | 6 | 6 | | | | | | | | | | | |
  | Q | Yi Zhang | 6 | 3 | $7^7$ | Q | Yi Zhang | 2 | 4 | | | | | | | | | | | |
  | | E Hozumi | 2 | 6 | $6^1$ | | | | | | 4 | I de Vroome | $7^9$ | 6 | | | | | | |
  | | N Sato | 3 | 5 | | | | | | | Q | J Kang | $6^7$ | 1 | | | | | | |
  | Q | J Kang | 6 | 7 | | Q | J Kang | 6 | 6 | | | | | | | | | | | |
  | | T Moore | $7^7$ | 6 | | | T Moore | 1 | 3 | | | | | | | | | | | |
  | 7 | P Plipuech | $6^4$ | 2 | | | | | | | | | | | | | | | | |
  
  ### Bottom half
  
  | First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
  | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
  | 6 | A Omae | 6 | 6 | | | | | | | | | | | | | | | |
  | | M Kobori | 2 | 1 | | 6 | A Omae | 6 | 6 | | | | | | | | | | |
  | | M Uchijima | $6^4$ | 6 | $7^7$ | | M Uchijima | 1 | 2 | | | | | | | | | | |
  | | M Imanishi | $7^7$ | 3 | $6^3$ | | | | | | 6 | A Omae | 3 | 7 | 5 | | | | |
  | Q | C Hosonuma | 6 | 6 | | | | | | | 3 | F Xun | 6 | 5 | 7 | | | | |
  | | M Ayukawa | 3 | 4 | | Q | C Hosonuma | 2 | 4 | | | | | | | | | | |
  | | E Bektas | 4 | 3 | | 3 | F Xun | 6 | 6 | | | | | | | | | | |
  | 3 | F Xun | 6 | 6 | | | | | | | | | | | | 3 | F Xun | 6 | 6 |
  | 5 | K Okamura | 6 | 6 | | | | | | | | | | | | Q | E Hayashi | 1 | 2 |
  | | H Kuwata | 1 | 3 | | 5 | K Okamura | 1 | 6 | 4 | | | | | | | | | |
  | | H Arakawa | 6 | 2 | $6^3$ | Q | E Hayashi | 6 | 4 | 6 | | | | | | | | | |
  | Q | E Hayashi | 2 | 6 | $7^7$ | | | | | | Q | E Hayashi | 6 | 6 | | | | | |
  | Q | A Matsumoto | 5 | 2 | | | | | | | | R Ushijima | 0 | 2 | | | | | |
  | | M Yamaguchi | 7 | 6 | | | M Yamaguchi | 6 | $6^5$ | 2 | | | | | | | | | |
  | | R Ushijima | 6 | 1 | $7^7$ | | R Ushijima | 2 | $7^7$ | 6 | | | | | | | | | |
  | 2 | Ar Rodionova | 4 | 6 | $6^3$ | | | | | | | | | | | | | | |
  