# 2019 Ando Securities Open – Singles

Zhang Shuai was a three-time defending champion, having won the previous editions from 2015 to 2017 and successfully defended her title, defeating Jasmine Paolini in the final, 6–3, 7–5.

## Seeds

* Zhang Shuai (champion)
* Peng Shuai (semifinals, retired)
* Zhu Lin (withdrew)
* Tatjana Maria (semifinals)
* Nao Hibino (quarterfinals)
* Jasmine Paolini (final)
* Kurumi Nara (quarterfinals, retired)
* Wang Xinyu (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 | Final | Final | Final | Final |
| 1 | Zhang Shuai | 6 | 6 | | | | |
| 4 | Tatjana Maria | 0 | 3 | | | | |
| 4 | Tatjana Maria | 0 | 3 | 1 | Zhang Shuai | 6 | 7 |
| | | | | 6 | Jasmine Paolini | 3 | 5 |
| 6 | Jasmine Paolini | 6 | 0 | 6 | Jasmine Paolini | 3 | 5 |
| 2 | Peng Shuai | 4 | 0$^r$ | | | | |

### Top half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 1 | S Zhang | 6 | 6 | | | | | | | | | | | | | |
| | J Namigata | 0 | 1 | | 1 | S Zhang | 6 | 6 | | | | | | | | |
| | X You | 6 | 6 | | | X You | 4 | 2 | | | | | | | | |
| Q | N Cheong | 2 | 0 | | | | | | 1 | S Zhang | 6 | 6 | | | | |
| WC | YL Miyazaki | 3 | 4 | | | | | | 5 | N Hibino | 3 | 3 | | | | |
| Q | M Ninomiya | 6 | 6 | | Q | M Ninomiya | 0$^r$ | | | | | | | | | |
| | S Xu | 3 | 6 | 1 | 5 | N Hibino | 4 | | | | | | | | | |
| 5 | N Hibino | 6 | 4 | 6 | | | | | | | | | 1 | S Zhang | 6 | 6 |
| 4 | T Maria | 6 | 6 | | | | | | | | | | 4 | T Maria | 0 | 3 |
| | C Simmonds | 3 | 3 | | 4 | T Maria | 6 | 6 | | | | | | | | |
| Q | E Hozumi | 6 | 4 | 0 | | F Liu | 2 | 0 | | | | | | | | |
| | F Liu | 2 | 6 | 6 | | | | | 4 | T Maria | 6 | 6 | | | | |
| WC | M Minokoshi | 5 | 4 | | | | | | 8 | Xin Wang | 3 | 4 | | | | |
| WC | Y Tanaka | 7 | 6 | | WC | Y Tanaka | 2 | 0 | | | | | | | | |
| Q | E Hayashi | 5 | 3 | | 8 | Xin Wang | 6 | 6 | | | | | | | | |
| 8 | Xin Wang | 7 | 6 | | | | | | | | | | | | | |

### Bottom half

| First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 6 | J Paolini | 6 | 6 | | | | | | | | | | | | | |
| Q | M Hontama | 2 | 2 | 6 | J Paolini | 7 | 6 | | | | | | | | | |
| | H Kaji | 1 | 2 | WC | A Morita | 5 | 4 | | | | | | | | | |
| WC | A Morita | 6 | 6 | | | | | | 6 | J Paolini | 6 | 7$^7$ | | | | |
| | X Han | 6 | 6 | | | | | | | X Han | 2 | 6$^2$ | | | | |
| | D-b Kim | 3 | 1 | | X Han | 7 | 6 | | | | | | | | | |
| | N Kostić | 6 | 6 | | N Kostić | 5 | 3 | | | | | | | | | |
| LL | R Ushijima | 2 | 4 | | | | | | | | | | 6 | J Paolini | 6 | 0 |
| 7 | K Nara | 6 | 6 | | | | | | | | | | 2 | S Peng | 4 | 0$^r$ |
| | S-j Jang | 3 | 4 | 7 | K Nara | 6$^6$ | 6 | 6 | | | | | | | | |
| | A Shimizu | 5 | 4 | | N-l Han | 7$^8$ | 2 | 1 | | | | | | | | |
| | N-l Han | 7 | 6 | | | | | | 7 | K Nara | 0$^r$ | | | | | |
| Q | N Hanatani | 6 | 6 | | | | | | 2 | S Peng | 5 | | | | | |
| | M Imanishi | 2 | 0 | Q | N Hanatani | 4 | 4 | | | | | | | | | |
| | Y Naito | 2 | 0$^r$ | 2 | S Peng | 6 | 6 | | | | | | | | | |
| 2 | S Peng | 6 | 3 | | | | | | | | | | | | | |