# 2022 Toray Pan Pacific Open – Singles

Liudmila Samsonova defeated Zheng Qinwen in the final, 7–5, 7–5 to win the singles tennis title at the 2022 Pan Pacific Open. She did not drop a set en route to her third title of the season. By reaching her first WTA Tour final as a 19-year-old, Zheng became the first Chinese teenager to contest a WTA singles final.
Naomi Osaka was the defending champion from when the event was last held in 2019, but withdrew from her second round match against Beatriz Haddad Maia.

## Seeds

The top four seeds received a bye into the second round.
* Paula Badosa (second round)
* Caroline Garcia (second round)
* Garbiñe Muguruza (quarterfinals)
* Veronika Kudermetova (semifinals)
* Beatriz Haddad Maia (quarterfinals)
* Karolína Plíšková (second round)
* Alison Riske-Amritraj (first round)
* Elena Rybakina (first round)

## 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 |
| | Zheng Qinwen | 5 | 6 | 7$^7$ | | | |
| 4 | Veronika Kudermetova | 7 | 3 | 6$^3$ | | | |
| 4 | Veronika Kudermetova | 7 | 3 | 6$^3$ | Zheng Qinwen | 5 | 5 |
| | | | | | Liudmila Samsonova | 7 | 7 |
| | Liudmila Samsonova | 7$^7$ | 6 | | Liudmila Samsonova | 7 | 7 |
| | Zhang Shuai | 6$^4$ | 2 | | | | |

### Top half

| First round | First round | First round | First round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals |
| | | | | 1 | P Badosa | 3 | 2 | | | | | | | | | | |
| | Q Zheng | 6 | 6 | | Q Zheng | 6 | 6 | | | | | | | | | | |
| | M Doi | 2 | 4 | | | | | | Q Zheng | 6 | 7 | | | | | | |
| | Q Wang | 0 | 3 | | | | | | C Liu | 4 | 5 | | | | | | |
| | E Mertens | 6 | 6 | | E Mertens | 4 | 1 | | | | | | | | | | |
| | C Liu | 6 | 6 | | C Liu | 6 | 6 | | | | | | | | | | |
| 7 | A Riske-Amritraj | 2 | 3 | | | | | | | | | | | Q Zheng | 5 | 6 | 7$^7$ |
| | | | | | | | | | | | | | 4 | V Kudermetova | 7 | 3 | 6$^3$ |
| | | | | 4 | V Kudermetova | 6 | 6 | | | | | | | | | | |
| PR | S Kenin | 6$^7$ | 4 | Q | F Contreras Gómez | 0 | 1 | | | | | | | | | | |
| Q | F Contreras Gómez | 7$^9$ | 6 | | | | | 4 | V Kudermetova | 6$^4$ | 7$^8$ | 6 | | | | | |
| | N Osaka | 1 | | | | | | 5 | B Haddad Maia | 7$^7$ | 6$^6$ | 1 | | | | | |
| | D Saville | 0$^r$ | | | N Osaka | | | | | | | | | | | | |
| WC | Y Naito | 4 | 2 | 5 | B Haddad Maia | w/o | | | | | | | | | | | |
| 5 | B Haddad Maia | 6 | 6 | | | | | | | | | | | | | | |

### 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 | Semifinals | Semifinals | Semifinals |
| 8/WC | E Rybakina | 2 | 4 | | | | | | | | | | | | | |
| | L Samsonova | 6 | 6 | | | L Samsonova | 7$^7$ | 6 | | | | | | | | |
| | Xin Wang | 7 | 1 | 6 | | Xin Wang | 6$^5$ | 3 | | | | | | | | |
| Q | E Perez | 5 | 6 | 4 | | | | | | | L Samsonova | 6 | 6 | | | |
| Q | X You | 4 | 2 | | | | | | | 3 | G Muguruza | 4 | 2 | | | |
| Q | D Papamichail | 6 | 6 | | Q | D Papamichail | 4 | 2 | | | | | | | | |
| | | | | | 3 | G Muguruza | 6 | 6 | | | | | | | | |
| | | | | | | | | | | | | | | L Samsonova | 7$^7$ | 6 |
| 6 | Ka Plíšková | 6 | 6 | | | | | | | | | | | S Zhang | 6$^4$ | 2 |
| Q | I Shinikova | 2 | 1 | | 6 | Ka Plíšková | 3 | 4 | | | | | | | | |
| | P Martić | 6 | 6 | | | P Martić | 6 | 6 | | | | | | | | |
| Q | R Saigo | 1 | 1 | | | | | | | | P Martić | 5 | 2 | | | |
| WC | M Hontama | 0 | 3 | | | | | | | | S Zhang | 7 | 6 | | | |
| | S Zhang | 6 | 6 | | | S Zhang | 4 | 7$^7$ | 7$^7$ | | | | | | | |
| | | | | | 2 | C Garcia | 6 | 6$^5$ | 6$^5$ | | | | | | | |

## Qualifying
### Seeds

* Katarzyna Kawa (first round)
* Fernanda Contreras Gómez (qualified)
* Carol Zhao (qualifying competition)
* Despina Papamichail (qualified)
* Isabella Shinikova (qualified)
* Danielle Lao (qualifying competition)
* Kurumi Nara (qualifying competition)
* Sophie Chang (first round)
* Kyōka Okamura (qualifying competition)
* You Xiaodi (qualified)
* Ellen Perez (qualified)
* Himeno Sakatsume (qualifying competition)

### Qualifiers

* Rina Saigo
* Fernanda Contreras Gómez
* You Xiaodi
* Despina Papamichail
* Isabella Shinikova
* Ellen Perez

### Qualifying draw
#### First qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 1 | Katarzyna Kawa | 6 | 5 | 4 | | | | | |
| | Chihiro Muramatsu | 2 | 7 | 6 | | | | | |
| | Chihiro Muramatsu | 2 | 7 | 6 | | Chihiro Muramatsu | 6 | 3 | 0 |
| | | | | | WC | Rina Saigo | 2 | 6 | 6 |
| WC | Rina Saigo | 6 | 6 | | WC | Rina Saigo | 2 | 6 | 6 |
| 8 | Sophie Chang | 4 | 0 | | | | | | |

#### Second qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 2 | Fernanda Contreras Gómez | 6 | 6$^3$ | 6 | | | | | |
| | Nagi Hanatani | 3 | 7$^7$ | 1 | | | | | |
| | Nagi Hanatani | 3 | 7$^7$ | 1 | 2 | Fernanda Contreras Gómez | 6 | 2 | 6 |
| | | | | | 9 | Kyōka Okamura | 2 | 6 | 2 |
| | Ena Shibahara | 1 | 5 | | 9 | Kyōka Okamura | 2 | 6 | 2 |
| 9 | Kyōka Okamura | 6 | 7 | | | | | | |

#### Third qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 3 | Carol Zhao | 6 | 6 | | | | | |
| | Giuliana Olmos | 4 | 2 | | | | | |
| | Giuliana Olmos | 4 | 2 | | 3 | Carol Zhao | 1 | 5 |
| | | | | | 10 | You Xiaodi | 6 | 7 |
| | Haruna Arakawa | 6 | 1 | 0 | 10 | You Xiaodi | 6 | 7 |
| 10 | You Xiaodi | 3 | 6 | 6 | | | | |

#### Fourth qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 4 | Despina Papamichail | 6 | 4 | 6 | | | | |
| | Erika Sema | 4 | 6 | 4 | | | | |
| | Erika Sema | 4 | 6 | 4 | 4 | Despina Papamichail | 6 | 6 |
| | | | | | 12 | Himeno Sakatsume | 2 | 4 |
| WC | Rinko Matsuda | 4 | 2 | | 12 | Himeno Sakatsume | 2 | 4 |
| 12 | Himeno Sakatsume | 6 | 6 | | | | | |

#### Fifth qualifier

| First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 5 | Isabella Shinikova | 7$^7$ | 7 | | | | | |
| | Desirae Krawczyk | 6$^4$ | 5 | | | | | |
| | Desirae Krawczyk | 6$^4$ | 5 | 5 | Isabella Shinikova | 0 | 7 | 6 |
| | | | | 7 | Kurumi Nara | 6 | 5 | 0 |
| | Nicole Melichar-Martinez | 0 | 3 | 7 | Kurumi Nara | 6 | 5 | 0 |
| 7 | Kurumi Nara | 6 | 6 | | | | | |

#### Sixth qualifier

| First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 6 | Danielle Lao | 6 | 6 | | | | |
| WC | Eri Hozumi | 4 | 3 | | | | |
| WC | Eri Hozumi | 4 | 3 | 6 | Danielle Lao | 5 | 2 |
| | | | | 11 | Ellen Perez | 7 | 6 |
| WC | Sayaka Ishii | 3 | 3 | 11 | Ellen Perez | 7 | 6 |
| 11 | Ellen Perez | 6 | 6 | | | | |