| Singles | |
|---|---|
| 2016 Stockton Challenger | |
| Champion |  Alison Van Uytvanck |
| Runner-up |  Anastasia Pivovarova |
| Final score | 6–3, 3–6, 6–2 |
Nao Hibino was the defending champion, but chose not to participate.
Alison Van Uytvanck won the title, defeating Anastasia Pivovarova in the final, 6–3, 3–6, 6–2.
Nicole Gibbs (second round)
Kristýna Plíšková (first round) Alison Van Uytvanck (champion)
Urszula Radwańska (quarterfinals) Grace Min (first round) Taylor Townsend (first round)
Zhu Lin (first round) Sachia Vickery (second round)| Semifinals | Final | ||||||||||||
| Catherine Bellis | 2 | 6 | 4 | ||||||||||
| 3 | Alison Van Uytvanck | 6 | 4 | 6 | |||||||||
| 3 | Alison Van Uytvanck | 6 | 3 | 6 | |||||||||
| Anastasia Pivovarova | 3 | 6 | 2 | ||||||||||
 Michelle Larcher de Brito | 4 | 4 | |||||||||||
| Anastasia Pivovarova | 6 | 6 | |||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 1 | N Gibbs | 5 | 6 | 7 | |||||||||||||||||||||||
| PR |  A Wozniak | 7 | 4 | 5 | 1 | N Gibbs | 63 | 66 | |||||||||||||||||||
| V Kan | 4 | 5 |  Ar Rodionova | 77 | 78 | ||||||||||||||||||||||
| Ar Rodionova | 6 | 7 | Ar Rodionova | 2 | 3 | ||||||||||||||||||||||
| Z Yang | 2 | 64 | C Bellis | 6 | 6 | ||||||||||||||||||||||
| C Bellis | 6 | 77 | C Bellis | 6 | 6 | ||||||||||||||||||||||
| Q | D Krawczyk | 5 | 3 | 8 | S Vickery | 4 | 0 | ||||||||||||||||||||
| 8 | S Vickery | 7 | 6 | C Bellis | 2 | 6 | 4 | ||||||||||||||||||||
| 3 | A Van Uytvanck | 7 | 6 | 3 | A Van Uytvanck | 6 | 4 | 6 | |||||||||||||||||||
| M Oudin | 5 | 2 | 3 | A Van Uytvanck | 6 | 6 | |||||||||||||||||||||
| K Ahn | 4 | 6 | 4 |  R Sawayanagi | 2 | 0 | |||||||||||||||||||||
| R Sawayanagi | 6 | 4 | 6 | 3 | A Van Uytvanck | 6 | 0 | 6 | |||||||||||||||||||
| Q | J Elie | 4 | 6 | 6 | J Loeb | 4 | 6 | 3 | |||||||||||||||||||
| WC | A Kratzer | 6 | 4 | 1 | Q | J Elie | 3 | 6 | 2 | ||||||||||||||||||
| J Loeb | 6 | 6 | J Loeb | 6 | 4 | 6 | |||||||||||||||||||||
| 5 | G Min | 2 | 1 | ||||||||||||||||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 7 | L Zhu | 1 | 1 | ||||||||||||||||||||||||
| Q | C Whoriskey | 6 | 6 | Q | C Whoriskey | 4 | 3 | ||||||||||||||||||||
| M Larcher de Brito | 6 | 4 | 6 | M Larcher de Brito | 6 | 6 | |||||||||||||||||||||
 S Sharipova | 2 | 6 | 0 | M Larcher de Brito | 6 | 7 | |||||||||||||||||||||
| WC | M Gordon | 6 | 2 | 1 | 4 | U Radwańska | 3 | 5 | |||||||||||||||||||
| S Sanders | 3 | 6 | 6 | S Sanders | 3 | 2 | |||||||||||||||||||||
| LL | P Hon | 64 | 5 | 4 | U Radwańska | 6 | 6 | ||||||||||||||||||||
| 4 | U Radwańska | 77 | 7 | M Larcher de Brito | 4 | 4 | |||||||||||||||||||||
| 6 | T Townsend | 4 | 4 | A Pivovarova | 6 | 6 | |||||||||||||||||||||
| M Hibi | 6 | 6 | M Hibi | 6 | 4 | 1 | |||||||||||||||||||||
| R Anderson | 6 | 77 | R Anderson | 3 | 6 | 6 | |||||||||||||||||||||
| WC | S Marand | 2 | 61 | R Anderson | 4 | 5 | |||||||||||||||||||||
| A Muhammad | 3 | 6 | 2 | A Pivovarova | 6 | 7 | |||||||||||||||||||||
| A Pivovarova | 6 | 3 | 6 | A Pivovarova | 6 | 6 | |||||||||||||||||||||
| Q |  C Simmonds | 7 | 6 | Q | C Simmonds | 4 | 4 | ||||||||||||||||||||
| 2 | Kr Plíšková | 5 | 3 | ||||||||||||||||||||||||
Venus Williams was the defending champion, but decided not to participate.
Caroline Wozniacki won the title, defeating Annika Beck in the final, 6–2, 6–2.
Elena Vesnina was the defending champion, but she retired in the second round against Estrella Cabeza Candela.
Garbiñe Muguruza won her first WTA singles title, defeating Klára Zakopalová in the final, 6–4, 6–0.
This was the first edition of the event. Kurumi Nara won the title, defeating Klára Zakopalová in the final, 6–1, 4–6, 6–1.
Monica Niculescu was the defending champion, but retired in the quarterfinals against Carla Suárez Navarro.
Klára Zakopalová won the title, defeating Garbiñe Muguruza in the final, 4–6, 7–5, 6–0.
Ana Ivanovic was the defending champion, but lost to Caroline Garcia in the semifinals.
María Teresa Torró Flor was the defending champion, but withdrew before the tournament began.
Elina Svitolina won the title, defeating Tímea Babos in the final, 7–5, 7–6(7–3).
Eugenie Bouchard was the defending champion, but chose not to participate this year.
Karolína Plíšková was the defending champion, but chose to compete in Tokyo instead.
Venus Williams was the defending champion, but lost in the first round to Daria Kasatkina.
Timea Bacsinszky was the defending champion, but chose not to participate this year.
Michaëlla Krajicek was the defending champion, but lost in the quarterfinals to Alison Van Uytvanck.
Michaëlla Krajicek was the defending champion, but lost to Sachia Vickery in the second round.
Océane Dodin was the defending champion, but withdrew from her second round match due to dizziness.
Monica Niculescu was the defending champion, but lost in the first round to Pauline Parmentier.
Océane Dodin was the defending champion, but chose not to participate.
Alison Van Uytvanck was the defending champion and successfully defended her title, defeating Markéta Vondroušová in the final, 1–6, 7–5, 6–2.
This was the first edition of the tournament.
Margarita Gasparyan was the defending champion. but lost in the second round to Danka Kovinić.
Kristýna Plíšková was the defending champion, winning the last edition of the tournament in 2014, however she chose not to participate.
This was the first edition of the women's event.