2013 HP Open
| 2013 HP Open | |
|---|---|
| Date | October 7 – October 13 |
| Edition | 5th |
| Category | WTA International tournaments |
| Surface | Hard / Indoor |
| Location | Osaka, Japan |
| Champions | |
| Singles | |
 Samantha Stosur | |
| Doubles | |
 Kristina Mladenovic /  Flavia Pennetta | |
The 2013 HP Open was a women's tennis tournament played on outdoor hard courts sponsored by Hewlett-Packard. It was the fifth edition of the HP Open, and part of the WTA International tournaments of the 2013 WTA Tour. It was held in Osaka, Japan, from October 7 through October 13, 2013.
Singles main draw entrants
Seeds
| Country | Player | Rank1 | Seed |
|---|---|---|---|
 SRB
|
|||
 GER
|
Sabine Lisicki | 16 | 2 |
| AUS
|
Samantha Stosur | 20 | 3 |
| ITA
|
Flavia Pennetta | 29 | 4 |
 CAN
|
Eugenie Bouchard | 36 | 5 |
 USA
|
Madison Keys | 40 | 6 |
 GBR
|
Laura Robson | 41 | 7 |
 PUR
|
Mónica Puig | 45 | 8 |
| FRA
|
Kristina Mladenovic | 47 | 9 |
- Rankings are as of September 30, 2013
Other Entrants
The following players received wildcards into the singles main draw:
The following players received entry from the qualifying draw:
The following player received entry as a lucky loser:
Withdrawals
- Before the tournament
Marina Erakovic
Jamie Hampton
Jelena Janković (left hip injury)- Bethanie Mattek-Sands
Shahar Pe'er (planta fascia injury)
Yaroslava Shvedova- Galina Voskoboeva
- Venus Williams
- During the tournament
Sabine Lisicki (left hip injury)
Doubles main draw entrants
Seeds
| Country | Player | Country | Player | Rank1 | Seed |
|---|---|---|---|---|---|
| USA
|
Raquel Kops-Jones | USA
|
Abigail Spears | 44 | 1 |
| FRA
|
Kristina Mladenovic | ITA
|
Flavia Pennetta | 66 | 2 |
| USA
|
Varvara Lepchenko |  CHN
|
Zheng Saisai | 81 | 3 |
 ESP
|
Anabel Medina Garrigues | ESP
|
Silvia Soler Espinosa | 81 | 4 |
- 1 Rankings are as of September 30, 2013
Other entrants
The following pairs received wildcards into the doubles main draw:
Withdrawals
- During the tournament
Polona Hercog (back injury)- Varvara Lepchenko (gastrointestinal illness)
Champions
Singles
Samantha Stosur def. 
Eugenie Bouchard, 3–6, 7–5, 6–2
Doubles
Kristina Mladenovic / 
Flavia Pennetta def. Samantha Stosur / 
Zhang Shuai, 6–4, 6–3