| 2013 HP Open | |
|---|---|
| Date | 7–13 October |
| Edition | 5th |
| Category | WTA International |
| Surface | Hard / outdoor |
| Location | Osaka, Japan |
| Venue | Utsubo Tennis Center |
| Champions | |
| Singles | |
 Samantha Stosur | |
| Doubles | |
 Kristina Mladenovic / Flavia Pennetta | |
The2013 HP Open was a women'stennis tournament played on outdoorhard courts sponsored byHewlett-Packard. It was the fifth edition of theHP Open, and part of theWTA International tournaments of the2013 WTA Tour. It was held at theUtsubo Tennis Center inOsaka, Japan, from October 7 through October 13, 2013.
Samantha Stosur defeated
Eugenie Bouchard, 3–6, 7–5, 6–2
Kristina Mladenovic /Flavia Pennetta defeatedSamantha Stosur /
Zhang Shuai, 6–4, 6–3
| 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 | Monica Puig | 45 | 8 |
| FRA | Kristina Mladenovic | 47 | 9 |
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:
Marina ErakovicJamie HamptonJelena Janković (left hip injury)Bethanie Mattek-Sands
Shahar Pe'er (planta fascia injury)
Yaroslava ShvedovaGalina VoskoboevaVenus WilliamsSabine Lisicki (left hip injury)| 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 | Sílvia Soler Espinosa | 81 | 4 |
The following pairs received wildcards into the doubles main draw:
Polona Hercog (back injury)Varvara Lepchenko (gastrointestinal illness)
