2013 HP Open
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 at the Utsubo Tennis Center in Osaka, Japan, from October 7 through October 13, 2013.Seeds
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:
;Before the tournament
;During the tournament
Seeds
- 1 Rankings are as of September 30, 2013
Other entrants
The following pairs received wildcards into the doubles main draw:
;During the tournament
Singles