2013 SAP Open

The 2013 SAP Open was a men's tennis tournament played on indoor hard courts. It was the 125th and final edition of the SAP Open, and part of the ATP World Tour 250 series of the 2013 ATP World Tour. It took place at the HP Pavilion in San Jose, United States, from February 11 through February 17, 2013. First-seeded Milos Raonic won the singles title.

Singles

 * 🇨🇦 Milos Raonic defeated 🇩🇪 Tommy Haas, 6–4, 6–3

Doubles

 * 🇧🇪 Xavier Malisse / 🇩🇪 Frank Moser defeated 🇦🇺 Lleyton Hewitt / 🇦🇺 Marinko Matosevic, 6–0, 6–7(5–7), [10–4]

Seeds

 * Rankings are as of February 4, 2013.

Other entrants
The following players received wildcards into the singles main draw:
 * 🇺🇸 Steve Johnson
 * 🇺🇸 Bradley Klahn
 * 🇺🇸 Jack Sock

The following players received entry from the qualifying draw:
 * Rik de Voest
 * 🇺🇸 Tim Smyczek
 * 🇺🇸 Ryan Sweeting
 * 🇺🇸 Donald Young

Withdrawals

 * Before the tournament
 * Kevin Anderson (elbow injury)
 * 🇺🇸 Brian Baker (knee injury)
 * 🇺🇦 Alexandr Dolgopolov (ankle injury)
 * 🇺🇸 Mardy Fish (heart problem)
 * 🇪🇸 Feliciano López (wrist injury)

Seeds

 * Rankings are as of February 4, 2013.

Other entrants
The following pairs received wildcards into the doubles main draw: The following pair received entry as alternate:
 * 🇦🇺 Lleyton Hewitt / 🇦🇺 Marinko Matosevic
 * 🇺🇸 Steve Johnson / 🇺🇸 Jack Sock
 * 🇦🇺 Matthew Ebden / 🇺🇸 Michael Russell

Withdrawals

 * Before the tournament
 * 🇺🇸 Sam Querrey (personal reasons)