2003 Siebel Open

The 2003 Siebel Open was a men's tennis tournament played on indoor hard courts at the HP Pavilion at San Jose in San Jose, California in the United States that was part of the International Series of the 2003 ATP Tour. It was the 115th edition of the tournament and was held from February 10 through February 16, 2003. First-seeded Andre Agassi won the singles title.^[3]

2003 Siebel Open
Date	February 10–16
Edition	115th
Category	International Series
Draw	32S / 16D
Prize money	$355,000
Surface	Hard / indoor
Location	San Jose, U.S.
Venue	HP Pavilion at San Jose
Champions
Singles
Andre Agassi[1]
Doubles
Hyung-Taik Lee / Vladimir Voltchkov[2]

Finals

Singles

Main article: 2003 Siebel Open – Singles

Andre Agassi defeated Davide Sanguinetti 6–3, 6–1

• It was Agassi's 2nd title of the year and the 57th of his career.

Doubles

Main article: 2003 Siebel Open – Doubles

Hyung-Taik Lee / Vladimir Voltchkov defeated Paul Goldstein / Robert Kendrick 7–5, 4–6, 6–3

• It was Lee's 2nd title of the year and the 2nd of his career. It was Voltchkov's only title of the year and the 1st of his career.