| 2003 Swisscom Challenge | ||||
|---|---|---|---|---|
| Date | 13–19 October | |||
| Edition | 20th | |||
| Category | Tier I Series | |||
| Draw | 28S / 16D | |||
| Prize money | USD $1,300,000 | |||
| Surface | Hard (indoor) | |||
| Location | Zürich, Switzerland | |||
| Venue | Schluefweg | |||
| Champions | ||||
| Singles | ||||
 Justine Henin-Hardenne | ||||
| Doubles | ||||
Kim Clijsters /  Ai Sugiyama | ||||
| ||||
The 2003 Swisscom Challenge, also known as the Zurich Open, was a women's tennis tournament played on indoor hard courts that was part of the Tier I Series of the 2003 WTA Tour. It was the 20th edition of the tournament and took place at the SchluefweginZürich, Switzerland, from 13 to 19 October 2003. Second-seeded Justine Henin-Hardenne won the singles title and the $189,000 first-prize money. With this victory Henin-Hardenne became the new world No. 1 ranked singles player.[1][2][3]
Justine Henin-Hardenne defeated 
Jelena Dokić, 6–0, 6–4
Kim Clijsters / Ai Sugiyama defeated 
Virginia Ruano Pascual / 
Paola Suárez 7–6(7–3), 6–2
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