Igor Sijsling, a wild card, served nine aces to nil against seventh-seeded Mikhail Youzhny, the 2007 champion and 2010 runner-up.
Koen van Weel/AFP/Getty Images

ROTTERDAM, Netherlands (AP) - Hometown favorite Igor Sijsling has upset Russia's Mikhail Youzhny 6-2, 6-2 in the first round of the ABN Amro.

Sijsling, a wild card, served nine aces to nil against seventh-seeded Youzhny, the 2007 champion and 2010 runner-up, on Tuesday. Sijsling saved the only break point he faced from Youzhny, who is off to a 1-4 win-loss start this year.

Defending champion Juan Martin del Potro and Wimbledon winner Andy Murray make their first appearances on Wednesday.

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