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.
- Sports & Recreation
- Mikhail Youzhny
- Igor Sijsling