BASEL, Switzerland (AP) -- Juan Martin del Potro of Argentina had 10 aces in defeating Brian Baker of the U.S. 7-5, 6-1 Thursday to advance to the Swiss Indoors quarterfinals.
In other second-round matches, sixth-seeded Mikhail Youzhny of Russia beat Matthew Ebden of Australia, 6-3, 6-1, and Paul-Henri Mathieu of France ousted Nikolay Davydenko of Russia 6-3, 6-7 (2), 6-4.
- Sports & Recreation
- Juan Martin del Potro
- Roger Federer