Philipp Petzschner advances

BANGKOK -- Philipp Petzschner advanced to the second round of the Thailand Open by beating Peerakiat Siriluethaiwattana of Thailand 6-1, 6-2 on Monday.

The 107th-ranked Petzschner took less than an hour to win the only singles match of the day.

The four top-seeded players -- Janko Tipsarevic of Serbia, Richard Gasquet of France, Milos Raonic of Canada and Gilles Simon of France -- received byes in the first round.