Sanam, Prajnesh enter ATP Challenger main draw

India`s Sanam Singh stunned second-seeded Marek Semjan 6-2, 6-2 while Prajnesh Gunneswaran dispatched compatriot Sasi Kumar Mukund to book their places in the main draw of the Shriram Capital P L Reddy Memorial USD 50,000 ATP Challenger tennis tournament on Monday.