Belgrade (Serbia), Feb 18 (Inditop.com) India’s Prakash Amritraj and American James Cerretani sailed into the doubles semifinals of 10,65,000 euros Challenger tennis.

The fourth seeded Indo-American pair defeated German Julian Reister and Grega Zemlja of Slovakia 6-3, 6-4 here Wednesday.

Prakash and Cerretani next play Jamaican Dustin Brown and Austrian Martin Slanar.