Knoxville, Tennesse, Nov 13 : India's Somdev Devvarman and Purav Raja moved into the semi-finals of the $50,000 ATP Challenger tennis here with an upset victory over Kaden Hensel and Adam Hubble.

Somdev and Raja went past third-seeded Australian pair 6-3, 6-1 and set-up a semifinal meeting with South African pair Raven Klaasen and Izak Van der Merwe.

Second-seeded Harsh Mankad of India and Treat Conard Huey of Philippines also reached the last four, beating Grigor Dimitrov of Bulgaria and Sweden's Fillip Prpic 6-7(5), 6-1, 10-4.

Knoxville (Tennessee), Nov 12 : India's Somdev Devvarman and Prakash Amritraj lost their opening round matches in the ATP Challenger tennis here.

Somdev, seeded sixth, went down to Roko Karanusic of Croatia 6-7 (8), 3-6 while Prakash Amritraj lost to South Africa's Izak Van der Merwe 3-6, 2-6 in the $50,000 hard court event.    

Somdev, however, cleared the doubles first round with fellow Indian Purav Raja going past Americans Cory Parr and Todd Paul 6-4, 7-6 (3).