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.

They will meet Spain's Arnau Brugues-Davi and American Brett Joelson.(IANS)