Divij Sharan and Purav Raja have stormed into the Men's Doubles semifinals of the ATP Challenger tennis event in Mexico. In the quarter-finals at Guadalajara today, the unseeded Indian pair upset the American-German combo of Rajeev Ram and Benjamin Becker in three sets 6-4, 3-6, 10-8. Divij and Purav next play Croats Marin Draganja and Mate Pavic, who had knocked out top seeded Thai pair of Sonchai Ratiwatana and Sonchat Ratiwatana in the 1st round.