Ace Indian tennis duo Leander Paes and Adil Shamasdin entered the semi finals of the Aegon ATP Challenger in London on Wednesday . In the Quarter Finals of the men's doubles category, Paes and his Canadian pair defeated Belarus' Andrei Vasilevski and Chile's Hans Podlipnik-Castillo 7-6, 6-2. However, Indian pair of Purav Raja and Divij Sharan crashed out in the quarter finals. They lost to Thai twins Sanchai and Sonchat Ratiwatana 2-6, 4-6. At the ATP500 Aegon Championships Rohan Bopanna and Ivan Dodig will play against top seeded Henri Kontinen and John Peers in the second round later tonight.