Rising Indian tennis player Yuki Bhambri stunned fourth seed Tobias Kamke of Germany in a hard-fought three-setter to enter the second round of the ATP USD 100,000 Challenger Tournament in Dallas.

The 7-6 4-6 6-4 triumph was the biggest upset win of 19-year-old Yuki's career. Yuki was down 2-4 in the final set against Kamke (88th in the world) when he rallied to win 6-4. He plays another German Stefan Seifert in the second round tomorrow.