Qualifier Ramkumar Ramanathan of India registered one of the biggest wins of his career on Tuesday at the Antalya Open when he stunned World No.8 Dominic Thiem 6-3, 6-2 to reach the quarter-finals in straight sets.

Ramanathan, currently ranked 222 in the world, took home the first by 6-3 and created further problems for Thiem in the second set when he broke early. He completely assumed the control of the match when he broke once again in the seventh game to take a 5-2 lead. He went on to hold his serve to complete a sensational win.

Pic Courtesy – Tennis TV

Ramanathan had only participated in six ATP World Tour main draws before, with four of those coming at home in Chennai. He reached the quarter-finals there in 2016 and the second round in 2014. The Indian player also progressed to his first ATP Challenger Tour final this April in Tallahassee. Coming in as a qualifier into the competition, Ramanathan had earlier beaten Brazil’s Rogerio Dutra Silva 6-3, 6-4 in the Round of 32.

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He will next face Marcos Baghdatis of Cyprus in the quarter-finals of the competition while Thiem will have a lot to think about as he succumbed to his second loss on grass surface this year after losing to Robin Haase in the second round at the Halle Open.