Making a stupendous start to his 2016 season, wild card entrant Ramkumar annihilated his Spanish rival 6-2 6-0 as the Chennai-lad enthralled the sparse crowd by playing with lot of passion and power.
All he needed was one hour to move to the second round where world number 12 South African Kevin Anderson awaits him.
I knew it will be tough. I gave (played with lot of positive) attitude. I was staying positive, professional," Ramkumar said.
"The fitness part was good. I trained for three-four hours everyday, played 35 weeks last year and that made the difference. I want to finish inside top-100 by the end of this year," the 21-year old said.
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Bubbling with energy, Ramkumar overwhelmed Gimeno-Traver with his power-packed strokes. The Spaniard had no clue how to tame Ramkumar's ferocious inside-out forehand which was in full force.
Earlier, Somdev raised hopes of a turnaround before being knocked by Russian wild card Andrey Rublev.
Somdev, ranked 177th, lost 3-6 6-3 3-6 to his 18-year old opponent, whose father is a boxer and mother a tennis coach.
Somdev has not won a main draw singles match on ATP Tour since September 2014 when he had beaten China's Xin Gao at Shenzen Open.
(REOPENS DEL 88)
Rublev, to his credit, overpowered Somdev with his strokes, especially his forehand which he used smartly to play majority of his shots to a weak backhand of Somdev.
Somdev earned a chance to go 3-0 up by placing a perfect backhand drop shot but could not cash in on as Rublev finally got on board.
The Indian led 3-1 but the 18-year-old Russian upped his game and stroked with a lot of power, taking the next three games. Somdev trailed 3-4 and to make matters worse, he dropped serve in the eighth and Rublev was now serving for the set.
Somdev led 4-1 in the second set and sealed it comfortably before fizzling out in the decider.