Ramkumar, who ended a runner-up at the Newport event last week, lost 4-6, 4-6 to American Taylor Fritz.
Rohan Bopanna and his British partner Colin Fleming fought their way to the semifinals of the ATP Open 13, edging past James Cerretani and Adil Shamasdin, in Marseille.
Divij Sharan and Purav Raja had to be content with a runners-up finish at the ATP Challenger event in Loughborough, UK, after losing the title clash in straight sets to James Cerretani of the USA and Adil Shamasdin of Canada.
US-based Prakash Amritraj downed Bulgarian Grigor Dimitrov 7-6(3), 6-1 to sail into the singles second round of the Israel Open, while Rohan Bopanna and his American partner Travis Parrott beat Nicolas Almagro (Spain) and Sebastian Prieto (Argentina) 6-4, 5-7, 10-8 to move into the doubles second round at the BMW Open in Munchen, Germany.
Somdev Devvarman and Prakash Amritraj fought their way into the second round of the men's doubles event of the Australian Open but Rohan Bopanna's challenge came to an end with a first round defeat in Melbourne on Wednesday.
Leander Paes regained his place in the top-50, courtesy a Challenger title win at the Newport Beach event. The triumph took the veteran Indian tennis star 14 places up, to 47 in the latest rankings, issued on Monday.
Leander Paes and his Czech partner Lukas Dlouhy sailed into the second round of the French Open men's doubles with a straight-sets win over locals Sebastien de Chaunac and Benoit Paire in Paris on Wednesday night. The third seeds won 6-1, 6-3 and set up a clash with another unseeded duo, James Cerretani and Sergiy Stakhovsky. The Ukrainian-American pair defeated Spaniards Nicolas Almagro and Ivan Navarro 6-2, 4-6, 6-2 in another first round match.
Indian Davis Cupper Rohan Bopanna and his American partner James Cerretani crashed out of the $ 2,615,000 Cincinnati Masters tournament after suffering a straight sets defeat in the first round.
Prakash Amritraj's doubles campaign at the Hall of Fame Tennis Championships ended after he and partner Giles Muller lost in the the quarter-finals in Newport. Wild card entrants Amritraj-Muller went down 4-6, 2-6 against Rik de Voest of South Africa and Ashley Fisher of Australia.
The Indo-Pak pair continued their winning run to enter the final eight of the Challenger in Spain.
Leander Paes and Purav Raja, who are trying to establish as a pair on the ATP World Tour, progressed to the quarterfinals of the St Petersburg Open with a straight-set win over Fabio Fognini and James Cerretani.
The second seeded Indian pair of Purav Raja and Divij Sharan scored a 5-7, 6-3, 13-11 victory over the Israeli pair of Dudi Sela and Amir Weintraub to enter the doubles final in the fifth edition of the $125000 Tashkent Challenger, at the Olympic Tennis School Tennis Complex in Tashkent, on Friday.
Capping off a great day for India, Sania Mirza advanced to the third round of both the women's and mixed doubles events, while Rohan Bopanna and Purav Raja also won their respective mixed doubles matches at the Wimbledon in London.
A summary of sports events and sports persons, who made news on Friday
A summary of sports events and sports persons, who made news on Friday
World number two Simona Halep beat Maria Sharapova 6-2, 6-2 in the China Open third round on Wednesday for her first win over the Russian in eight attempts.
Croatia clinched a place in next year's World Cup finals on Sunday after holding Greece to a goalless draw at the Georgios Karaiskakis stadium in Athens to complete a 4-1 aggregate victory in their playoff tie.