They lost in the first round to Nicholas Monroe and Simon Stadler. This was the first match at a Grand Slam event for both Raja and Sharan. At the 2013 US Open, Sharan partnered with Lu Yen-hsun from Chinese Taipei. The pair reached the third round where they lost to Aisam-ul-Haq Qureshi and Jean-Julien Rojer. As a result of this good run, Sharan finished the year inside the top 100 doubles rankings for the first time at 71. Sharan reached 4 Challenger finals and won 2 titles in the year 2014. He won the Kyoto Challenger with Purav Raja and the Shanghai Challenger with Yuki Bhambri. His best result at an ATP World Tour event was a semifinal appearance at the 2014 Claro Open where he had partnered with Canadian player Adil Shamasdin. At the 2014 Asian Games, Sharan won a bronze medal for India with Yuki Bhambri. The year 2015 was not so successful for Sharan. He played with many different partners and reached 4 Challenger finals, winning 2 of them. He won the Guzzini Challenger with British partner Ken Skupski and the Izmir Challenger with compatriot Saketh Myneni. He played only a singles match at ATP World Tour level and lost it. He finished the year ranked 134 as a doubles player. Sharan made an excellent comeback in 2016. He partnered with Purav Raja and reached 6 ATP Challenger finals, winning 4 of them. They won the Manchester Trophy Challenger, Aegon Surbiton Trophy, Open Castilla y León and Pune Challenger. The pair also won their second ATP World Tour title at the Los Cabos Open in Mexico. They defeated the pair of Jonathan Erlich and Ken Skupski in the final. Sharan finished the year with doubles ranking of 63. Sharan started the new season on strong note. He reached his third ATP World Tour final at the 2017 Chennai Open partnering with Purav Raja. In an all Indian final, they lost to the team of Rohan Bopanna and Jeevan Nedunchezhiyan. He then reached his fourth ATP World Tour final and won his third ATP title in Belgium at the European Open with his new partner Scott Lipsky. They defeated the pair of Santiago González and Julio Peralta in the final. Sharan had good run on the Challenger Tour as well. He reached four finals winning two of it. He won titles in Bordeaux with Purav Raja and Bangaluru with Mikhail Elgin.