Ramkumar Ramanathan and the tennis pair of Somdev Devvarman and Jeevan Nedunchezhiyan have got wildcard entries for the 20th edition of the Chennai Open that will be held from Monday at the Nungambakkam Stadium. In the men's singles main draw, local boy Ramkumar, with a current world ranking of 248, will be participating for the fifth year in a row. The other two wildcards in the singles have gone to the Russian duo of Karen Kachanov, ranked 152, and Andrey Rublev, ranked 172. In the men's doubles main draw, two Indian pairs have been given wildcards — Somdev and Jeevan, and Ramkumar and Sriram Balaji. Wildcard entries have also been given to Sanam Singh and Vijay Sundar Prashant for the qualifying singles draw.