Chennai, Jan 04 (ANI): Tennis player Somdev Devvarman is set to compete against Taiwan's Yen-Hsun Lu in the first round of singles matches in the upcoming ATP Aircel Chennai Open tournament. Devvarman said that Yen would be a tough competitor. Yen became the first Taiwanese player to break into the ATP top 100 in 2004. Other big names in the tournament include Stan Warwinka, Feliciano Lopez and Leander Paes. Director of Aircel Chennai Open 2015, Tom Annear, said that the competition was a balance of veterans and newcomers. The Chennai Open is part of the Association of Tennis Professionals (ATP) World Tour 250 series. The 2015 edition will be the ATP's 20th. The tournament consists of 40 tournaments with 250 rankings points to win for the matches' singles champions.
