Chennai Open ATP Tennis Challenger tournament began today. All eyes will be on India’s top singles player Prajnesh Gunneswaran when he takes on Daniel Altmaier of Germany on Wednesday. A win in front of his home crowd could help Chennai left-hander Prajnesh, ranked 102, break into the top 100 for the first time in his career. Two other Indians – Saketh Myneni and Sasi Kumar Mukund also figure among the seeds.