The 2023 Chennai Open Challenger was a professional tennis tournament played on hard courts. It was the third edition of the tournament which was part of the 2023 ATP Challenger Tour. It took place in Chennai, India between 13 and 19 February 2023.
Singles main-draw entrants
Seeds
1 Rankings are as of 6 February 2023.
Other entrants
The following players received wildcards into the singles main draw: Leo Borg Prajnesh Gunneswaran Ramkumar Ramanathan
The following player received entry into the singles main draw using a protected ranking: Marc Polmans
The following players received entry from the qualifying draw: Alibek Kachmazov James McCabe Sumit Nagal Petr Nouza Carlos Sánchez Jover Mukund Sasikumar
The following player received entry as a lucky loser: Jason Jung
Champions
Singles
Max Purcell def. Nicolas Moreno de Alboran 5–7, 7–6(7–2), 6–4.
Doubles
Jay Clarke / Arjun Kadhe def. Sebastian Ofner / Nino Serdarušić 6–0, 6–4.