The Chennai Open Challenger is a professional tennis tournament played on hard courts. It is currently part of the ATP Challenger Tour. It is held annually in Chennai, India, since 2018. The latest edition was held from 3 to 9 February 2025 at the SDAT Tennis Stadium, Nungambakkam, Chennai..The 2025 edition which attracted players from 14 countries had a prize money of US$ 160,000.[1]