2018 Chennai Open Challenger

The 2018 Chennai Open Challenger was a professional tennis tournament played on hard courts. It was the first edition of the tournament which was part of the 2018 ATP Challenger Tour. It took place in Chennai, India between 12 and 17 February 2018.

Seeds

 * 1 Rankings are as of 5 February 2018.

Other entrants
The following players received wildcards into the singles main draw:
 * 🇮🇳 Vijay Sundar Prashanth
 * 🇮🇳 Nitin Kumar Sinha
 * 🇮🇳 Dhakshineswar Suresh
 * 🇮🇳 Manish Sureshkumar

The following player received entry into the singles main draw using a protected ranking:
 * 🇮🇳 Saketh Myneni

The following players received entry from the qualifying draw:
 * 🇮🇳 Arjun Kadhe
 * 🇮🇳 Sidharth Rawat
 * 🇮🇳 Abhinav Sanjeev Shanmugam
 * 🇹🇭 Wishaya Trongcharoenchaikul

Singles

 * 🇦🇺 Jordan Thompson def. 🇮🇳 Yuki Bhambri 7–5, 3–6, 7–5.

Doubles

 * 🇮🇳 Sriram Balaji / 🇮🇳 Vishnu Vardhan def. 🇹🇷 Cem İlkel / 🇷🇸 Danilo Petrović 7–6(7–5), 5–7, [10–5].