2023 Chennai Open Challenger

Country	Player	Rank1	Seed
TPE	Tseng Chun-hsin	108	1
AUS	James Duckworth	137	2
AUT	Sebastian Ofner	152	3
GBR	Ryan Peniston	159	4
ITA	Luca Nardi	164	5
ITA	Francesco Maestrelli	183	6
CZE	Dalibor Svrčina	184	7
BUL	Dimitar Kuzmanov	192	8

• ¹ Rankings are as of 6 February 2023.^[1]

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

• Max Purcell def. Nicolas Moreno de Alboran 5–7, 7–6^(7–2), 6–4.

• Jay Clarke / Arjun Kadhe def. Sebastian Ofner / Nino Serdarušić 6–0, 6–4.