The 2024 Chennai Open Challenger was a professional tennis tournament played on hard courts. It was the fourth edition of the tournament which was part of the 2024 ATP Challenger Tour. It took place in Chennai, India between 5 and 11 February 2024.

Country	Player	Rank1	Seed
ITA	Luca Nardi	114	1
IND	Sumit Nagal	121	2
CZE	Dalibor Svrčina	194	3
FRA	Ugo Blanchet	214	4
ITA	Stefano Napolitano	216	5
ESP	Oriol Roca Batalla	217	6
TUN	Aziz Dougaz	219	7
TPE	Hsu Yu-hsiou	230	8

• ¹ Rankings are as of 29 January 2024.^[1]

The following players received wildcards into the singles main draw:

• Nikoloz Basilashvili
• Ramkumar Ramanathan
• Mukund Sasikumar

The following players received entry into the singles main draw as alternates:

• Akira Santillan
• Samuel Vincent Ruggeri
• Arthur Weber

The following players received entry from the qualifying draw:

• Bogdan Bobrov
• S D Prajwal Dev
• Jonáš Forejtek
• Olaf Pieczkowski
• Eric Vanshelboim
• Alexey Zakharov

• Sumit Nagal def. Luca Nardi 6–1, 6–4.

• Saketh Myneni / Ramkumar Ramanathan def. Rithvik Choudary Bollipalli / Niki Kaliyanda Poonacha 3–6, 6–3, [10–5].