| Type: | ATP Challenger |
| Chennai Open Challenger | |
| Current: | 2024 Chennai Open Challenger |
| Event Name: | Chennai Open Challenger |
| Location: | Chennai, Tamil Nadu, India |
| Venue: | SDAT Tennis Stadium |
| Category: | ATP Challenger Tour |
| Surface: | Hard |
| Draw: | 32S/32Q/16D |
| Prize Money: | + H |
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.
| Year | Champion | Runner-up | Score | |
|---|---|---|---|---|
 Sumit Nagal | 6–1, 6–4 | |||
 Max Purcell | 5–7, 7–6(7–2), 6–4 | |||
| 2020–2022 | Not held | |||
 Corentin Moutet | 6–3, 6–3 | |||
| Jordan Thompson | 7–5, 3–6, 7–5 |
| Year | Champions | Runners-up | Score | |
|---|---|---|---|---|
| Saketh Myneni Ramkumar Ramanathan | 3–6, 6–3, [10–5] | |||
 Jay Clarke Arjun Kadhe | 6–0, 6–4 | |||
| 2020–2022 | Not held | |||
 Gianluca Mager Andrea Pellegrino | 6–4, 7–6(9–7) | |||
| Sriram Balaji Vishnu Vardhan | 7–6(7–5), 5–7, [10–5] |