| 2019 Chennai Open Challenger | |
|---|---|
| Date | 4–10 February |
| Edition | 2nd |
| Draw | 48S / 16D |
| Surface | Hard |
| Location | Chennai, India |
| Champions | |
| Singles | |
 Corentin Moutet | |
| Doubles | |
 Gianluca Mager / Andrea Pellegrino | |
The 2019 Chennai Open Challenger was a professional tennis tournament played on hard courts. It was the second edition of the tournament which was part of the 2019 ATP Challenger Tour. It took place in Chennai, India between 4 and 10 February 2019.
| Country | Player | Rank1 | Seed |
|---|---|---|---|
 IND | Prajnesh Gunneswaran | 102 | 1 |
| FRA | Corentin Moutet | 143 | 2 |
 EGY | Mohamed Safwat | 200 | 3 |
| ITA | Gianluca Mager | 224 | 4 |
 ESP | Alejandro Davidovich Fokina | 235 | 5 |
 KOR | Kwon Soon-woo | 236 | 6 |
 AUS | James Duckworth | 239 | 7 |
| KOR | Lee Duck-hee | 241 | 8 |
 POR | Gastão Elias | 246 | 9 |
| ESP | Nicola Kuhn | 248 | 10 |
| IND | Saketh Myneni | 260 | 11 |
| AUS | Maverick Banes | 265 | 12 |
 DOM | José Hernández-Fernández | 273 | 13 |
 LTU | Laurynas Grigelis | 281 | 14 |
 TPE | Yang Tsung-hua | 283 | 15 |
| IND | Sasikumar Mukund | 292 | 16 |
The following players received wildcards into the singles main draw:
Lý Hoàng Nam Vijay Sundar Prashanth Abhinav Sanjeev Shanmugam Manish Sureshkumar Siddharth VishwakarmaThe following players received entry into the singles main draw using protected rankings:
The following player received entry into the singles main draw as an alternate:
The following players received entry into the singles main draw using their ITF World Tennis Ranking:
The following players received entry from the qualifying draw:
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