# 2024 Chennai Open Challenger – Singles

Max Purcell was the defending champion but chose not to defend his title.
Sumit Nagal won the title after defeating Luca Nardi 6–1, 6–4 in the final.

## Seeds

* Luca Nardi (final)
* Sumit Nagal (champion)
* Dalibor Svrčina (semifinals)
* Ugo Blanchet (second round)
* Stefano Napolitano (quarterfinals)
* Oriol Roca Batalla (second round)
* Aziz Dougaz (first round)
* Hsu Yu-hsiou (first round)

## Draw
### Key

* Q = Qualifier
* WC = Wild card
* LL = Lucky loser
* Alt = Alternate
* SE = Special exempt
* PR = Protected ranking
* ITF = ITF entry
* JE = Junior exempt
* w/o = Walkover
* r = Retired
* d = Defaulted
* SR = Special ranking

### Finals

| Semifinals | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final |
| 1 | Luca Nardi | 6 | 4 | 7$^8$ | | | | |
| | Tseng Chun-hsin | 4 | 6 | 6$^6$ | | | | |
| | Tseng Chun-hsin | 4 | 6 | 6$^6$ | 1 | Luca Nardi | 1 | 4 |
| | | | | | 2 | Sumit Nagal | 6 | 6 |
| 3 | Dalibor Svrčina | 3 | 4 | | 2 | Sumit Nagal | 6 | 6 |
| 2 | Sumit Nagal | 6 | 6 | | | | | |

### Top half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 1 | L Nardi | 6 | 6 | | | | | | | | | | | | | | | | |
| Q | Eric Vanshelboim | 2 | 2 | | 1 | L Nardi | 7 | 6 | | | | | | | | | | | |
| Q | Olaf Pieczkowski | 6 | 4 | 6$^2$ | | B Tomic | 5 | 3 | | | | | | | | | | | |
| | B Tomic | 2 | 6 | 7$^7$ | | | | | | 1 | L Nardi | 6 | 3 | 6 | | | | | |
| Alt | A Santillan | 6 | 4 | 1$^r$ | | | | | | 5 | S Napolitano | 4 | 6 | 0 | | | | | |
| | D Added | 2 | 6 | 4 | | D Added | 2 | 1 | | | | | | | | | | | |
| | K Uchida | 1 | 2 | | 5 | S Napolitano | 6 | 6 | | | | | | | | | | | |
| 5 | S Napolitano | 6 | 6 | | | | | | | | | | | | 1 | L Nardi | 6 | 4 | 7$^8$ |
| 4 | U Blanchet | 6 | 3 | 7$^7$ | | | | | | | | | | | | C-h Tseng | 4 | 6 | 6$^6$ |
| Q | J Forejtek | 3 | 6 | 6$^5$ | 4 | U Blanchet | 0 | 6 | 2 | | | | | | | | | | |
| WC | N Basilashvili | 4 | 4 | | | C-h Tseng | 6 | 4 | 6 | | | | | | | | | | |
| | C-h Tseng | 6 | 6 | | | | | | | | C-h Tseng | 7 | 6 | | | | | | |
| Q | A Zakharov | 6 | 6$^2$ | 4 | | | | | | | E Dalla Valle | 5 | 2 | | | | | | |
| | E Dalla Valle | 3 | 7$^7$ | 6 | | E Dalla Valle | 6 | 7$^7$ | | | | | | | | | | | |
| WC | R Ramanathan | 6$^3$ | 2 | | 6 | O Roca Batalla | 4 | 6$^2$ | | | | | | | | | | | |
| 6 | O Roca Batalla | 7$^7$ | 6 | | | | | | | | | | | | | | | | |

### Bottom half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 8 | Y-h Hsu | 7$^7$ | 2 | 5 | | | | | | | | | | | | | | |
| | M Echargui | 6$^5$ | 6 | 7 | | M Echargui | 6$^4$ | 3 | | | | | | | | | | |
| | M Kaśnikowski | 3 | 6 | 5 | WC | M Sasikumar | 7$^7$ | 6 | | | | | | | | | | |
| WC | M Sasikumar | 6 | 4 | 7 | | | | | | WC | M Sasikumar | 7$^8$ | 2 | 4 | | | | |
| | T-l Wu | 2$^r$ | | | | | | | | 3 | D Svrčina | 6$^6$ | 6 | 6 | | | | |
| | E Donskoy | 3 | | | | E Donskoy | 2 | 6 | 2 | | | | | | | | | |
| Q | B Bobrov | 3 | 6 | 2 | 3 | D Svrčina | 6 | 0 | 6 | | | | | | | | | |
| 3 | D Svrčina | 6 | 2 | 6 | | | | | | | | | | | 3 | D Svrčina | 3 | 4 |
| 7 | A Dougaz | 3 | 3 | | | | | | | | | | | | 2 | S Nagal | 6 | 6 |
| Alt | Samuel Vincent Ruggeri | 6 | 6 | | Alt | S Vincent Ruggeri | 2 | 6 | 4 | | | | | | | | | |
| | Dominik Palán | 6 | 6 | | | D Palán | 6 | 2 | 6 | | | | | | | | | |
| Alt | A Weber | 1 | 4 | | | | | | | | D Palán | 3 | 3 | | | | | |
| | M Janvier | 4 | 6 | 5 | | | | | | 2 | S Nagal | 6 | 6 | | | | | |
| | G Fonio | 6 | 3 | 7 | | G Fonio | 5 | 2 | | | | | | | | | | |
| Q | SDP Dev | 1 | 2 | | 2 | S Nagal | 7 | 6 | | | | | | | | | | |
| 2 | S Nagal | 6 | 6 | | | | | | | | | | | | | | | |