# 2023 Pune Challenger – Singles

James Duckworth was the defending champion but lost in the second round to Miljan Zekić.
Max Purcell won the title after defeating Luca Nardi 6–2, 6–3 in the final.

## Seeds

* James Duckworth (second round)
* Tseng Chun-hsin (quarterfinals)
* Max Purcell (champion)
* Luca Nardi (final)
* Francesco Maestrelli (quarterfinals)
* Dalibor Svrčina (first round)
* Hsu Yu-hsiou (first round)
* Rio Noguchi (quarterfinals)

## 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 |
| | Miljan Zekić | 2 | 3 | | | | | |
| 3 | Max Purcell | 6 | 6 | | | | | |
| 3 | Max Purcell | 6 | 6 | | 3 | Max Purcell | 6 | 6 |
| | | | | | 4 | Luca Nardi | 2 | 3 |
| 4 | Luca Nardi | 7$^7$ | 1 | 7 | 4 | Luca Nardi | 2 | 3 |
| Q | Dominik Palán | 6$^4$ | 6 | 5 | | | | |

### 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 | Semifinals | Semifinals | Semifinals | Semifinals |
| 1 | J Duckworth | 6$^5$ | 6 | 6 | | | | | | | | | | | | | |
| Alt | P Gunneswaran | 7$^7$ | 2 | 3 | 1 | J Duckworth | 6 | 4 | 6$^2$ | | | | | | | | |
| | M Zekić | 6 | 6 | | | M Zekić | 4 | 6 | 7$^7$ | | | | | | | | |
| Q | Y-s Chung | 3 | 4 | | | | | | | | M Zekić | 6 | 6 | | | | |
| | M Neuchrist | 6 | 7 | | | | | | | | H Mayot | 2 | 4 | | | | |
| WC | A Kadhe | 2 | 5 | | | M Neuchrist | 4 | 0$^r$ | | | | | | | | | |
| | H Mayot | 6 | 6 | | | H Mayot | 6 | 0 | | | | | | | | | |
| 7 | Y-h Hsu | 1 | 1 | | | | | | | | | | | | M Zekić | 2 | 3 |
| 3 | M Purcell | 3 | 6 | 6 | | | | | | | | | | 3 | M Purcell | 6 | 6 |
| WC | M Sasikumar | 6 | 3 | 0 | 3 | M Purcell | 6 | 6 | | | | | | | | | |
| Q | Makoto Ochi | 7 | 6$^1$ | 2 | | D Kuzmanov | 2 | 4 | | | | | | | | | |
| | D Kuzmanov | 5 | 7$^7$ | 6 | | | | | | 3 | M Purcell | 6 | 6 | | | | |
| | D Sweeny | 6 | 6 | | | | | | | 5 | F Maestrelli | 0 | 2 | | | | |
| LL | J Clarke | 0 | 2 | | | D Sweeny | 7$^7$ | 3 | 5 | | | | | | | | |
| PR | M Polmans | 6 | 1 | 2 | 5 | F Maestrelli | 6$^2$ | 6 | 7 | | | | | | | | |
| 5 | F Maestrelli | 1 | 6 | 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 | Semifinals |
| 8 | R Noguchi | 4 | 6 | 7$^7$ | | | | | | | | | | | | | | | |
| | M Gengel | 6 | 2 | 6$^1$ | 8 | R Noguchi | 2 | 7 | 6 | | | | | | | | | | |
| | F Ferreira Silva | 7$^7$ | 6$^5$ | 4 | Q | N Milojević | 6 | 5 | 3 | | | | | | | | | | |
| Q | N Milojević | 6$^1$ | 7$^7$ | 6 | | | | | | 8 | R Noguchi | 3 | 0 | | | | | | |
| | NH Lý | 1 | 1 | | | | | | | 4 | L Nardi | 6 | 6 | | | | | | |
| | L Giustino | 6 | 6 | | | L Giustino | 7$^{13}$ | 0 | 4 | | | | | | | | | | |
| Q | B Lock | 1 | 5 | | 4 | L Nardi | 6$^{11}$ | 6 | 6 | | | | | | | | | | |
| 4 | L Nardi | 6 | 7 | | | | | | | | | | | | 4 | L Nardi | 7$^7$ | 1 | 7 |
| 6 | D Svrčina | 4 | 6$^4$ | | | | | | | | | | | | Q | D Palán | 6$^4$ | 6 | 5 |
| Q | Dominik Palán | 6 | 7$^7$ | | Q | D Palán | 4 | 6 | 6 | | | | | | | | | | |
| | Y Uchiyama | 6$^3$ | 6 | 4 | WC | S Nagal | 6 | 3 | 4 | | | | | | | | | | |
| WC | S Nagal | 7$^7$ | 4 | 6 | | | | | | Q | D Palán | 7$^7$ | 1 | 6 | | | | | |
| | H Međedović | 6 | 6 | | | | | | | 2 | C-h Tseng | 6$^4$ | 6 | 3 | | | | | |
| Alt | H Moriya | 3 | 4 | | | H Međedović | 4 | 4 | | | | | | | | | | | |
| Q | A Santillan | 6 | 5 | 4 | 2 | C-h Tseng | 6 | 6 | | | | | | | | | | | |
| 2 | C-h Tseng | 4 | 7 | 6 | | | | | | | | | | | | | | | |