# 2024 Chicago Men's Challenger – Singles

Alex Michelsen was the defending champion but chose not to defend his title.
Gabriel Diallo won the title after defeating Bu Yunchaokete 6–3, 7–6$^{(7–3)}$ in the final.

## Seeds

* Térence Atmane (second round)
* Benjamin Bonzi (first round)
* Hugo Grenier (quarterfinals)
* Gabriel Diallo (champion)
* Alexis Galarneau (first round)
* Bu Yunchaokete (final)
* Coleman Wong (first round)
* Hong Seong-chan (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 | Final | Final | Final | Final |
| Q | Jacob Fearnley | 2 | 3 | | | | |
| 4 | Gabriel Diallo | 6 | 6 | | | | |
| 4 | Gabriel Diallo | 6 | 6 | 4 | Gabriel Diallo | 6 | 7$^7$ |
| | | | | 6 | Bu Yunchaokete | 3 | 6$^3$ |
| 6 | Bu Yunchaokete | 6 | 7 | 6 | Bu Yunchaokete | 3 | 6$^3$ |
| WC | Learner Tien | 4 | 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/SE | T Atmane | 7$^7$ | 7$^7$ | | | | | | | | | | | | | | |
| | Micah Braswell | 6$^4$ | 6$^5$ | | 1/SE | T Atmane | 2 | 6 | 6$^3$ | | | | | | | | |
| Q | J Fearnley | 6 | 6 | | Q | J Fearnley | 6 | 1 | 7$^7$ | | | | | | | | |
| | L Tu | 4 | 3 | | | | | | | Q | J Fearnley | 6 | 6 | | | | |
| Alt | B Holt | 6 | 7$^7$ | | | | | | | Alt | B Holt | 3 | 2 | | | | |
| WC | Andrew Fenty | 1 | 6$^4$ | | Alt | B Holt | 6 | 7$^7$ | | | | | | | | | |
| | M Polmans | 2 | 7$^7$ | 6 | | M Polmans | 4 | 6$^4$ | | | | | | | | | |
| 5 | A Galarneau | 6 | 6$^5$ | 4 | | | | | | | | | | Q | J Fearnley | 2 | 3 |
| 4 | G Diallo | 6 | 6 | | | | | | | | | | | 4 | G Diallo | 6 | 6 |
| Q | J Trotter | 4 | 2 | | 4 | G Diallo | 7$^7$ | 6 | | | | | | | | | |
| | J Fonseca | 6 | 6 | | | J Fonseca | 6$^1$ | 1 | | | | | | | | | |
| | Y Shimizu | 3 | 4 | | | | | | | 4 | G Diallo | 6 | 6 | | | | |
| | M Krueger | 6 | 6 | | | | | | | | M Krueger | 3 | 2 | | | | |
| | A Géa | 4 | 4 | | | M Krueger | 6 | 6 | | | | | | | | | |
| | P Sekulic | 6 | 6 | | | P Sekulic | 4 | 2 | | | | | | | | | |
| 7 | C Wong | 2 | 1 | | | | | | | | | | | | | | |

### 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 |
| 6 | Y Bu | 6 | 6 | | | | | | | | | | | | | | | |
| Q | Michael Zheng | 4 | 4 | | 6 | Y Bu | 6 | 6 | | | | | | | | | | |
| Q | T-l Wu | 4 | 6 | 1 | | P Jubb | 3 | 3 | | | | | | | | | | |
| | P Jubb | 6 | 2 | 6 | | | | | | 6 | Y Bu | 6 | 6$^9$ | 6 | | | | |
| WC | N Basavareddy | 2 | 7$^8$ | 7 | | | | | | 3 | H Grenier | 2 | 7$^{11}$ | 1 | | | | |
| Q | M Lajal | 6 | 6$^6$ | 5 | WC | N Basavareddy | 4 | 0 | | | | | | | | | | |
| | B Tomic | 2 | 4 | | 3 | H Grenier | 6 | 6 | | | | | | | | | | |
| 3 | H Grenier | 6 | 6 | | | | | | | | | | | | 6 | Y Bu | 6 | 7 |
| 8 | S-c Hong | 6 | 6 | | | | | | | | | | | | WC | L Tien | 4 | 5 |
| | A Bolt | 4 | 3 | | 8 | S-c Hong | 6 | 6$^4$ | 6 | | | | | | | | | |
| | S Shimabukuro | 7$^7$ | 2 | 6$^5$ | | C Broom | 3 | 7$^7$ | 4 | | | | | | | | | |
| | C Broom | 6$^4$ | 6 | 7$^7$ | | | | | | 8 | S-c Hong | 3 | 1 | | | | | |
| | JP Ficovich | 4 | 6 | 5 | | | | | | WC | L Tien | 6 | 6 | | | | | |
| Q | A Mayo | 6 | 3 | 7 | Q | A Mayo | 3 | 7$^7$ | 3 | | | | | | | | | |
| WC | L Tien | 6 | 6 | | WC | L Tien | 6 | 6$^4$ | 6 | | | | | | | | | |
| 2 | B Bonzi | 4 | 4 | | | | | | | | | | | | | | | |