| Men's singles | |
|---|---|
| 2024 Lexington Challenger | |
| Champion |  João Fonseca |
| Runner-up |  Li Tu |
| Score | 6–1, 6–4 |
Steve Johnson was the defending champion [1] but didn't defend his title as he had retired from professional tennis.
João Fonseca won the title after defeating Li Tu 6–1, 6–4 in the final.
Bu Yunchaokete (withdrew)
Emilio Nava (quarterfinals)
Gabriel Diallo (quarterfinals)
Coleman Wong (semifinals)
Hugo Grenier (semifinals) João Fonseca (champion) Li Tu (final) Bernard Tomic (second round, withdrew) Brandon Holt (first round, retired)| Semifinals | Final | ||||||||||||
| 5 | Hugo Grenier | 3 | 5 | ||||||||||
| 6 | João Fonseca | 6 | 7 | ||||||||||
| 6 | João Fonseca | 6 | 6 | ||||||||||
| 7 | Li Tu | 1 | 4 | ||||||||||
| 4 | Coleman Wong | 2 | 3 | ||||||||||
| 7 | Li Tu | 6 | 6 | ||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 9 | B Holt | 3 | 0r | ||||||||||||||||||||||||
| Arthur Gea | 6 | 1 | A Gea | 6 | 67 | 0 | |||||||||||||||||||||
 R Noguchi | 4 | 1 | WC | L Tien | 4 | 79 | 6 | ||||||||||||||||||||
| WC | L Tien | 6 | 6 | WC | L Tien | 6 | 4 | 67 | |||||||||||||||||||
| Aidan Mayo | 5 | 7 | 3 | 5 | H Grenier | 2 | 6 | 79 | |||||||||||||||||||
| Q |  J Pinnington Jones | 7 | 5 | 0r | A Mayo | 3 | 6 | 0 | |||||||||||||||||||
| A McHugh | 6 | 4 | 3 | 5 | H Grenier | 6 | 2 | 6 | |||||||||||||||||||
| 5 | H Grenier | 2 | 6 | 6 | 5 | H Grenier | 3 | 5 | |||||||||||||||||||
| 3/SE | G Diallo | 77 | 3 | 6 | 6 | J Fonseca | 6 | 7 | |||||||||||||||||||
| Q | R Seggerman | 63 | 6 | 1 | 3/SE | G Diallo | 6 | 78 | |||||||||||||||||||
| Q |  R Pacheco Méndez | 6 | 1 | 2 | E Quinn | 3 | 66 | ||||||||||||||||||||
| E Quinn | 2 | 6 | 6 | 3/SE | G Diallo | 2 | 2 | ||||||||||||||||||||
| L Draxl | 6 | 4 | 6 | 6 | J Fonseca | 6 | 6 | ||||||||||||||||||||
 R Berankis | 4 | 6 | 2 | L Draxl | 63 | 5 | |||||||||||||||||||||
| K Uchida | 3 | 3 | 6 | J Fonseca | 77 | 7 | |||||||||||||||||||||
| 6 | J Fonseca | 6 | 6 | ||||||||||||||||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 8 | B Tomic | 6 | 3 | 6 | |||||||||||||||||||||||
| Q | S Kozlov | 4 | 6 | 3 | 8 | B Tomic | |||||||||||||||||||||
| WC | B Kuzuhara | 64 | 3 | Q | M Braswell | w/o | |||||||||||||||||||||
| Q | Micah Braswell | 77 | 6 | Q | M Braswell | 4 | 63 | ||||||||||||||||||||
| LL | Y Shimizu | 64 | 6 | 67 | 4 | C Wong | 6 | 77 | |||||||||||||||||||
 A Andrade | 77 | 0 | 79 | A Andrade | 6 | 1 | 2 | ||||||||||||||||||||
 M Soto | 4 | 6 | 3 | 4 | C Wong | 4 | 6 | 6 | |||||||||||||||||||
| 4 | C Wong | 6 | 3 | 6 | 4 | C Wong | 2 | 3 | |||||||||||||||||||
| 7 | L Tu | 1 | 6 | 6 | 7 | L Tu | 6 | 6 | |||||||||||||||||||
| WC | Taha Baadi | 6 | 2 | 4 | 7 | L Tu | 6 | 6 | |||||||||||||||||||
| Q | J Trotter | 6 | 6 | Q | J Trotter | 4 | 4 | ||||||||||||||||||||
 T-l Wu | 3 | 4 | 7 | L Tu | 77 | 6 | |||||||||||||||||||||
| Alt | O Kumar | 7 | 6 | 2 | E Nava | 65 | 3 | ||||||||||||||||||||
| C Broom | 5 | 3 | Alt | O Kumar | 4 | 2 | |||||||||||||||||||||
| L Saville | 3 | 2 | 2 | E Nava | 6 | 6 | |||||||||||||||||||||
| 2 | E Nava | 6 | 6 | ||||||||||||||||||||||||
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