# 2018 Kentucky Bank Tennis Championships – Men's singles

Michael Mmoh was the defending champion but chose not to defend his title.
Lloyd Harris won the title after defeating Stefano Napolitano 6–4, 6–3 in the final.

## Seeds

* Marcel Granollers (withdrew)
* Marc Polmans (second round)
* Norbert Gombos (first round)
* Liam Broady (first round)
* Max Purcell (first round)
* Lloyd Harris (champion)
* Jay Clarke (quarterfinals, retired)
* Stefano Napolitano (final)

## 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 |
| | Chung Yun-seong | 5 | 3 | | | | |
| 8 | Stefano Napolitano | 7 | 6 | | | | |
| 8 | Stefano Napolitano | 7 | 6 | 8 | Stefano Napolitano | 4 | 3 |
| | | | | 6 | Lloyd Harris | 6 | 6 |
| 6 | Lloyd Harris | 6 | 6 | 6 | Lloyd Harris | 6 | 6 |
| | Joris De Loore | 1 | 3 | | | | |

### Top half

| 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 |
| Q | J. J. Wolf | 6 | 7$^7$ | | | | | | | | | | | | | |
| | D Evans | 0 | 6$^5$ | Q | J. J. Wolf | 3 | 7$^{11}$ | 5 | | | | | | | | |
| | Y-s Chung | 6 | 6 | | Y-s Chung | 6 | 6$^9$ | 7 | | | | | | | | |
| WC | W Bushamuka | 2 | 3 | | | | | | | Y-s Chung | 6 | 3 | | | | |
| Q | M Torpegaard | 6$^0$ | 6$^4$ | | | | | | 7 | J Clarke | 3 | 0$^r$ | | | | |
| Alt | A Harris | 7$^7$ | 7$^7$ | Alt | A Harris | 3 | 3 | | | | | | | | | |
| | E Leshem | 4 | 4 | 7 | J Clarke | 6 | 6 | | | | | | | | | |
| 7 | J Clarke | 6 | 6 | | | | | | | | | | | Y-s Chung | 5 | 3 |
| 4 | L Broady | 4 | 6$^4$ | | | | | | | | | | 8 | S Napolitano | 7 | 6 |
| Q | B Gojo | 6 | 7$^7$ | Q | B Gojo | 7 | 4 | 7$^8$ | | | | | | | | |
| WC | Tom Jomby | 6 | 7$^7$ | WC | T Jomby | 5 | 6 | 6$^6$ | | | | | | | | |
| | L Catarina | 2 | 6$^5$ | | | | | | Q | B Gojo | 4 | 4 | | | | |
| | A Ward | 6 | 6 | | | | | | 8 | S Napolitano | 6 | 6 | | | | |
| WC | S Riffice | 3 | 1 | | A Ward | 3 | 6 | 3 | | | | | | | | |
| Q | A Rybakov | 4 | 3 | 8 | S Napolitano | 6 | 2 | 6 | | | | | | | | |
| 8 | S Napolitano | 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 |
| 6 | L Harris | 6 | 6 | | | | | | | | | | | | | | | |
| | Y Uchiyama | 4 | 4 | | 6 | L Harris | 6 | 6 | | | | | | | | | | |
| | K Uchida | 6 | 6 | | | K Uchida | 4 | 4 | | | | | | | | | | |
| Alt | D Kelly | 2 | 4 | | | | | | | 6 | L Harris | 6 | 6 | | | | | |
| LL | R Schneider | 6 | 6 | | | | | | | LL | R Schneider | 3 | 2 | | | | | |
| | I Sijsling | 2 | 4 | | LL | R Schneider | 5 | | | | | | | | | | | |
| | S Myneni | 7 | 7$^7$ | | | S Myneni | 4$^r$ | | | | | | | | | | | |
| 3 | N Gombos | 5 | 6$^5$ | | | | | | | | | | | | 6 | L Harris | 6 | 6 |
| 5 | M Purcell | 1 | 4 | | | | | | | | | | | | | J De Loore | 1 | 3 |
| | J Menezes | 6 | 6 | | | J Menezes | 3 | 4 | | | | | | | | | | |
| | H Grenier | 7$^7$ | 6$^2$ | 4 | WC | C Altamirano | 6 | 6 | | | | | | | | | | |
| WC | C Altamirano | 6$^4$ | 7$^7$ | 6 | | | | | | WC | C Altamirano | 6 | 3 | 2$^r$ | | | | |
| | J De Loore | 1 | 7$^7$ | 6 | | | | | | | J De Loore | 3 | 6 | 3 | | | | |
| | MT Barrios Vera | 6 | 6$^4$ | 4 | | J De Loore | 1 | 6 | 6 | | | | | | | | | |
| | A Bega | 4 | 0 | | 2 | M Polmans | 6 | 3 | 4 | | | | | | | | | |
| 2 | M Polmans | 6 | 6 | | | | | | | | | | | | | | | |