# 2018 Tallahassee Tennis Challenger – Singles

Blaž Rola was the defending champion but lost in the first round to Marc Polmans.
Noah Rubin won the title after defeating Polmans 6–2, 3–6, 6–4 in the final.

## Seeds

* Denis Kudla (second round)
* Peter Polansky (second round)
* Henri Laaksonen (first round)
* Michael Mmoh (quarterfinals)
* Blaž Rola (first round)
* Akira Santillan (first round)
* Evan King (first round)
* Miomir Kecmanović (second 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 | Final | Final | Final | Final |
| | Noah Rubin | 6 | 6 | | | | |
| | Hugo Dellien | 2 | 4 | | | | |
| | Hugo Dellien | 2 | 4 | Noah Rubin | 6 | 3 | 6 |
| | | | | Marc Polmans | 2 | 6 | 4 |
| | Marc Polmans | 6 | 6 | Marc Polmans | 2 | 6 | 4 |
| Q | Max Purcell | 1 | 2 | | | | |

### Top half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals |
| 1 | D Kudla | 3 | 6 | 7 | | | | | | | | | | |
| | F Bagnis | 6 | 1 | 5 | 1 | D Kudla | 2 | 4 | | | | | | |
| | D Köpfer | 6$^3$ | 2 | | | N Rubin | 6 | 6 | | | | | | |
| | N Rubin | 7$^7$ | 6 | | | | | | N Rubin | 6 | 6 | | | |
| | G Clezar | 6 | 6 | | | | | | C Garín | 3 | 4 | | | |
| | A Arnaboldi | 2 | 4 | | | G Clezar | 4 | 2 | | | | | | |
| | C Garín | 6 | 6 | | | C Garín | 6 | 6 | | | | | | |
| 7 | E King | 0 | 3 | | | | | | | | | N Rubin | 6 | 6 |
| 3 | H Laaksonen | 3 | 6$^5$ | | | | | | | | | H Dellien | 2 | 4 |
| | M Krueger | 6 | 7$^7$ | | | M Krueger | 3 | 2 | | | | | | |
| | E López Pérez | 5 | 2 | | | H Dellien | 6 | 6 | | | | | | |
| | H Dellien | 7 | 6 | | | | | | H Dellien | 7 | 7$^7$ | | | |
| WC | D Thomas | 1 | 2 | | | | | | T Bellucci | 5 | 6$^2$ | | | |
| | T Bellucci | 6 | 6 | | | T Bellucci | 6 | 6 | | | | | | |
| WC | A Dougaz | 2 | 4 | | 8 | M Kecmanović | 3 | 2 | | | | | | |
| 8 | M Kecmanović | 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 |
| 5 | B Rola | 0 | 3 | | | | | | | | | | | | | | | |
| | M Polmans | 6 | 6 | | | M Polmans | 6$^4$ | 6 | 3 | | | | | | | | | |
| Q | F Coria | 6 | 6 | | Q | F Coria | 7$^7$ | 2 | 1$^r$ | | | | | | | | | |
| Q | T Bryde | 0 | 1 | | | | | | | | M Polmans | 5 | 6 | 7$^7$ | | | | |
| | C Harrison | 3 | 6 | 2 | | | | | | 4 | M Mmoh | 7 | 0 | 6$^0$ | | | | |
| | J Clarke | 6 | 3 | 6 | | J Clarke | 2 | 3 | | | | | | | | | | |
| WC | Jared Hiltzik | 2 | 6$^9$ | | 4 | M Mmoh | 6 | 6 | | | | | | | | | | |
| 4 | M Mmoh | 6 | 7$^{11}$ | | | | | | | | | | | | | M Polmans | 6 | 6 |
| 6 | A Santillan | 7 | 6$^9$ | 3 | | | | | | | | | | | Q | M Purcell | 1 | 2 |
| WC | JC Aragone | 5 | 7$^{11}$ | 6 | WC | JC Aragone | 6$^1$ | 2 | | | | | | | | | | |
| Q | M Purcell | 6 | 3 | 7$^8$ | Q | M Purcell | 7$^7$ | 6 | | | | | | | | | | |
| Q | Y Nishioka | 2 | 6 | 6$^6$ | | | | | | Q | M Purcell | 1 | 6 | 7 | | | | |
| | J Choinski | 6 | 4 | 1 | | | | | | SE | JI Londero | 6 | 3 | 5 | | | | |
| SE | JI Londero | 1 | 6 | 6 | SE | JI Londero | 6 | 6 | | | | | | | | | | |
| LL | JP Sorgi | 6$^6$ | 6$^6$ | | 2 | P Polansky | 3 | 3 | | | | | | | | | | |
| 2 | P Polansky | 7$^8$ | 7$^8$ | | | | | | | | | | | | | | | |