# 2021 Tallahassee Tennis Challenger – Singles

Emilio Gómez was the defending champion but chose not to defend his title.
Jenson Brooksby won the title after defeating Bjorn Fratangelo 6–3, 4–6, 6–3 in the final.

## Seeds

* Thiago Seyboth Wild (second round)
* Denis Kudla (semifinals)
* Prajnesh Gunneswaran (first round)
* Jason Jung (second round)
* Ivo Karlović (first round)
* Juan Manuel Cerúndolo (first round)
* Dmitry Popko (first round)
* Michael Mmoh (quarterfinals, retired)

## 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 |
| | Jenson Brooksby | 6 | 4 | 6 | | | | |
| | Facundo Mena | 3 | 6 | 4 | | | | |
| | Facundo Mena | 3 | 6 | 4 | Jenson Brooksby | 6 | 4 | 6 |
| | | | | | Bjorn Fratangelo | 3 | 6 | 3 |
| | Bjorn Fratangelo | 7$^7$ | 6 | | Bjorn Fratangelo | 3 | 6 | 3 |
| 2 | Denis Kudla | 6$^2$ | 2 | | | | | |

### 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 | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 1 | T Seyboth Wild | 6 | 6 | | | | | | | | | | | | | | | |
| | TM Etcheverry | 3 | 1 | | 1 | T Seyboth Wild | 6$^6$ | 4 | | | | | | | | | | |
| | J Brooksby | 6$^{11}$ | 6 | 6 | | J Brooksby | 7$^8$ | 6 | | | | | | | | | | |
| WC | M Damm | 7$^{13}$ | 1 | 2 | | | | | | | J Brooksby | 1 | 6 | 4 | | | | |
| WC | R Harrison | 2 | 6 | 6 | | | | | | 8 | M Mmoh | 6 | 1 | 1$^r$ | | | | |
| LL | D Young | 6 | 3 | 3 | WC | R Harrison | 4 | 3 | | | | | | | | | | |
| | P Polansky | 5 | 6$^5$ | | 8 | M Mmoh | 6 | 6 | | | | | | | | | | |
| 8 | M Mmoh | 7 | 7$^7$ | | | | | | | | | | | | J Brooksby | 6 | 4 | 6 |
| 3 | P Gunneswaran | 2 | 6 | 4 | | | | | | | | | | | F Mena | 3 | 6 | 4 |
| Alt | P Sakamoto | 6 | 2 | 6 | Alt | P Sakamoto | 0 | 6 | 1 | | | | | | | | | |
| | M Torpegaard | 7$^7$ | 7 | | | M Torpegaard | 6 | 3 | 6 | | | | | | | | | |
| Alt | T Bellucci | 6$^1$ | 5 | | | | | | | | M Torpegaard | 1 | 6$^3$ | | | | | |
| WC | T Kodat | 3 | 1 | | | | | | | | F Mena | 6 | 7$^7$ | | | | | |
| | F Mena | 6 | 6 | | | F Mena | 4 | 6 | 6 | | | | | | | | | |
| | B Schnur | 6 | 3 | 6 | | B Schnur | 6 | 3 | 4 | | | | | | | | | |
| 6 | JM Cerúndolo | 3 | 6 | 4 | | | | | | | | | | | | | | |

### 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 | I Karlović | 6$^5$ | 7$^7$ | 6$^4$ | | | | | | | | | | | | | | |
| | B Fratangelo | 7$^7$ | 6$^3$ | 7$^7$ | | B Fratangelo | w/o | | | | | | | | | | | |
| | Yo Watanuki | 6 | 6 | | | Yo Watanuki | | | | | | | | | | | | |
| Q | A Velotti | 3 | 4 | | | | | | | | B Fratangelo | 7 | 6 | | | | | |
| | T-S Kwiatkowski | 3 | 7$^7$ | 6 | | | | | | | T-S Kwiatkowski | 5 | 4 | | | | | |
| | M Krueger | 6 | 6$^4$ | 3 | | T-S Kwiatkowski | 6 | 6 | | | | | | | | | | |
| | J Sock | 6 | 3 | 4 | 4 | J Jung | 3 | 2 | | | | | | | | | | |
| 4 | J Jung | 2 | 6 | 6 | | | | | | | | | | | | B Fratangelo | 7$^7$ | 6 |
| 7 | D Popko | 7$^7$ | 3 | 4 | | | | | | | | | | | 2 | D Kudla | 6$^2$ | 2 |
| Q | F Jianu | 6$^5$ | 6 | 6 | Q | F Jianu | 6 | 6 | | | | | | | | | | |
| | R Cid Subervi | 5 | 4 | | | J Menezes | 4 | 4 | | | | | | | | | | |
| | J Menezes | 7 | 6 | | | | | | | Q | F Jianu | 6$^8$ | 6 | 5 | | | | |
| Q | A Ritschard | 4 | 6 | 6 | | | | | | 2 | D Kudla | 7$^{10}$ | 3 | 7 | | | | |
| | R Olivo | 6 | 4 | 3 | Q | A Ritschard | 3 | 6 | 6$^5$ | | | | | | | | | |
| Q | A Rybakov | 6 | 5 | 1 | 2 | D Kudla | 6 | 2 | 7$^7$ | | | | | | | | | |
| 2 | D Kudla | 3 | 7 | 6 | | | | | | | | | | | | | | |