# 2020 Orlando Open – Singles

Marcos Giron was the defending champion but chose not to defend his title.
Brandon Nakashima won the title after defeating Prajnesh Gunneswaran 6–3, 6–4 in the final.

## Seeds

* Thiago Monteiro (second round)
* Denis Kudla (quarterfinals)
* Daniel Elahi Galán (first round)
* Prajnesh Gunneswaran (final)
* Mohamed Safwat (first round)
* Dmitry Popko (quarterfinals)
* Ramkumar Ramanathan (first round)
* Mackenzie McDonald (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 |
| | Brandon Nakashima | 6 | 6 | | | | |
| | Mitchell Krueger | 1 | 3 | | | | |
| | Mitchell Krueger | 1 | 3 | | Brandon Nakashima | 6 | 6 |
| | | | | 4 | Prajnesh Gunneswaran | 3 | 4 |
| 4 | Prajnesh Gunneswaran | 6 | 7$^7$ | 4 | Prajnesh Gunneswaran | 3 | 4 |
| | Christopher Eubanks | 4 | 6$^2$ | | | | |

### Top half

| 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 |
| 1 | T Monteiro | 6 | 6 | | | | | | | | | | | | | |
| Q | S Kozlov | 1 | 3 | 1 | T Monteiro | 4 | 3 | | | | | | | | | |
| | R Cid Subervi | 1 | 3 | | B Nakashima | 6 | 6 | | | | | | | | | |
| | B Nakashima | 6 | 6 | | | | | | | B Nakashima | 6 | 7$^{10}$ | | | | |
| | E Ymer | 7 | 7$^7$ | | | | | | 8 | M McDonald | 3 | 6$^8$ | | | | |
| | C-h Tseng | 5 | 6$^3$ | | E Ymer | 3 | 3 | | | | | | | | | |
| | T Gabashvili | 2 | 1 | 8 | M McDonald | 6 | 6 | | | | | | | | | |
| 8 | M McDonald | 6 | 6 | | | | | | | | | | | B Nakashima | 6 | 6 |
| 3 | DE Galán | 3 | 3 | | | | | | | | | | | M Krueger | 1 | 3 |
| | B Fratangelo | 6 | 6 | | B Fratangelo | 6 | 2 | 2 | | | | | | | | |
| | M Krueger | 6 | 6 | | M Krueger | 3 | 6 | 6 | | | | | | | | |
| | P Polansky | 4 | 4 | | | | | | | M Krueger | 6 | 6$^5$ | 6 | | | |
| | U Blanch | 4 | 3 | | | | | | Q | A Ritschard | 4 | 7$^7$ | 1 | | | |
| Q | A Ritschard | 6 | 6 | Q | A Ritschard | 6 | 6 | | | | | | | | | |
| LL | N Chappell | 6 | 6 | LL | N Chappell | 3 | 4 | | | | | | | | | |
| 7 | R Ramanathan | 3 | 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 |
| 6 | D Popko | 6 | 6 | | | | | | | | | | | | | | | |
| | N Rubin | 1 | 2 | | 6 | D Popko | 7 | 1 | 7 | | | | | | | | | |
| WC | B Holt | 5 | 3 | | Q | Z Svajda | 5 | 6 | 5 | | | | | | | | | |
| Q | Z Svajda | 7 | 6 | | | | | | | 6 | D Popko | 0 | 3 | | | | | |
| | T Bellucci | 2 | 2 | | | | | | | 4 | P Gunneswaran | 6 | 6 | | | | | |
| | T-l Wu | 6 | 6 | | | T-l Wu | 7 | 5 | 0$^r$ | | | | | | | | | |
| LL | S Doumbia | 3 | 5 | | 4 | P Gunneswaran | 5 | 7 | 2 | | | | | | | | | |
| 4 | P Gunneswaran | 6 | 7 | | | | | | | | | | | | 4 | P Gunneswaran | 6 | 7$^7$ |
| 5 | M Safwat | 1 | 1 | | | | | | | | | | | | | C Eubanks | 4 | 6$^2$ |
| | H Moriya | 6 | 6 | | | H Moriya | 2 | 1 | | | | | | | | | | |
| | T-S Kwiatkowski | 7$^7$ | 3 | 1 | | C Eubanks | 6 | 6 | | | | | | | | | | |
| | C Eubanks | 6$^1$ | 6 | 6 | | | | | | | C Eubanks | 5 | 7$^7$ | 6 | | | | |
| Q | C Harrison | 3 | 6$^8$ | | | | | | | 2 | D Kudla | 7 | 6$^3$ | 3 | | | | |
| WC | P Kypson | 6 | 7$^{10}$ | | WC | P Kypson | 4 | 4 | | | | | | | | | | |
| LL | K King | 4 | 3 | | 2 | D Kudla | 6 | 6 | | | | | | | | | | |
| 2 | D Kudla | 6 | 6 | | | | | | | | | | | | | | | |