# 2019 Sarasota Open – Singles

Tommy Paul won the title after defeating Tennys Sandgren 6–3, 6–4 in the final.
Hugo Dellien was the defending champion but lost in the third round to Aslan Karatsev.

## Seeds

All seeds receive a bye into the second round.
* Hugo Dellien (third round)
* Tennys Sandgren (final)
* Bradley Klahn (second round)
* Casper Ruud (withdrew)
* Paolo Lorenzi (quarterfinals)
* Henri Laaksonen (third round)
* Bjorn Fratangelo (third round)
* Peter Polansky (quarterfinals)
* Noah Rubin (third round, retired)
* Marc Polmans (second round)
* Marcos Giron (semifinals)
* Mitchell Krueger (second round)
* Dominik Köpfer (second round)
* James Ward (second round)
* Tommy Paul (champion)
* Mats Moraing (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

| Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final |
| ITF | Aslan Karatsev | 5 | 6 | 4$^r$ | | | | | | | | | |
| | Andrea Collarini | 7 | 4 | 5 | | | | | | | | | |
| | Andrea Collarini | 7 | 4 | 5 | | Andrea Collarini | 1 | 3 | | | | | |
| | | | | | 15 | Tommy Paul | 6 | 6 | | | | | |
| 15 | Tommy Paul | 6 | 4 | 6 | 15 | Tommy Paul | 6 | 6 | | | | | |
| 5 | Paolo Lorenzi | 3 | 6 | 4 | | | | | | | | | |
| 5 | Paolo Lorenzi | 3 | 6 | 4 | | | | | | 15 | Tommy Paul | 6 | 6 |
| | | | | | | | | | | 2 | Tennys Sandgren | 3 | 4 |
| 11 | Marcos Giron | 6 | 6 | | | | | | | | | | | 2 | Tennys Sandgren | 3 | 4 |
| WC | Sebastian Korda | 1 | 4 | | | | | | | | | | |
| WC | Sebastian Korda | 1 | 4 | | 11 | Marcos Giron | 6$^2$ | 6 | 2 | | | | |
| | | | | | 2 | Tennys Sandgren | 7$^7$ | 2 | 6 | | | | |
| 8 | Peter Polansky | 6$^4$ | 3 | | 2 | Tennys Sandgren | 7$^7$ | 2 | 6 | | | | |
| 2 | Tennys Sandgren | 7$^7$ | 6 | | | | | | | | | | |

### Top half
#### Section 1

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | | 1 | H Dellien | 6 | 6 | | | | | | | | | | | |
| WC | N Hardt | 3 | 6 | 6 | WC | N Hardt | 4 | 2 | | | | | | | | | | | |
| | Mi Redlicki | 6 | 3 | 3 | | | | | | 1 | H Dellien | 6$^4$ | 2 | | | | | | |
| ITF | S Bangoura | 5 | 7$^7$ | 1 | | | | | | ITF | A Karatsev | 7$^7$ | 6 | | | | | | |
| ITF | A Karatsev | 7 | 6$^4$ | 6 | ITF | A Karatsev | 6 | 7$^8$ | | | | | | | | | | | |
| | | | | | 16 | M Moraing | 3 | 6$^6$ | | | | | | | | | | | |
| | | | | | | | | | | | | | | | ITF | A Karatsev | 5 | 6 | 4$^r$ |
| | | | | | | | | | | | | | | | | A Collarini | 7 | 4 | 5 |
| | | | | | 12 | M Krueger | 6$^5$ | 6 | 6$^5$ | | | | | | | | | | |
| | A Collarini | 6 | 6 | | | A Collarini | 7$^7$ | 4 | 7$^7$ | | | | | | | | | | |
| ITF | S Ehrat | 4 | 0 | | | | | | | | A Collarini | 6 | 1 | 6 | | | | | |
| | J Sels | 7$^7$ | 2 | 3 | | | | | | 7 | B Fratangelo | 4 | 6 | 3 | | | | | |
| | S Nagal | 6$^5$ | 6 | 6 | | S Nagal | 3 | 6 | 6$^2$ | | | | | | | | | | |
| | | | | | 7 | B Fratangelo | 6 | 3 | 7$^7$ | | | | | | | | | | |

#### Section 2

| First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | 3 | B Klahn | 3 | 3 | | | | | | | | | | | |
| | DE Galán | 7 | 6 | | DE Galán | 6 | 6 | | | | | | | | | | | |
| Q | Z Khan | 5 | 2 | | | | | | | DE Galán | 6 | 1 | 1 | | | | | |
| | G Elias | 6 | 6 | | | | | | 15 | T Paul | 2 | 6 | 6 | | | | | |
| | M Torpegaard | 2 | 1 | | G Elias | 1 | 2 | | | | | | | | | | | |
| | | | | 15 | T Paul | 6 | 6 | | | | | | | | | | | |
| | | | | | | | | | | | | | | 15 | T Paul | 6 | 4 | 6 |
| | | | | | | | | | | | | | | 5 | P Lorenzi | 3 | 6 | 4 |
| | | | | 9/WC | N Rubin | 3 | 7 | 6 | | | | | | | | | | |
| | M Cuevas | 6 | 6 | | M Cuevas | 6 | 5 | 1 | | | | | | | | | | |
| | A González | 4 | 2 | | | | | | 9/WC | N Rubin | 6 | 6$^4$ | 1$^r$ | | | | | |
| ITF | A Zhurbin | 2 | 4 | | | | | | 5 | P Lorenzi | 2 | 7$^7$ | 4 | | | | | |
| | E Gómez | 6 | 6 | | E Gómez | 4 | 6$^5$ | | | | | | | | | | | |
| | | | | 5 | P Lorenzi | 6 | 7$^7$ | | | | | | | | | | | |

### Bottom half
#### Section 3

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | | 6 | H Laaksonen | 6 | 6 | | | | | | | | | | |
| | S Giraldo | 5 | 6 | 6 | | S Giraldo | 4 | 4 | | | | | | | | | | |
| | T-S Kwiatkowski | 7 | 1 | 4 | | | | | | 6 | H Laaksonen | 6$^3$ | 6 | 3 | | | | |
| ITF | A Rinderknech | 6 | 4 | 6 | | | | | | 11 | M Giron | 7$^7$ | 1 | 6 | | | | |
| | D Yevseyev | 3 | 6 | 3 | ITF | A Rinderknech | 5 | 6$^4$ | | | | | | | | | | |
| | | | | | 11 | M Giron | 7 | 7$^7$ | | | | | | | | | | |
| | | | | | | | | | | | | | | | 11 | M Giron | 6 | 6 |
| | | | | | | | | | | | | | | | WC | S Korda | 1 | 4 |
| | | | | | 14 | J Ward | 4 | 7$^7$ | 1 | | | | | | | | | |
| WC | S Korda | 7$^9$ | 6 | | WC | S Korda | 6 | 6$^3$ | 6 | | | | | | | | | |
| | U Blanch | 6$^7$ | 3 | | | | | | | WC | S Korda | 6 | 2 | 6 | | | | |
| | Evan Song | 6 | 6 | | | | | | | Alt | A Vukic | 4 | 6 | 4 | | | | |
| | JC Aragone | 3 | 0 | | | E Song | 2 | 6 | 0 | | | | | | | | | |
| | | | | | Alt | A Vukic | 6 | 3 | 6 | | | | | | | | | |

#### Section 4

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | | 8 | P Polansky | 6 | 6 | | | | | | | | | | |
| | E Karlovskiy | 7$^7$ | 4 | 4 | | C Altamirano | 1 | 4 | | | | | | | | | | |
| | C Altamirano | 6$^4$ | 6 | 6 | | | | | | 8 | P Polansky | 6 | 3 | 7$^8$ | | | | |
| WC | Jared Hiltzik | 1 | 2 | | | | | | | WC | J Brooksby | 2 | 6 | 6$^6$ | | | | |
| WC | J Brooksby | 6 | 6 | | WC | J Brooksby | 6 | 6 | | | | | | | | | | |
| | | | | | 10 | M Polmans | 3 | 0 | | | | | | | | | | |
| | | | | | | | | | | | | | | | 8 | P Polansky | 6$^4$ | 3 |
| | | | | | | | | | | | | | | | 2 | T Sandgren | 7$^7$ | 6 |
| | | | | | 13 | D Köpfer | 7$^7$ | 3 | 5 | | | | | | | | | |
| Q | H Heliövaara | 2 | 4 | | | G Clezar | 6$^2$ | 6 | 7 | | | | | | | | | |
| | G Clezar | 6 | 6 | | | | | | | | G Clezar | 6$^5$ | 2 | | | | | |
| PR | D Nguyen | 6$^5$ | 5 | | | | | | | 2 | T Sandgren | 7$^7$ | 6 | | | | | |
| | R Shane | 7$^7$ | 7 | | | R Shane | 6 | 6$^6$ | 6$^4$ | | | | | | | | | |
| | | | | | 2 | T Sandgren | 3 | 7$^8$ | 7$^7$ | | | | | | | | | |