# 2019 Fairfield Challenger – Singles

Bjorn Fratangelo was the defending champion but chose not to defend his title.
Christopher O'Connell won the title after defeating Steve Johnson 6–4, 6–4 in the final.

## Seeds

All seeds receive a bye into the second round.
* Steve Johnson (final)
* Denis Kudla (third round)
* Marcos Giron (withdrew)
* Taro Daniel (quarterfinals)
* Blaž Rola (third round)
* James Duckworth (third round)
* Emilio Gómez (third round)
* Peter Polansky (quarterfinals)
* Darian King (quarterfinals)
* Nicola Kuhn (third round)
* Thai-Son Kwiatkowski (withdrew)
* Christopher O'Connell (champion)
* Mitchell Krueger (second round)
* Jack Sock (second round)
* Ernesto Escobedo (second round)
* Maxime Cressy (third round)
* Donald Young (third 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 | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final |
| 1/WC | Steve Johnson | 6 | 6 | | | | | | | | | |
| 9 | Darian King | 1 | 1 | | | | | | | | | |
| 9 | Darian King | 1 | 1 | 1/WC | Steve Johnson | 3 | 6 | 6 | | | | |
| | | | | WC | Brandon Nakashima | 6 | 1 | 2 | | | | |
| 4 | Taro Daniel | 6$^5$ | 6$^5$ | WC | Brandon Nakashima | 6 | 1 | 2 | | | | |
| WC | Brandon Nakashima | 7$^7$ | 7$^7$ | | | | | | | | | |
| WC | Brandon Nakashima | 7$^7$ | 7$^7$ | | | | | | 1/WC | Steve Johnson | 4 | 4 |
| | | | | | | | | | 12 | Christopher O'Connell | 6 | 6 |
| 12 | Christopher O'Connell | 6 | 6 | | | | | | | | | | 12 | Christopher O'Connell | 6 | 6 |
| | Jack Draper | 2 | 3 | | | | | | | | | |
| | Jack Draper | 2 | 3 | 12 | Christopher O'Connell | 6 | 7$^7$ | | | | | |
| | | | | | Kevin King | 3 | 6$^2$ | | | | | |
| 8 | Peter Polansky | 3 | 6$^{10}$ | | Kevin King | 3 | 6$^2$ | | | | | |
| | Kevin King | 6 | 7$^{12}$ | | | | | | | | | |

### 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 | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | | 1/WC | S Johnson | 7$^7$ | 6 | | | | | | | | | |
| | M Mmoh | 6 | 6 | | | M Mmoh | 6$^4$ | 4 | | | | | | | | | |
| | E Zhu | 4 | 3 | | | | | | | 1/WC | S Johnson | 6 | 6 | | | | |
| | E King | 6$^5$ | 6 | 6 | | | | | | | E King | 3 | 2 | | | | |
| Alt | S Kirchheimer | 7$^7$ | 3 | 4 | | E King | 7 | 5 | 7$^7$ | | | | | | | | |
| | | | | | 13 | M Krueger | 5 | 7 | 6$^4$ | | | | | | | | |
| | | | | | | | | | | | | | | 1/WC | S Johnson | 6 | 6 |
| | | | | | | | | | | | | | | 9 | D King | 1 | 1 |
| | | | | | 9 | D King | 5 | 6 | 7 | | | | | | | | |
| | S Korda | 6 | 7$^7$ | | | S Korda | 7 | 0 | 5 | | | | | | | | |
| | S Fanselow | 4 | 6$^4$ | | | | | | | 9 | D King | 6 | 6 | | | | |
| | C Sinclair | 7$^8$ | 6$^4$ | 4 | | | | | | 5 | B Rola | 4 | 2 | | | | |
| | A Velotti | 6$^6$ | 7$^7$ | 6 | | A Velotti | 1 | 4 | | | | | | | | | |
| | | | | | 5 | B Rola | 6 | 6 | | | | | | | | | |

#### 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 |
| | | | | 4 | T Daniel | 6 | 6 | | | | | | | | | | |
| WC | B Holt | 6 | 6 | WC | B Holt | 1 | 4 | | | | | | | | | | |
| | C Altamirano | 2 | 2 | | | | | | 4 | T Daniel | 1 | 7$^7$ | 6 | | | | |
| | Roy Smith | 6$^4$ | 4 | | | | | | 16 | M Cressy | 6 | 6$^2$ | 3 | | | | |
| | JC Aragone | 7$^7$ | 6 | | JC Aragone | 6$^4$ | 2 | | | | | | | | | | |
| | | | | 16 | M Cressy | 7$^7$ | 6 | | | | | | | | | | |
| | | | | | | | | | | | | | | 4 | T Daniel | 6$^5$ | 6$^5$ |
| | | | | | | | | | | | | | | WC | B Nakashima | 7$^7$ | 7$^7$ |
| | | | | LL | D Novikov | 2 | 4 | | | | | | | | | | |
| WC | B Nakashima | 6 | 6 | WC | B Nakashima | 6 | 6 | | | | | | | | | | |
| | U Blanch | 2 | 4 | | | | | | WC | B Nakashima | 7$^7$ | 7 | | | | | |
| Q | Felix Corwin | 6 | 6 | | | | | | 6 | J Duckworth | 6$^5$ | 5 | | | | | |
| | F Peliwo | 1 | 3 | Q | F Corwin | 7$^7$ | 5 | 0 | | | | | | | | | |
| | | | | 6 | J Duckworth | 6$^5$ | 7 | 6 | | | | | | | | | |

### 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 | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | | 7 | E Gómez | 6 | 6 | | | | | | | | | |
| | N Mejía | 2 | 6 | 6 | | N Mejía | 4 | 3 | | | | | | | | | |
| | E Leshem | 6 | 1 | 4 | | | | | | 7 | E Gómez | 1 | 2 | | | | |
| | R Quiroz | 6 | 6 | | | | | | | 12 | C O'Connell | 6 | 6 | | | | |
| | Lucas Gerch | 3 | 3 | | | R Quiroz | 3 | 4 | | | | | | | | | |
| | | | | | 12 | C O'Connell | 6 | 6 | | | | | | | | | |
| | | | | | | | | | | | | | | 12 | C O'Connell | 6 | 6 |
| | | | | | | | | | | | | | | | J Draper | 2 | 3 |
| | | | | | 14 | J Sock | 6 | 6$^2$ | 3 | | | | | | | | |
| | J Draper | 6 | 2 | 7 | | J Draper | 3 | 7$^7$ | 6 | | | | | | | | |
| WC | A Rybakov | 1 | 6 | 5 | | | | | | | J Draper | 6 | 7$^7$ | | | | |
| | R Peniston | 2 | 3 | | | | | | | 17 | D Young | 3 | 6$^1$ | | | | |
| | A Sarkissian | 6 | 6 | | | A Sarkissian | 6 | 4 | 0 | | | | | | | | |
| | | | | | 17 | D Young | 2 | 6 | 6 | | | | | | | | |

#### Section 4

| 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 | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | 8 | P Polansky | 6 | 5 | 6 | | | | | | | | |
| | A Ritschard | 6 | 6 | | A Ritschard | 3 | 7 | 4 | | | | | | | | |
| | S Bangoura | 4 | 4 | | | | | | 8 | P Polansky | 6 | 6 | | | | |
| Q | S Verbeek | 3 | 3 | | | | | | 10 | N Kuhn | 4 | 4 | | | | |
| | M Pervolarakis | 6 | 6 | | M Pervolarakis | 4 | 6 | 0 | | | | | | | | |
| | | | | 10 | N Kuhn | 6 | 2 | 6 | | | | | | | | |
| | | | | | | | | | | | | | 8 | P Polansky | 3 | 6$^{10}$ |
| | | | | | | | | | | | | | | K King | 6 | 7$^{12}$ |
| | | | | 15 | E Escobedo | 5 | 4 | | | | | | | | | |
| | K King | 6 | 6 | | K King | 7 | 6 | | | | | | | | | |
| | A Çelikbilek | 4 | 3 | | | | | | | K King | 6 | 6 | | | | |
| WC | Z Svajda | 7$^7$ | 6 | | | | | | 2 | D Kudla | 2 | 3 | | | | |
| | Mi Redlicki | 6$^5$ | 2 | WC | Z Svajda | 1 | 6 | 4 | | | | | | | | |
| | | | | 2 | D Kudla | 6 | 3 | 6 | | | | | | | | |