# 2019 Columbus Challenger III – Singles

Mikael Torpegaard was the defending champion but lost in the quarterfinals to Roberto Quiroz.
Peter Polansky won the title after defeating J. J. Wolf 6–3, 7–6$^{(7–4)}$ in the final.

## Seeds

All seeds receive a bye into the second round.
* Emilio Gómez (semifinals)
* Mikael Torpegaard (quarterfinals)
* Michael Mmoh (third round)
* Peter Polansky (champion)
* Thai-Son Kwiatkowski (quarterfinals)
* Enzo Couacaud (quarterfinals)
* Maxime Cressy (second round)
* Donald Young (third round)
* Roberto Quiroz (semifinals)
* Liam Broady (third round)
* Renzo Olivo (second round)
* Roberto Cid Subervi (second round)
* J. J. Wolf (final)
* Filip Peliwo (third round)
* Roy Smith (third round)
* Michael Redlicki (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 | Final | Final | Final | Final |
| 1 | Emilio Gómez | 7 | 7$^7$ | | | | | | | | | |
| 6 | Enzo Couacaud | 5 | 6$^4$ | | | | | | | | | |
| 6 | Enzo Couacaud | 5 | 6$^4$ | | 1 | Emilio Gómez | 2 | 6$^5$ | | | | |
| | | | | | 13 | J. J. Wolf | 6 | 7$^7$ | | | | |
| 13 | J. J. Wolf | 4 | 6 | 6 | 13 | J. J. Wolf | 6 | 7$^7$ | | | | |
| | Gabriel Petit | 6 | 4 | 1 | | | | | | | | |
| | Gabriel Petit | 6 | 4 | 1 | | | | | 13 | J. J. Wolf | 3 | 6$^4$ |
| | | | | | | | | | 4 | Peter Polansky | 6 | 7$^7$ |
| 5 | Thai-Son Kwiatkowski | 4 | 6 | 6$^7$ | | | | | | | | | 4 | Peter Polansky | 6 | 7$^7$ |
| 4 | Peter Polansky | 6 | 0 | 7$^9$ | | | | | | | | |
| 4 | Peter Polansky | 6 | 0 | 7$^9$ | 4 | Peter Polansky | 7$^9$ | 7$^7$ | | | | |
| | | | | | 9 | Roberto Quiroz | 6$^7$ | 6$^4$ | | | | |
| 9 | Roberto Quiroz | 7$^7$ | 7$^7$ | | 9 | Roberto Quiroz | 6$^7$ | 6$^4$ | | | | |
| 2 | Mikael Torpegaard | 6$^5$ | 6$^4$ | | | | | | | | | |

### 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 | E Gómez | 6 | 7$^7$ | | | | | | | | | |
| Q | Ezekiel Clark | 4 | 6 | 6$^8$ | | B Patael | 3 | 6$^4$ | | | | | | | | | |
| | B Patael | 6 | 4 | 7$^{10}$ | | | | | | 1 | E Gómez | 7$^7$ | 6 | | | | |
| WC | J Boulais | 7$^7$ | 7$^8$ | | | | | | | 14 | F Peliwo | 6$^2$ | 4 | | | | |
| | Jordi Arconada | 6$^4$ | 6$^6$ | | WC | J Boulais | 6$^4$ | 1 | | | | | | | | | |
| | | | | | 14 | F Peliwo | 7$^7$ | 6 | | | | | | | | | |
| | | | | | | | | | | | | | | 1 | E Gómez | 7 | 7$^7$ |
| | | | | | | | | | | | | | | 6 | E Couacaud | 5 | 6$^4$ |
| | | | | | 10 | L Broady | 7$^7$ | 6 | | | | | | | | | |
| | E Zhu | 4 | 7 | 6$^4$ | | Ma Redlicki | 6$^2$ | 2 | | | | | | | | | |
| | Ma Redlicki | 6 | 5 | 7$^7$ | | | | | | 10 | L Broady | 4 | 2 | | | | |
| WC | R Cash | 3 | 4 | | | | | | | 6 | E Couacaud | 6 | 6 | | | | |
| | S Kirchheimer | 6 | 6 | | | S Kirchheimer | 6 | 5 | 0 | | | | | | | | |
| | | | | | 6 | E Couacaud | 2 | 7 | 6 | | | | | | | | |

#### Section 2

| First round | First round | First round | First round | First 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 | M Mmoh | 7 | 7$^7$ | | | | | | | | | | |
| | E Leshem | 6 | 6 | | | E Leshem | 5 | 6$^5$ | | | | | | | | | | |
| | R Peniston | 1 | 3 | | | | | | 3 | M Mmoh | 2 | 2 | | | | | | |
| | D Hidalgo | 6$^9$ | 1 | | | | | | 13 | J. J. Wolf | 6 | 6 | | | | | | |
| WC | Kyle Seelig | 7$^{11}$ | 6 | | WC | K Seelig | 3 | 2 | | | | | | | | | | |
| | | | | | 13 | J. J. Wolf | 6 | 6 | | | | | | | | | | |
| | | | | | | | | | | | | | | 13 | J. J. Wolf | 4 | 6 | 6 |
| | | | | | | | | | | | | | | | G Petit | 6 | 4 | 1 |
| | | | | | 12 | R Cid Subervi | 4 | 1 | | | | | | | | | | |
| | Felix Corwin | 7 | 3 | 1 | | A Ritschard | 6 | 6 | | | | | | | | | | |
| | A Ritschard | 5 | 6 | 6 | | | | | | A Ritschard | 4 | 6 | 4 | | | | | |
| | D Nguyen | 6$^3$ | 6 | 4 | | | | | | G Petit | 6 | 3 | 6 | | | | | |
| | Gabriel Petit | 7$^7$ | 3 | 6 | | G Petit | 7$^7$ | 7$^7$ | | | | | | | | | | |
| | | | | | 7 | M Cressy | 6$^5$ | 6$^1$ | | | | | | | | | | |

### 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 | Quarterfinals |
| | | | | | 5 | T-S Kwiatkowski | 3 | 6 | 6 | | | | | | | | | |
| | Evan Song | 4 | 6 | 2 | WC | C Kingsley | 6 | 4 | 3 | | | | | | | | | |
| WC | C Kingsley | 6 | 2 | 6 | | | | | | 5 | T-S Kwiatkowski | 6 | 6 | | | | | |
| | Gage Brymer | 4 | 1 | | | | | | | Alt | B Sigouin | 2 | 4 | | | | | |
| Alt | B Sigouin | 6 | 6 | | Alt | B Sigouin | 6 | 6 | | | | | | | | | | |
| | | | | | 11 | R Olivo | 1 | 2 | | | | | | | | | | |
| | | | | | | | | | | | | | | 5 | T-S Kwiatkowski | 4 | 6 | 6$^7$ |
| | | | | | | | | | | | | | | 4 | P Polansky | 6 | 0 | 7$^9$ |
| | | | | | 15 | Roy Smith | 4 | 6 | 6 | | | | | | | | | |
| Q | Jacob Dunbar | 5 | 4 | | | R Shane | 6 | 4 | 4 | | | | | | | | | |
| | R Shane | 7 | 6 | | | | | | | 15 | R Smith | 4 | 4 | | | | | |
| | D Novikov | 6$^4$ | 6$^3$ | | | | | | | 4 | P Polansky | 6 | 6 | | | | | |
| | S Bangoura | 7$^7$ | 7$^7$ | | | S Bangoura | 6$^5$ | 3 | | | | | | | | | | |
| | | | | | 4 | P Polansky | 7$^7$ | 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 | D Young | 6 | 6$^4$ | 6 | | | | | | | | | |
| | G Escobar | 6 | 4 | 7 | | G Escobar | 2 | 7$^7$ | 1 | | | | | | | | | |
| | Maksim Tikhomirov | 1 | 6 | 5 | | | | | | 8 | D Young | 7 | 4 | 4 | | | | |
| | C Gómez-Herrera | 4 | 2 | | | | | | | 9 | R Quiroz | 5 | 6 | 6 | | | | |
| WC | J Trotter | 6 | 6 | | WC | J Trotter | 4 | 2 | | | | | | | | | | |
| | | | | | 9 | R Quiroz | 6 | 6 | | | | | | | | | | |
| | | | | | | | | | | | | | | | 9 | R Quiroz | 7$^7$ | 7$^7$ |
| | | | | | | | | | | | | | | | 2 | M Torpegaard | 6$^5$ | 6$^4$ |
| | | | | | 16 | Mi Redlicki | 5 | 4 | | | | | | | | | | |
| | J McNally | 4 | 4 | | | M Geerts | 7 | 6 | | | | | | | | | | |
| | M Geerts | 6 | 6 | | | | | | | | M Geerts | 3 | 6$^2$ | | | | | |
| | C Sinclair | 5 | 6$^9$ | | | | | | | 2 | M Torpegaard | 6 | 7$^7$ | | | | | |
| | A Erler | 7 | 7$^{11}$ | | | A Erler | 2 | 7$^7$ | 1 | | | | | | | | | |
| | | | | | 2 | M Torpegaard | 6 | 6$^1$ | 6 | | | | | | | | | |