# 2019 JSM Challenger of Champaign–Urbana – Singles

Reilly Opelka was the defending champion but chose not to defend his title.
J. J. Wolf won the title after defeating Sebastian Korda 6–4, 6–7$^{(3–7)}$, 7–6$^{(8–6)}$ in the final.

## Seeds

All seeds receive a bye into the second round.
* Denis Kudla (second round)
* Blaž Rola (second round)
* Emilio Gómez (third round)
* Mikael Torpegaard (third round)
* Peter Polansky (second round)
* Christopher Eubanks (third round)
* Francisco Cerúndolo (second round)
* Juan Pablo Ficovich (quarterfinals)
* J. J. Wolf (champion)
* Roberto Cid Subervi (third round)
* Kaichi Uchida (second round)
* Filip Peliwo (second round)
* JC Aragone (third round)
* Sebastian Korda (final)
* Kevin King (second round)
* Roy Smith (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 | Final |
| | Stefan Kozlov | 2 | 2 | | | | | | | | | | |
| 9 | J. J. Wolf | 6 | 6 | | | | | | | | | | |
| 9 | J. J. Wolf | 6 | 6 | | 9 | J. J. Wolf | 6 | 6 | | | | | |
| | | | | | | Blaž Kavčič | 4 | 2 | | | | | |
| WC | Keegan Smith | 6$^3$ | 3 | | | Blaž Kavčič | 4 | 2 | | | | | |
| | Blaž Kavčič | 7$^7$ | 6 | | | | | | | | | | |
| | Blaž Kavčič | 7$^7$ | 6 | | | | | | 9 | J. J. Wolf | 6 | 6$^3$ | 7$^8$ |
| | | | | | | | | | 14 | Sebastian Korda | 4 | 7$^7$ | 6$^6$ |
| | Martin Redlicki | 2 | 6 | 6$^4$ | | | | | | | | | | 14 | Sebastian Korda | 4 | 7$^7$ | 6$^6$ |
| 14 | Sebastian Korda | 6 | 4 | 7$^7$ | | | | | | | | | |
| 14 | Sebastian Korda | 6 | 4 | 7$^7$ | 14 | Sebastian Korda | 6 | 6 | | | | | |
| | | | | | WC | Alexander Brown | 2 | 2 | | | | | |
| 8 | Juan Pablo Ficovich | 5 | 3 | | WC | Alexander Brown | 2 | 2 | | | | | |
| WC | Alexander Brown | 7 | 6 | | | | | | | | | | |

### Top half
#### Section 1

| 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 |
| | | | | | 1 | D Kudla | 3 | 3 | | | | | | | | | |
| | S Carr | 2 | 6 | 6$^4$ | | S Kozlov | 6 | 6 | | | | | | | | | |
| | S Kozlov | 6 | 4 | 7$^7$ | | | | | | S Kozlov | 6 | 4 | 6 | | | | |
| Q | W Blumberg | 4 | 5 | | | | | | | E Song | 4 | 6 | 1 | | | | |
| | Evan Song | 6 | 7 | | | E Song | 6 | 7$^7$ | | | | | | | | | |
| | | | | | 15 | K King | 4 | 6$^3$ | | | | | | | | | |
| | | | | | | | | | | | | | | | S Kozlov | 2 | 2 |
| | | | | | | | | | | | | | | 9 | J. J. Wolf | 6 | 6 |
| | | | | | 9 | J. J. Wolf | 6 | 7$^7$ | | | | | | | | | |
| | Wilson Leite | 0 | 5 | | | D Altmaier | 2 | 6$^3$ | | | | | | | | | |
| | D Altmaier | 6 | 7 | | | | | | 9 | J. J. Wolf | 7 | 4 | 6 | | | | |
| | S Kirchheimer | 3 | 7$^7$ | 1 | | | | | 6 | C Eubanks | 5 | 6 | 4 | | | | |
| | B Nakashima | 6 | 6$^4$ | 6 | | B Nakashima | 4 | 6$^5$ | | | | | | | | | |
| | | | | | 6 | C Eubanks | 6 | 7$^7$ | | | | | | | | | |

#### Section 2

| 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 |
| | | | | | 4 | M Torpegaard | 6 | 6 | | | | | | | | | |
| | N Hardt | 0 | 1 | | WC | Z Svajda | 1 | 2 | | | | | | | | | |
| WC | Z Svajda | 6 | 6 | | | | | | | 4 | M Torpegaard | 0 | 3 | | | | |
| WC | K Smith | 6 | 6 | | | | | | | WC | K Smith | 6 | 6 | | | | |
| | M Peña López | 2 | 1 | | WC | K Smith | 3 | 6 | 7$^7$ | | | | | | | | |
| | | | | | 16 | Roy Smith | 6 | 3 | 6$^3$ | | | | | | | | |
| | | | | | | | | | | | | | | WC | K Smith | 6$^3$ | 3 |
| | | | | | | | | | | | | | | | B Kavčič | 7$^7$ | 6 |
| | | | | | 11 | K Uchida | 5 | 6$^5$ | | | | | | | | | |
| | L Glasspool | 3 | 6 | 6 | | L Glasspool | 7 | 7$^7$ | | | | | | | | | |
| | M Geerts | 6 | 3 | 2 | | | | | | | L Glasspool | 5 | 6$^5$ | | | | |
| | R Peniston | 4 | 3 | | | | | | | | B Kavčič | 7 | 7$^7$ | | | | |
| | B Kavčič | 6 | 6 | | | B Kavčič | 6 | 6 | | | | | | | | | |
| | | | | | 7 | F Cerúndolo | 2 | 0 | | | | | | | | | |

### 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 | Quarterfinals |
| | | | | | 5 | P Polansky | 6 | 1 | 4 | | | | | | | | | | |
| | Ma Redlicki | 6 | 6 | | | Ma Redlicki | 4 | 6 | 6 | | | | | | | | | | |
| Q | Ezekiel Clark | 3 | 2 | | | | | | | | Ma Redlicki | 6 | 7 | | | | | | |
| | Felix Corwin | 4 | 6 | 6 | | | | | | | F Corwin | 4 | 5 | | | | | | |
| | N Mejía | 6 | 4 | 1 | | F Corwin | 6 | 6 | | | | | | | | | | | |
| | | | | | 12 | F Peliwo | 3 | 4 | | | | | | | | | | | |
| | | | | | | | | | | | | | | | | Ma Redlicki | 2 | 6 | 6$^4$ |
| | | | | | | | | | | | | | | | 14 | S Korda | 6 | 4 | 7$^7$ |
| | | | | | 14 | S Korda | 6 | 6 | | | | | | | | | | | |
| | M Pervolarakis | 6 | 3 | 2 | | B Sigouin | 1 | 3 | | | | | | | | | | | |
| | B Sigouin | 3 | 6 | 6 | | | | | | 14 | S Korda | 4 | 6 | 6 | | | | | |
| | Lucas Gerch | 7$^7$ | 6 | | | | | | | 3 | E Gómez | 6 | 4 | 3 | | | | | |
| | G Brouwer | 6$^4$ | 2 | | | L Gerch | 4 | 7$^7$ | 2 | | | | | | | | | | |
| | | | | | 3 | E Gómez | 6 | 6$^5$ | 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 | JP Ficovich | 7$^8$ | 6 | | | | | | | | | |
| | E Hoyt | 4 | 2 | WC | A Kovacevic | 6$^6$ | 1 | | | | | | | | | |
| WC | A Kovacevic | 6 | 6 | | | | | | 8 | JP Ficovich | 6 | 7$^8$ | | | | |
| | R Roelofse | 7$^7$ | 6 | | | | | | 10 | R Cid Subervi | 4 | 6$^6$ | | | | |
| WC | Austin Rapp | 6$^4$ | 3 | | R Roelofse | 7 | 3 | 3 | | | | | | | | |
| | | | | 10 | R Cid Subervi | 5 | 6 | 6 | | | | | | | | |
| | | | | | | | | | | | | | 8 | JP Ficovich | 5 | 3 |
| | | | | | | | | | | | | | WC | A Brown | 7 | 6 |
| | | | | 13 | JC Aragone | 6 | 3 | 6 | | | | | | | | |
| | A Avidzba | 3 | 1 | | J Sels | 2 | 6 | 3 | | | | | | | | |
| | J Sels | 6 | 6 | | | | | | 13 | JC Aragone | 6$^5$ | 3 | | | | |
| WC | Alexander Brown | 7 | 6 | | | | | | WC | A Brown | 7$^7$ | 6 | | | | |
| | M Valkusz | 5 | 4 | WC | A Brown | 6$^6$ | 6 | 6 | | | | | | | | |
| | | | | 2 | B Rola | 7$^8$ | 3 | 4 | | | | | | | | |