
Chicago, IL Challenger, 2018, Challenger 125
| Sarkissian, Alexander (Q) | [USA] | |
| Aragone, Jc (WC) | ||
| Aragone, Jc (WC) | [USA] | 26 76(4) 76(3) |
| Koepfer, Dominik (ALT) | [GER] | |
| Koepfer, Dominik (ALT) | ||
| Krueger, Mitchell | [USA] | 46 76(4) 62 |
| Young, Young (ALT) | [USA] | |
| Young, Young (ALT) | ||
| Smith, John-Patrick | [AUS] | 63 64 |
| Opelka, Reilly | [USA] | |
| Opelka, Reilly | ||
| Mmoh, Michael[5] | [USA] | 64 64 |
| Rubin, Noah[8] | [USA] | |
| Rubin, Noah[8] | ||
| Popyrin, Alexei | [AUS] | 57 62 75 |
| Bangoura, Sekou (Q) | [USA] | |
| Fratangelo, Bjorn | ||
| Fratangelo, Bjorn | [USA] | 64 16 75 |
| Bemelmans, Ruben[6] | [BEL] | |
| Bemelmans, Ruben[6] | ||
| Uchida, Kaichi (Q) | [JPN] | 63 64 |
| Paul, Tommy (WC) | [USA] | |
| Istomin, Denis[2] | ||
| Istomin, Denis[2] | [UZB] | 75 63 |
| Aragone, Jc (WC) | [USA] | |
| Koepfer, Dominik (ALT) | ||
| Koepfer, Dominik (ALT) | [GER] | 64 62 |
| Young, Young (ALT) | [USA] | |
| Opelka, Reilly | ||
| Opelka, Reilly | [USA] | 36 62 76(5) |
| Rubin, Noah[8] | [USA] | |
| Fratangelo, Bjorn | ||
| Fratangelo, Bjorn | [USA] | 61 64 |
| Bemelmans, Ruben[6] | [BEL] | |
| Istomin, Denis[2] | ||
| Istomin, Denis[2] | [UZB] | 63 64 |
| Koepfer, Dominik (ALT) | [GER] | |
| Opelka, Reilly | ||
| Opelka, Reilly | [USA] | 63 76(3) |
| Fratangelo, Bjorn | [USA] | |
| Istomin, Denis[2] | ||
| Istomin, Denis[2] | [UZB] | 61 62 |
| Opelka, Reilly | [USA] | |
| Istomin, Denis[2] | ||
| Istomin, Denis[2] | [UZB] | 64 62 |








