Winnetka Challenger, 2018, Challenger 90
| Paul, Tommy | [USA] | |
| Paul, Tommy | ||
| King, Evan | [USA] | 61 62 |
| Kelly, Dayne | [AUS] | |
| Kelly, Dayne | ||
| King, Kevin[7] | [USA] | 64 61 |
| Karlovskiy, Evgeny | [RUS] | |
| Karlovskiy, Evgeny | ||
| Escobedo, Ernesto | [MEX] | 62 61 |
| Fawcett, Tom (WC) | [USA] | |
| Jomby, Tom (PR) | ||
| Jomby, Tom (PR) | [FRA] | 61 26 64 |
| Safwat, Mohamed[8] | [EGY] | |
| Safwat, Mohamed[8] | ||
| Meister, Nicolas (PR) | [USA] | 76(4) 64 |
| Eubanks, Christopher | [USA] | |
| Jung, Jason[4] | ||
| Jung, Jason[4] | [TPE] | 63 67(5) 64 |
| King, Darian[5] | [BAR] | |
| Altamirano, Collin (Q) | ||
| Altamirano, Collin (Q) | [USA] | 75 76(2) |
| Krueger, Mitchell | [USA] | |
| Krueger, Mitchell | ||
| Aragone, Jc | [USA] | 76(3) 64 60 |
| Paul, Tommy | [USA] | |
| Kelly, Dayne | ||
| Kelly, Dayne | [AUS] | 16 76(5) 62 |
| Karlovskiy, Evgeny | [RUS] | |
| Karlovskiy, Evgeny | ||
| Jomby, Tom (PR) | [FRA] | 36 64 61 |
| Safwat, Mohamed[8] | [EGY] | |
| Jung, Jason[4] | ||
| Jung, Jason[4] | [TPE] | 62 36 63 |
| Altamirano, Collin (Q) | [USA] | |
| Altamirano, Collin (Q) | ||
| Krueger, Mitchell | [USA] | 64 64 |
| Kelly, Dayne | [AUS] | |
| Karlovskiy, Evgeny | ||
| Karlovskiy, Evgeny | [RUS] | 64 62 |
| Jung, Jason[4] | [TPE] | |
| Jung, Jason[4] | ||
| Altamirano, Collin (Q) | [USA] | 62 62 |
| Karlovskiy, Evgeny | [RUS] | |
| Karlovskiy, Evgeny | ||
| Jung, Jason[4] | [TPE] | 63 62 |
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