2018 Oracle Challenger Series – Chicago
Country Player Rank Seed
USA Danielle Collins 37 1
CRO Petra Martić 47 2
KAZ Zarina Diyas 60 3
GER Tatjana Maria 70 4
FRA Pauline Parmentier 71 5
USA Sachia Vickery 78 6
RUS Evgeniya Rodina 80 7
SWE Johanna Larsson 82 8
Women 's singles main draw entrants -- Seeds
The 2018 Oracle Challenger Series - Chicago was a professional tennis tournament played on outdoor hard courts. This tournament was part of the 2018 ATP Challenger Tour and the 2018 WTA 125K series. The first edition took place from September 3 to 9, 2018 in Chicago, United States.