2018 Oracle Challenger Series Chicago Tennis Draws
Men’s Singles
Uzbekistan Denis Istomin def. United States Reilly Opelka 6–4, 6–2.
Women’s Singles
Croatia Petra Martić def. Germany Mona Barthel, 6–4, 6–1
Men’s Doubles
United Kingdom Luke Bambridge / United Kingdom Neal Skupski def. India Leander Paes / Mexico Miguel Ángel Reyes-Varela, 6–3, 6–4
Women’s Doubles
Germany Mona Barthel / Czech Republic Kristýna Plíšková def. United States Asia Muhammad / United States Maria Sanchez, 6–3, 6–2