The Oracle Challenger Series – Chicago was a professional tennis tournament played outdoor on hardcourts. It was part of the Women's Tennis Association (WTA) 125K series. The tournament took place at the XS Tennis Village in Chicago, United States. From 2021 onwards, it became exclusively a WTA 125 tournament. It was part of the ATP Challenger Tour in 2018.
Past finals Men's singles YearChampionRunner-upScore 2018 Denis Istomin Reilly Opelka 6–4, 6–2
Women's singles YearChampionRunner-upScore 2018 Petra Martić Mona Barthel 6–4, 6–1 2019–20 Not held 2021 Clara Tauson Emma Raducanu 6–1, 2–6, 6–4 2022 Not held 2023 Viktoriya Tomova Claire Liu 6–1, 6–4
Men's doubles YearChampionsRunners-upScore 2018 Luke Bambridge Neal Skupski Leander Paes Miguel Ángel Reyes-Varela 6–3, 6–4
Women's doubles YearChampionsRunners-upScore 2018 Mona Barthel Kristýna Plíšková Asia Muhammad Maria Sanchez 6–3, 6–2 2019–20 Not held 2021 Eri Hozumi Peangtarn Plipuech Mona Barthel Hsieh Yu-chieh 7–5, 6–2 2022 Not held 2023 Ulrikke Eikeri Ingrid Neel Cristina Bucșa Alexandra Panova walkover
External links Official website