Mona Barthel Mona Barthel (born 11 July 1990) is a German tennis player. On 18 March 2013, she reached her best singles ranking of world No. 23. On 14 September 2015, she peaked at No. 63 in the doubles rankings. Barthel has won four singles and three double ...

and

Kristýna Plíšková Kristýna Plíšková (; born 21 March 1992) is a Czech inactive professional tennis player. In her career, she won one singles title and five doubles titles on the WTA Tour, with three titles on the WTA Challenger Tour (two in doubles). She a ...

were the defending champions, but Plíšková chose not to participate.

Eri Hozumi is a Japanese tennis player. On 10 November 2014, she reached a career-high singles ranking of world No. 144. On 27 May 2019, she peaked at No. 28 in the WTA doubles rankings. Partnering with Makoto Ninomiya, she reached the final of the 2018 ...

and

Peangtarn Plipuech Peangtarn "Earth" Plipuech (; born 15 November 1992) is a Thai tennis player. She has a career-high singles ranking by the WTA of world No. 175, achieved on 31 July 2017. On 9 September 2024, she peaked at No. 99 in doubles. Plipuech has won ...

won the title, defeating Barthel and

Hsieh Yu-chieh Hsieh Yu-chieh (, born 23 July 1993), formerly known as Hsieh Shu-ying (), is a Taiwanese professional tennis and pickleball player. She is the younger sister of tennis players Hsieh Su-wei and Hsieh Cheng-peng. On 20 February 2012, she achi ...

in the final, 7–5, 6–2.

Seeds

Draw

References

External links

Main Draw
{{DEFAULTSORT:2021 Chicago Challenger - Doubles Chicago Challenger - Doubles 2021 Doubles