2021 Chicago Fall Tennis Classic – Doubles
| Doubles | |
|---|---|
| 2021 Chicago Fall Tennis Classic | |
| Champions | Květa Peschke Andrea Petkovic |
| Runners-up | Caroline Dolehide CoCo Vandeweghe |
| Score | 6–3, 6–1 |
This was the first edition of the event.
Květa Peschke and Andrea Petkovic won the title, defeating Caroline Dolehide and CoCo Vandeweghe in the final, 6–3, 6–1. This was Petkovic's first WTA doubles title.
Elise Mertens was in contention to regain the WTA no. 1 doubles ranking by winning the title, but she and partner Hsieh Su-wei withdrew from the competition in the quarterfinals. Barbora Krejčíková accordingly retained the top ranking.