# 2021 Chicago Fall Tennis Classic

The 2021 Chicago Fall Tennis Classic was a WTA tournament organised for female professional tennis players on outdoor hard courts due to the cancellation of the Asian tournaments because of the ongoing COVID-19 pandemic. It was the 1st edition of the event and took place at XS Tennis and Education Foundation in Chicago, United States from 27 September to 3 October 2021.

## Champions
### Singles

* Garbiñe Muguruza def. Ons Jabeur, 3–6, 6–3, 6–0

### Doubles

* Květa Peschke / Andrea Petkovic def. Caroline Dolehide / CoCo Vandeweghe, 6–3, 6–1

## Singles main draw entrants
### Seeds

| Country | Player | Rank$^1$ | Seed |
| UKR | Elina Svitolina | 4 | 1 |
| ESP | Garbiñe Muguruza | 9 | 2 |
| SUI | Belinda Bencic | 11 | 3 |
| RUS | Anastasia Pavlyuchenkova | 13 | 4 |
| KAZ | Elena Rybakina | 16 | 5 |
| TUN | Ons Jabeur | 17 | 6 |
| BEL | Elise Mertens | 18 | 7 |
| CAN | Bianca Andreescu | 20 | 8 |
| USA | Jessica Pegula | 23 | 9 |
| USA | Danielle Collins | 26 | 10 |
| EST | Anett Kontaveit | 30 | 11 |
| RUS | Veronika Kudermetova | 31 | 12 |
| SLO | Tamara Zidanšek | 33 | 13 |
| BLR | Victoria Azarenka | 35 | 14 |
| ITA | Camila Giorgi | 39 | 15 |
| SUI | Jil Teichmann | 42 | 16 |
* Rankings are as of September 20, 2021.

### Other entrants

The following players received wildcards into the singles main draw:
* Hailey Baptiste
* Kim Clijsters
* Caroline Dolehide
* CoCo Vandeweghe
The following players received entry from the qualifying draw:
* Lizette Cabrera
* Kirsten Flipkens
* Magdalena Fręch
* Beatriz Haddad Maia
* Mai Hontama
* Maddison Inglis
* Anna Kalinskaya
* Kateryna Kozlova
The following players received entry as lucky losers:
* Harriet Dart
* Olga Govortsova

### Withdrawals
#### Before the tournament

* Sorana Cîrstea → replaced by Hsieh Su-wei
* Coco Gauff → replaced by Ann Li
* Daria Kasatkina → replaced by Amanda Anisimova
* Sofia Kenin → replaced by Andrea Petkovic
* Johanna Konta → replaced by Madison Brengle
* Petra Kvitová → replaced by Misaki Doi
* Petra Martić → replaced by Camila Osorio
* Jeļena Ostapenko → replaced by Harriet Dart
* Karolína Plíšková → replaced by Kaia Kanepi
* Alison Riske → replaced by Jasmine Paolini
* Aryna Sabalenka → replaced by Sloane Stephens
* Maria Sakkari → replaced by Olga Govortsova
* Elena Vesnina → replaced by Marie Bouzková

#### During the tournament

* Victoria Azarenka
* Anett Kontaveit
* Markéta Vondroušová

## Doubles main draw entrants
### Seeds

| Country | Player | Country | Player | Rank$^1$ | Seed |
| TPE | Hsieh Su-wei | BEL | Elise Mertens | 5 | 1 |
| JPN | Shuko Aoyama | JPN | Ena Shibahara | 16 | 2 |
| CHI | Alexa Guarachi | USA | Desirae Krawczyk | 31 | 3 |
| RUS | Veronika Kudermetova | USA | Bethanie Mattek-Sands | 32 | 4 |
| USA | Nicole Melichar-Martinez | NED | Demi Schuurs | 34 | 5 |
| CRO | Darija Jurak | SLO | Andreja Klepač | 47 | 6 |
| CAN | Sharon Fichman | MEX | Giuliana Olmos | 57 | 7 |
| CZE | Marie Bouzková | CZE | Lucie Hradecká | 72 | 8 |
* $^1$ Rankings as of September 20, 2021.

### Other entrants

The following pairs received wildcards into the doubles main draw:
* Hailey Baptiste / Whitney Osuigwe
* Kim Clijsters / Kirsten Flipkens
* Caroline Dolehide / CoCo Vandeweghe
The following pair received entry into the doubles main draw using a protected ranking:
* Ingrid Neel / Anastasia Rodionova

### Withdrawals
#### Before the tournament

* Lyudmyla Kichenok / Jeļena Ostapenko → replaced by Magdalena Fręch / Katarzyna Kawa
* Marta Kostyuk / Dayana Yastremska → replaced by Lyudmyla Kichenok / Marta Kostyuk
* Jamie Loeb / Tereza Mihalíková → replaced by Harriet Dart / Tereza Mihalíková