| Singles | |
|---|---|
| 2021 Internationaux de Strasbourg | |
| Champion |  Barbora Krejčíková |
| Runner-up |  Sorana Cîrstea |
| Final score | 6–3, 6–3 |
| Draw | 32 |
| Seeds | 8 |
Elina Svitolina was the defending champion [1] but chose not to participate.
Barbora Krejčíková won her maiden WTA singles title, defeating Sorana Cîrstea in the final, 6–3, 6–3.
Bianca Andreescu (quarterfinals, withdrew)
Jessica Pegula (first round)
Ekaterina Alexandrova (quarterfinals)
Yulia Putintseva (quarterfinals) Barbora Krejčíková (champion)
Zhang Shuai (second round) Shelby Rogers (second round)
Magda Linette (semifinals)| Semifinals | Final | ||||||||||||
| Sorana Cîrstea | 3 | 6 | 6 | ||||||||||
| 8 | Magda Linette | 6 | 4 | 2 | |||||||||
| Sorana Cîrstea | 3 | 3 | |||||||||||
| 5 | Barbora Krejčíková | 6 | 6 | ||||||||||
| 5 | Barbora Krejčíková | 5 | 6 | 6 | |||||||||
| Q |  Jule Niemeier | 7 | 3 | 4 | |||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 1 | B Andreescu | 6 | 6 | ||||||||||||||||||||||||
| Q |  A Lázaro García | 1 | 2 | 1 | B Andreescu | 6 | 6 | ||||||||||||||||||||
| Q |  M Zanevska | 6 | 6 | Q | M Zanevska | 1 | 4 | ||||||||||||||||||||
| Q |  Y Hatouka | 2 | 1 | 1 | B Andreescu | ||||||||||||||||||||||
| V Williams | 1 | 6 | 1 | S Cîrstea | w/o | ||||||||||||||||||||||
| S Cîrstea | 6 | 2 | 6 | S Cîrstea | 6 | 6 | |||||||||||||||||||||
 M Doi | 5 | 4 | 6 | S Zhang | 2 | 1 | |||||||||||||||||||||
| 6 | S Zhang | 7 | 6 | S Cîrstea | 3 | 6 | 6 | ||||||||||||||||||||
| 4 | Y Putintseva | 6 | 3 | 77 | 8 | M Linette | 6 | 4 | 2 | ||||||||||||||||||
 R Peterson | 4 | 6 | 62 | 4 | Y Putintseva | 2 | |||||||||||||||||||||
| A Blinkova | 2 | 3 |  J Teichmann | 0r | |||||||||||||||||||||||
| J Teichmann | 6 | 6 | 4 | Y Putintseva | 3 | 3 | |||||||||||||||||||||
| Kr Plíšková | 4 | 5 | 8 | M Linette | 6 | 6 | |||||||||||||||||||||
 A Cornet | 6 | 7 | A Cornet | 62 | 0r | ||||||||||||||||||||||
| N Hibino | 2 | 0 | 8 | M Linette | 77 | 3 | |||||||||||||||||||||
| 8 | M Linette | 6 | 6 | ||||||||||||||||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 5 | B Krejčíková | 6 | 3 | ||||||||||||||||||||||||
| Q | O Dodin | 3 | 0r | 5 | B Krejčíková | 3 | 6 | 6 | |||||||||||||||||||
| C Garcia | 7 | 6 | C Garcia | 6 | 2 | 1 | |||||||||||||||||||||
| Z Diyas | 5 | 2 | 5 | B Krejčíková | 77 | 6 | |||||||||||||||||||||
| V Gracheva | 3 | 1 | 3 | E Alexandrova | 64 | 1 | |||||||||||||||||||||
| WC | C Burel | 6 | 6 | WC | C Burel | 3 | 4 | ||||||||||||||||||||
| L Davis | 1 | 5 | 3 | E Alexandrova | 6 | 6 | |||||||||||||||||||||
| 3 | E Alexandrova | 6 | 7 | 5 | B Krejčíková | 5 | 6 | 6 | |||||||||||||||||||
| 7 | S Rogers | 7 | 66 | 7 | Q | J Niemeier | 7 | 3 | 4 | ||||||||||||||||||
| C McHale | 5 | 78 | 5 | 7 | S Rogers | 4 | 66 | ||||||||||||||||||||
| Q | J Niemeier | 6 | 6 | Q | J Niemeier | 6 | 78 | ||||||||||||||||||||
| Q | D Parry | 4 | 3 | Q | J Niemeier | 6 | 6 | ||||||||||||||||||||
| A Van Uytvanck | 4 | 4 |  A Rus | 4 | 1 | ||||||||||||||||||||||
| WC | H Tan | 6 | 6 | WC | H Tan | 1 | 1r | ||||||||||||||||||||
| A Rus | 6 | 6 | A Rus | 6 | 1 | ||||||||||||||||||||||
| 2 | J Pegula | 4 | 4 | ||||||||||||||||||||||||
Varvara Gracheva (moved to main draw) Zarina Diyas (moved to main draw) Christina McHale (moved to main draw) Andrea Petkovic (qualifying competition) Océane Dodin (qualified) Chloé Paquet (first round) Jule Niemeier (qualified) Simona Waltert (qualifying competition)
Ulrikke Eikeri (first round)
Jessica Pieri (first round) Zheng Qinwen (first round) Maryna Zanevska (qualified)| First round | Qualifying competition | ||||||||||||
| Yuliya Hatouka | 6 | 7 | |||||||||||
| WC | Evita Ramirez | 3 | 5 | ||||||||||
| WC | Evita Ramirez | 3 | 6 | 77 | |||||||||
| 10 | Jessica Pieri | 6 | 4 | 64 | |||||||||
| First round | Qualifying competition | ||||||||||||
| Alt | Angelina Gabueva | 5 | 2 | ||||||||||
 Despina Papamichail | 7 | 6 | |||||||||||
| Despina Papamichail | 6 | 2 | 5 | ||||||||||
| 12 | Maryna Zanevska | 4 | 6 | 7 | |||||||||
| WC | Elsa Jacquemot | 5 | 63 | ||||||||||
| 12 | Maryna Zanevska | 7 | 77 | ||||||||||
| First round | Qualifying competition | ||||||||||||
| Diane Parry | 2 | 6 | 6 | ||||||||||
| PR |  Karman Thandi | 6 | 4 | 2 | |||||||||
| PR | Karman Thandi | 6 | 4 | 77 | |||||||||
| 11 | Zheng Qinwen | 3 | 6 | 61 | |||||||||
| First round | Qualifying competition | ||||||||||||
| 4 | Andrea Petkovic | 7 | 63 | 6 | |||||||||
| WC | Estelle Cascino | 5 | 77 | 2 | |||||||||
| 4 | Andrea Petkovic | 3 | 77 | 3 | |||||||||
| 7 | Jule Niemeier | 6 | 64 | 6 | |||||||||
| Bianca Turati | 0 | 4 | |||||||||||
| 7 | Jule Niemeier | 6 | 6 | ||||||||||
| First round | Qualifying competition | ||||||||||||
| 5 | Océane Dodin | 6 | 6 | ||||||||||
| PR |  Naiktha Bains | 4 | 0 | ||||||||||
| 5 | Océane Dodin | 6 | 7 | ||||||||||
| 8 | Simona Waltert | 4 | 5 | ||||||||||
 Paula Ormaechea | 3 | 3 | |||||||||||
| 8 | Simona Waltert | 6 | 6 | ||||||||||
| First round | Qualifying competition | ||||||||||||
| 6 | Chloé Paquet | 4 | 7 | 3 | |||||||||
| WC | Jessika Ponchet | 6 | 5 | 6 | |||||||||
| WC | Jessika Ponchet | 64 | 6 | 3 | |||||||||
| Andrea Lázaro García | 77 | 1 | 6 | ||||||||||
| Andrea Lázaro García | 6 | 6 | |||||||||||
| 9 | Ulrikke Eikeri | 4 | 3 | ||||||||||
Yvonne Meusburger was the defending champion, but lost to Chanelle Scheepers in the second round.
Andrea Petkovic was the defending champion, but she lost to Angelique Kerber in the semifinals.
Mona Barthel was the defending champion, but she lost to Johanna Larsson in the final, 3–6, 6–7(2–7).
Annika Beck was the defending champion, but lost in the first round to Anna-Lena Friedsam.
Tereza Smitková was the defending champion, but chose not to participate this year.
Caroline Garcia won the title, defeating Louisa Chirico in the final 6–1, 6–3.
Caroline Wozniacki was the defending champion, but chose to compete in Monterrey instead.
Karolína Plíšková was the defending champion, but lost in the semifinals to Lucie Šafářová.
Annika Beck was the defending champion, but lost in the first round to Barbora Štefková.
Elitsa Kostova was the defending champion from the event's previous edition as an ITF Women's Circuit tournament, but lost in the first round of qualifying to Barbora Štefková.
Simona Halep was the defending champion and successfully defended her title, defeating Kristina Mladenovic in the final, 7–5, 6–7(5–7), 6–2.
Serena Williams was the defending champion, but did not participate this year due to pregnancy.
Dominika Cibulková was the defending champion but withdrew before the tournament began.
Johanna Konta was the defending champion, but lost in the fourth round to Venus Williams.
Elina Svitolina was the defending champion, but lost to Sloane Stephens in the semifinals.
Petra Kvitová won her second title at the Qatar Open, defeating Garbiñe Muguruza in the singles final, 6–2, 6–1, in a rematch of the 2018 final. Kvitová dropped just one set the entire tournament, to Anett Kontaveit in the quarterfinals.
The 2021 Internationaux de Strasbourg was a professional tennis tournament played on outdoor clay courts in Strasbourg, France. It was the 35th edition of the tournament and part of the WTA 250 tournaments of the 2021 WTA Tour. It took place at the Tennis Club de Strasbourg between 23 and 29 May 2021.
Paula Badosa defeated Barbora Krejčíková in the final, 6–3, 4–6, 7–6(7–4) to win the women's singles tennis title at the 2022 Sydney Tennis Classic. Krejčíková reached the final after having saved seven match points in her semifinal match against Anett Kontaveit.
Iga Świątek defeated Maria Sakkari in the final, 6–4, 6–1 to win the women's singles tennis title at the 2022 Indian Wells Masters. She became the first Pole to win the title.
Iga Świątek defeated Anett Kontaveit in the final, 6–2, 6–0 to win the singles title at the 2022 Qatar Open.
Ons Jabeur defeated Jessica Pegula in the final, 7–5, 0–6, 6–2 to win the women's singles tennis title at the 2022 Madrid Open. It was her first WTA 1000 title, and she became the first Arab and African woman to win a WTA 1000 title. Pegula reached the final after saving a match point in her first round match against Camila Giorgi.
| Grand Slam events | |
|---|---|
| WTA 1000 tournaments | |
| WTA 500 tournaments | |
| WTA 250 tournaments |
|
| Team events | |
Bold denotes the mandatory tournaments (WTA 1000)  – Tournaments are affected by the COVID-19 pandemic * – Tournaments are introduced due to the impact of the COVID-19 pandemic | |