Angelique Kerber was the defending champion, but retired in the semifinals against Sloane Stephens.
Çağla Büyükakçay won her first WTA title, defeating Danka Kovinić in the final, 3–6, 6–2, 6–3. She became the first Turkish woman to lift a WTA Tour title.
Mandy Minella was the defending champion, but lost to Alexandra Cadanțu in the semifinals.
Dominika Cibulková was the defending champion, but lost in the second round to Heather Watson.
Kiki Bertens was the two-time defending champion, but lost in the quarterfinals to Kirsten Flipkens.
Garbiñe Muguruza was the defending champion and successfully defended her title, after Victoria Azarenka retired in the final with a leg injury with the score at 6–1, 3–1.
Ashleigh Barty was the defending champion, but withdrew before the tournament began.
Caroline Wozniacki was the defending champion, but lost in the third round to Aryna Sabalenka in a rematch of the previous year's final.
The 2021 Hamburg European Open was a combined men's and women's tennis tournament played on outdoor clay courts. It was the 115th edition of the event for the men and the 19th edition for the women, after last tournament being held in 2002. The tournament was classified as a WTA 250 tournament on the 2021 WTA Tour and as an ATP Tour 500 series on the 2021 ATP Tour. The tournament took place at the Am Rothenbaum in Hamburg, Germany between 6 and 18 July 2021. The event was scheduled a week earlier than the usual late July date to avoid scheduling conflicts with the 2020 Summer Olympics.
Maryna Zanevska won her maiden WTA Tour singles title, defeating Kristína Kučová in the final, 6–4, 7–6(7–4).
Fiona Ferro was the defending champion, but she chose not to participate, as she was competing at the Summer Olympics.
This was the first edition of the tournament.
Paula Badosa defeated Victoria Azarenka in the final, 7–6(7–5), 2–6, 7–6(7–2) to win the women's singles tennis title at the 2021 Indian Wells Masters. At three hours and four minutes, the final was the longest-ever Indian Wells women's final. Badosa became the first Spanish woman to win the title. This was her first WTA 1000 title and second career WTA Tour singles title. Azarenka was aiming to become the first woman to win the title three times.
This was the first edition of the tournament.
Madison Keys defeated Alison Riske in the final, 6–1, 6–2 to win the women's singles tennis title at the 2022 Adelaide International 2.
Jeļena Ostapenko defeated Veronika Kudermetova in the final, 6–0, 6–4 to win the women's singles tennis title at the 2022 Dubai Tennis Championships. She saved a match point en route to the title, in the quarterfinals against Petra Kvitová.
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.
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.
Bernarda Pera defeated Anett Kontaveit in the final, 6–2, 6–4 to win the women's singles tennis title at the 2022 Hamburg European Open. It was her second WTA Tour title in as many weeks, and she neither dropped a set nor lost more than four games in any set en route to the title.
Elena-Gabriela Ruse 
Andrea Petkovic 
