Timea Bacsinszky and Kristina Barrois were the defending champions having won the last edition in 2013, but chose not to participate.
Monica Niculescu was the defending champion, but lost to Lauren Davis in the quarterfinals.
Andreea Mitu and Monica Niculescu were the defending champions, but Niculescu chose not to participate. Mitu played alongside Patricia Maria Țig, but lost in the first round to Nao Hibino and Alicja Rosolska.
Kristýna Plíšková was the defending champion, but lost in the second round to Kurumi Nara.
Raluca Olaru and İpek Soylu were the defending champions, but Olaru chose to compete in Wuhan instead. Soylu played alongside Irina Khromacheva, but lost in the semifinal to Tímea Babos and Andrea Hlaváčková.
Nao Hibino and Alicja Rosolska were the defending champions, but Rosolska chose to compete in Charleston instead. Hibino played alongside Darija Jurak, but lost in the quarterfinals to Valeria Savinykh and Yana Sizikova.
Marta Kostyuk was the defending champion, but lost to Wang Xiyu in the second round.
Gabriella Taylor was the defending champion, but lost in the first round to Paula Badosa Gibert.
Victoria Azarenka won the women's singles tennis title at the 2020 Cincinnati Masters via walkover, after Naomi Osaka withdrew from the final with a hamstring injury. It was Azarenka's first singles title since the 2016 Miami Open, and her first since giving birth to her son Leo in December 2016.
Anastasia Potapova defeated Veronika Kudermetova in the final, 6–3, 6–1 to win the singles title at the 2022 İstanbul Cup. It was her maiden WTA Tour title.
Barbora Krejčíková defeated Anett Kontaveit in the final, 6–2, 6–3 to win the singles tennis title at the 2022 Tallinn Open.
The 2023 Canberra Tennis International was a professional tennis tournament played on outdoor hard courts. It was the fifth edition of the tournament and was part of the 2023 ATP Challenger Tour and the 2023 ITF Women's World Tennis Tour. It took place in Canberra, Australia between 2 and 7 January 2023.
Alison Bai and Jaimee Fourlis were the defending champions, but both players chose not to participate.
Zhu Lin defeated Lesia Tsurenko in the final, 6–4, 6–4 to win the women's singles tennis title at the 2023 Thailand Open. It was her first WTA Tour singles title.
Mirjam Björklund won the title, defeating Emma Navarro in the final, 6–4, 7–5.
The defending champion Ana Bogdan won her second consecutive women's singles title at the 2023 Iași Open, defeating Irina-Camelia Begu in the final, 6–2, 6–3.
Ons Jabeur defeated Diana Shnaider in the final, 6–2, 6–1 to win the singles tennis title at the 2023 Ningbo Open. It was her first hardcourt title on the WTA Tour, after prior championships on clay and grass surfaces. Shnaider was contesting her first WTA Tour final.
Jodie Burrage and Jil Teichmann defeated Léolia Jeanjean and Valeriya Strakhova in the final, 6–1, 6–4 to win the doubles tennis title at the 2023 Transylvania Open.
Katie Boulter was the defending champion but chose not to defend her title as she was competing at the United Cup being held during the same week.
Caty McNally and Asia Muhammad defeated Harriet Dart and Tereza Mihalíková in the final, 6–3, 6–4 to win the doubles tennis title at the 2024 Transylvania Open.
Veronika Erjavec 
Darja Semeņistaja 
Kaylah McPhee 
