Francesca Di Lorenzo was the defending champion, but lost in the second round to Jessika Ponchet.
Giuliana Olmos and Laura Pigossi were the defending champions, but both players chose not to participate.
Julia Glushko was the defending champion, but chose not to participate.
The 2019 Oeste Ladies Open was a professional tennis tournament played on outdoor hard courts. It was the first edition of the tournament which was part of the 2019 ITF Women's World Tennis Tour. It took place in Caldas da Rainha, Portugal between 23 and 29 September 2019.
This was the first edition of the tournament.
This was the first edition of the tournament.
Ekaterina Alexandrova was the defending champion, and successfully defended her title, defeating Aliaksandra Sasnovich in the final 6–1, 6–3.
Martina Di Giuseppe and Giulia Gatto-Monticone were the defending champions having won the previous edition in 2019, but chose not to participate.
This was the first edition of the tournament.
The 2021 Portugal Ladies Open was a professional women's tennis tournament played on outdoor hard courts. It was the second edition of the tournament which was part of the 2021 ITF Women's World Tennis Tour. It took place in Caldas da Rainha, Portugal between 13 and 19 September 2021.
This was the first edition of the tournament.
Amandine Hesse and Harmony Tan were the defending champions but Tan chose not to participate. Hesse partnered alongside Jessika Ponchet, but lost in the first round to Flavie Brugnone and Lucie Wargnier.
Jessika Ponchet and Eden Silva were the defending champions but Ponchet chose to compete at the 2021 Internationaux Féminins de la Vienne instead.
Akgul Amanmuradova and Ekaterine Gorgodze were the defending champions but chose not to participate.
Lu Jiajing and You Xiaodi were the defending champions but chose not to participate.
Harriet Dart and Lesley Pattinama Kerkhove were the defending champions but Dart chose not to participate. Pattinama Kerkhove partnered alongside Bibiane Schoofs but lost in the quarterfinals to Marine Partaud and Ioana Loredana Roșca.
Ekaterina Alexandrova defeated Aryna Sabalenka in the final, 7–5, 6–0 to win the women's singles title at the 2022 Rosmalen Grass Court Championships. It was her second WTA Tour singles title, and Alexandrova won the title despite being two points from defeat in the first round.
Momoko Kobori and Hiroko Kuwata were the defending champions but Kobori chose not to participate. Kuwata partnered alongside Kateryna Volodko, but lost in the semifinals to Adriana Reami and Anna Rogers.
Maia Lumsden and Jessika Ponchet won the title, defeating Anna Bondár and Kimberley Zimmermann in the final, 6–3, 7–6(7–4).
Petra Marčinko was the defending champion, but chose not to participate.
Momoko Kobori 
Alicia Barnett 
