| Doubles | |
|---|---|
| 2024 Oeiras Ladies Open | |
| Champions |  Francisca Jorge Matilde Jorge |
| Runners-up |  Harriet Dart  Kristina Mladenovic |
| Score | 6–0, 6–4 |
Ulrikke Eikeri and Eri Hozumi were the defending champions [1] [2] but Eikeri chose to compete in Stuttgart, whilst Hozumi chose not to participate.
Francisca and Matilde Jorge won the title, defeating Harriet Dart and Kristina Mladenovic in the final, 6–0, 6–4. [3]
Miriam Kolodziejová / Anna Sisková (semifinals) Harriet Dart / Kristina Mladenovic (final)
Luksika Kumkhum / Peangtarn Plipuech (semifinals) Alicia Barnett / Freya Christie (first round)| First round | Quarterfinals | Semifinals | Final | ||||||||||||||||||||||||
| 1 | M Kolodziejová A Sisková | 6 | 6 | ||||||||||||||||||||||||
 M Kolb N Kolb | 1 | 2 | 1 | M Kolodziejová A Sisková | 6 | 6 | |||||||||||||||||||||
| WC | M Garcia AF Santos | 2 | 2 |  N Dzalamidze  R Zarazúa | 4 | 1 | |||||||||||||||||||||
| N Dzalamidze R Zarazúa | 6 | 6 | 1 | M Kolodziejová A Sisková | 3 | 3 | |||||||||||||||||||||
| 4 | A Barnett F Christie | 3 | 0 | F Jorge M Jorge | 6 | 6 | |||||||||||||||||||||
| F Jorge M Jorge | 6 | 6 | F Jorge M Jorge | 6 | 6 | ||||||||||||||||||||||
M Bayerlová  N Fossa Huergo | 7 | 2 | [3] |  I Haverlag S Lamens | 3 | 4 | |||||||||||||||||||||
| I Haverlag S Lamens | 5 | 6 | [10] | F Jorge M Jorge | 6 | 6 | |||||||||||||||||||||
 C Corley I Corley | 6 | 6 | 2 | H Dart K Mladenovic | 0 | 4 | |||||||||||||||||||||
E Cascino  Z Kulambayeva | 4 | 1 | C Corley I Corley | 3 | 3 | ||||||||||||||||||||||
G Knutson  K Sebov | 63 | 2 | 3 | L Kumkhum P Plipuech | 6 | 6 | |||||||||||||||||||||
| 3 | L Kumkhum P Plipuech | 77 | 6 | 3 | L Kumkhum P Plipuech | 63 | 5 | ||||||||||||||||||||
| Alt |  A Falei V Lepchenko | 6 | 6 | 2 | H Dart K Mladenovic | 77 | 7 | ||||||||||||||||||||
 A Eala  T Preston | 4 | 4 | Alt | A Falei V Lepchenko | 1 | 4 | |||||||||||||||||||||
 C Perrin E Silva | 4 | 3 | 2 | H Dart K Mladenovic | 6 | 6 | |||||||||||||||||||||
| 2 | H Dart K Mladenovic | 6 | 6 | ||||||||||||||||||||||||
Laura Robson was the defending champion but lost in the third round to Quirine Lemoine.
Polona Hercog and Jessica Moore were the defending champions but did not compete in the Juniors this year.
Noppawan Lertcheewakarn and Sandra Roma were the defending champions, but Roma chose not to participate in the Juniors that year.
Lertcheewakarn partnered with Elena Bogdan, but Valeriya Solovyeva and Maryna Zanevska defeated them in the final 1–6, 6–3 [10–7].
Coco Vandeweghe was the defending champion, but lost in the quarterfinals to Kiki Bertens.
Shuko Aoyama and Gabriela Dabrowski were the defending champions, but Dabrowski chose to participate in Stanford instead. Aoyama played alongside Eri Hozumi, but lost in the quarterfinals to Lara Arruabarrena and Andreja Klepač who eventually lost in the final to Belinda Bencic and Kristina Mladenovic with the score 7–5, 7–6(9–7).
Caroline Garcia and Kristina Mladenovic were the defending champions, but Garcia chose not to participate this year. Mladenovic played alongside Svetlana Kuznetsova, but lost in the third round to Bethanie Mattek-Sands and Lucie Šafářová.
Tímea Babos and Kristina Mladenovic defeated Duan Yingying and Zheng Saisai in the final, 6–2, 6–3 to win the women's doubles tennis title at the 2019 French Open.
World No. 139 Clara Tauson won her first WTA singles tennis title as a qualifier, defeating Viktorija Golubic in the final of the 2021 Lyon Open, 6–4, 6–1. Tauson did not drop a set throughout the entire tournament, including qualifying rounds, and dropped just 35 games across seven matches. Tauson became the second Danish player in history, after Caroline Wozniacki, to win a WTA Tour singles title. The final match was the first WTA singles final to be contested between two qualifiers since the 2017 Japan Women's Open.
Veronika Kudermetova was the defending champion from 2019, when the tournament was last held as a WTA 125K series event, but she chose to compete in Dubai instead.
Anastasia Potapova and Yana Sizikova were the defending champions, but they decided not to participate this year.
This was the first edition of the women's event.
Polona Hercog was the defending champion but chose not to participate.
Anna Bondár was the defending champion but chose not to participate.
Eri Hozumi and Makoto Ninomiya defeated Monica Niculescu and Alexandra Panova in the final, 6–7(7–9), 6–3, [10–8] to win the doubles tennis title at the 2022 Morocco Open.
Kristina Mladenovic and Yanina Wickmayer defeated Asia Muhammad and Sabrina Santamaria in the final, 6–3, 6–2 to win the women's doubles tennis title at the 2022 Korea Open.
Eri Hozumi and Makoto Ninomiya were the reigning champions. Hozumi partnered Ulrikke Eikeri, but lost in the final to Greet Minnen and Bibiane Schoofs. Ninomiya chose to participate in Madrid instead.
Ulrikke Eikeri and Ingrid Neel defeated Harriet Dart and Heather Watson in the final, 7–6(8–6), 5–7, [10–8] to win the women's doubles title at the 2023 Nottingham Open.
Katarzyna Piter and Kimberley Zimmermann were the defending champions but Zimmermann chose not to participate. Piter partnered alongside Bibiane Schoofs but lost to Francisca and Matilde Jorge in the quarterfinals.
Jéssica Bouzas Maneiro and Guiomar Maristany were the defending champions but chose not to participate.
Suzan Lamens won the singles title at the 2024 Oeiras Ladies Open, defeating Clara Tauson in the final, 6–4, 5–7, 6–4.