| Singles | |
|---|---|
| 2017 Challenger Banque Nationale de Saguenay | |
| Champion |  Gréta Arn |
| Runner-up |  Bibiane Schoofs |
| Score | 6–1, 6–2 |
Catherine Bellis was the defending champion, but decided not to participate this year.
Gréta Arn won the title, defeating Bibiane Schoofs 6–1, 6–2 in the final.
Risa Ozaki (first round)
Bianca Andreescu (first round) Bibiane Schoofs (final) Carol Zhao (quarterfinals)
Victoria Rodríguez (first round)
Emina Bektas (first round)
Amra Sadiković (first round)
Ysaline Bonaventure (first round)| Semifinals | Final | ||||||||||||
 Jessika Ponchet | 77 | 5 | 3 | ||||||||||
| 3 | Bibiane Schoofs | 63 | 7 | 6 | |||||||||
| 3 | Bibiane Schoofs | 1 | 2 | ||||||||||
| Gréta Arn | 6 | 6 | |||||||||||
| Gréta Arn | 6 | 6 | |||||||||||
| Q |  Xu Shilin | 1 | 4 | ||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 1 | R Ozaki | 3 | 3 | ||||||||||||||||||||||||
| F Di Lorenzo | 6 | 6 | F Di Lorenzo | 6 | 6 | ||||||||||||||||||||||
 T Moore | 6 | 6 | T Moore | 2 | 4 | ||||||||||||||||||||||
| R Anderson | 4 | 3 | F Di Lorenzo | 3 | 4 | ||||||||||||||||||||||
| Q | Q Gleason | 4 | 3 | J Ponchet | 6 | 6 | |||||||||||||||||||||
| J Ponchet | 6 | 6 | J Ponchet | 6 | 6 | ||||||||||||||||||||||
| K Zimmermann | 6 | 66 | 6 | K Zimmermann | 0 | 3 | |||||||||||||||||||||
| 5 | V Rodríguez | 3 | 78 | 4 | J Ponchet | 77 | 5 | 3 | |||||||||||||||||||
| 3 | B Schoofs | 6 | 6 | 3 | B Schoofs | 63 | 7 | 6 | |||||||||||||||||||
 J Jakšić | 4 | 3 | 3 | B Schoofs | 3 | 6 | 78 | ||||||||||||||||||||
| M Sanchez | 3 | 6 | 6 | M Sanchez | 6 | 3 | 66 | ||||||||||||||||||||
 A Guarachi | 6 | 2 | 1 | 3 | B Schoofs | 3 | 77 | 6 | |||||||||||||||||||
| WC | C Robillard-Millette | 6 | 6 | WC | C Robillard-Millette | 6 | 61 | 2 | |||||||||||||||||||
 C-y Hsu | 4 | 2 | WC | C Robillard-Millette | 6 | 7 | |||||||||||||||||||||
 M Hončová | 6 | 6 | M Hončová | 3 | 5 | ||||||||||||||||||||||
| 7 | A Sadiković | 4 | 3 | ||||||||||||||||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 6 | E Bektas | 7 | 3 | 1 | |||||||||||||||||||||||
| J Elbaba | 5 | 6 | 6 | J Elbaba | 0 | 4 | |||||||||||||||||||||
 S-R Sekulic | 3 | 0 | G Arn | 6 | 6 | ||||||||||||||||||||||
| G Arn | 6 | 6 | G Arn | 6 | 6 | ||||||||||||||||||||||
| WC | C Leduc | 3 | 2 | 4 | C Zhao | 0 | 1 | ||||||||||||||||||||
| A-S Mestach | 6 | 6 | A-S Mestach | 4 | 2 | ||||||||||||||||||||||
| Q |  E Bovina | 6 | 3 | 63 | 4 | C Zhao | 6 | 6 | |||||||||||||||||||
| 4 | C Zhao | 1 | 6 | 77 | G Arn | 6 | 6 | ||||||||||||||||||||
| 8/PR | Y Bonaventure | 77 | 4 | 5 | Q | S Xu | 1 | 4 | |||||||||||||||||||
| M Mateas | 65 | 6 | 7 | M Mateas | 1 | 4 | |||||||||||||||||||||
| WC | LA Fernandez | 7 | 6 | WC | LA Fernandez | 6 | 6 | ||||||||||||||||||||
| WC | I Boulais | 5 | 2 | WC | LA Fernandez | 5 | 4 | ||||||||||||||||||||
| Q | A Stevenson | 6 | 4 | 6 | Q | S Xu | 7 | 6 | |||||||||||||||||||
| R Yurovsky | 3 | 6 | 2 | Q | A Stevenson | 0 | 3 | ||||||||||||||||||||
| Q | S Xu | 7 | 0 | 77 | Q | S Xu | 6 | 6 | |||||||||||||||||||
| 2 | B Andreescu | 5 | 6 | 63 | |||||||||||||||||||||||
Victoria Azarenka was the defending champion, but she was already participating in the women's tournament.
Ksenia Pervak was the defending champion, but decided not to participate.
Kiki Bertens and Johanna Larsson were the defending champions, but Bertens chose to compete in Brisbane instead and Larsson chose not to participate this year.
Nicola Geuer and Anna Zaja were the defending champions, but Zaja chose not to participate. Geuer played alongside Cornelia Lister, but lost in the semifinals to Ysaline Bonaventure and Bibiane Schoofs.
Dalila Jakupović and Nadiia Kichenok were the defending champions, but Kichenok chose to compete in Stuttgart instead. Jakupović played alongside Irina Khromacheva, but lost in the first round to Natela Dzalamidze and Anna Kalinskaya.
Tímea Babos and Andrea Sestini Hlaváčková were the defending champions, but Babos chose not to participate and Sestini Hlaváčková chose to compete in Prague instead.
Victoria Azarenka and Olga Govortsova were the defending champions, and decided not to play together. Govortsova competed with Alisa Kleybanova but lost in the semifinals to Azarenka and her partner Ágnes Szávay.
Kiki Bertens and Johanna Larsson were the defending champions, but Bertens chose not to participate this year. Larsson played alongside Eugenie Bouchard, but lost in the first round to Rika Fujiwara and Darija Jurak.
The women's doubles of the 2018 Advantage Cars Prague Open tournament was played on clay in Prague, Czech Republic.
Kateřina Böhmová and Michaëlla Krajicek were the defending champions, but did not compete in the Juniors that year.
Anastasia Pavlyuchenkova was the defending champion, but chose to compete in Linz instead.
Sara Errani and Bibiane Schoofs were the defending champions, but Errani was unable to participate due to her doping suspension. Schoofs played alongside Desirae Krawczyk, but lost in the first round to Han Xinyun and Darija Jurak.
Ysaline Bonaventure and Bibiane Schoofs were the defending champions, but Bonaventure chose not to participate. Schoofs played alongside Olga Doroshina, but lost in the first round to Audrey Albié and Margot Yerolymos.
Marta Fraga and Adriana González-Peñas were the defending champions, but did not compete in the Juniors that year.
Anna Karolína Schmiedlová was the defending champion, but lost in the second round to Beatriz Haddad Maia.
Shuko Aoyama and Aleksandra Krunić defeated Lesley Kerkhove and Bibiane Schoofs in the final, 7–5, 6–3, to win the women's doubles tennis title at the 2019 Rosmalen Grass Court Championships.
Duan Yingying and Wang Yafan were the defending champions, but Wang chose to compete in Nanchang instead. Duan played alongside Zheng Saisai, but lost in the first round to Lesley Pattinama Kerkhove and Bibiane Schoofs.
Jeļena Ostapenko won the title, defeating defending champion Julia Görges in the final, 6–4, 6–1.
Tara Moore and Conny Perrin were the defending champions, but Perrin chose not to participate. Moore partnered Emina Bektas, but lost to Samantha Murray and Bibiane Schoofs in the semifinals.
Ankita Raina and Karman Thandi were the defending champions but Thandi chose not to participate. Raina partnered alongside Bibiane Schoofs, but lost in the quarterfinals to Lee Ya-hsuan and Wu Fang-hsien.