| Singles | |
|---|---|
| 2016 L'Open Emeraude Solaire de Saint-Malo | |
| Champion |  Maryna Zanevska |
| Runner-up |  Camilla Rosatello |
| Final score | 6–1, 6–3 |
Daria Kasatkina was the defending champion, but chose not to participate.
Maryna Zanevska won the title, defeating Camilla Rosatello in the final, 6–1, 6–3.
Sílvia Soler Espinosa (semifinals)
Barbara Haas (second round)
Cindy Burger (second round)
Isabella Shinikova (first round)
Virginie Razzano (first round, retired) Myrtille Georges (second round)
Nina Stojanović (quarterfinals) Maryna Zanevska (champion)| Semifinals | Final | ||||||||||||
| 1 | Sílvia Soler Espinosa | 2 | 2 | ||||||||||
| 8 | Maryna Zanevska | 6 | 6 | ||||||||||
| 8 | Maryna Zanevska | 6 | 6 | ||||||||||
| Q | Camilla Rosatello | 1 | 3 | ||||||||||
| Q | Camilla Rosatello | 6 | 6 | ||||||||||
| WC | Fiona Ferro | 0 | 0 | ||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 1 | S Soler Espinosa | 6 | 77 | ||||||||||||||||||||||||
 A Carreras | 0 | 64 | 1 | S Soler Espinosa | 77 | 6 | |||||||||||||||||||||
 D Seguel | 2 | 6 | 2 | Q |  B Haddad Maia | 64 | 3 | ||||||||||||||||||||
| Q | B Haddad Maia | 6 | 3 | 6 | 1 | S Soler Espinosa | 6 | 6 | |||||||||||||||||||
 A Cadanțu | 6 | 6 |  V Flink | 3 | 2 | ||||||||||||||||||||||
| WC | A Albié | 2 | 3 | A Cadanțu | 3 | 3 | |||||||||||||||||||||
| V Flink | 3 | 7 | 4 | V Flink | 6 | 6 | |||||||||||||||||||||
| 5 | V Razzano | 6 | 5 | 1r | 1 | S Soler Espinosa | 2 | 2 | |||||||||||||||||||
| 3 | C Burger | 64 | 6 | 7 | 8 | M Zanevska | 6 | 6 | |||||||||||||||||||
 C Perrin | 77 | 3 | 5 | 3 | C Burger | 3 | 6 | 65 | |||||||||||||||||||
| O Sáez Larra | 6 | 4 | 1 | V Kamenskaya | 6 | 2 | 77 | ||||||||||||||||||||
| V Kamenskaya | 4 | 6 | 6 | V Kamenskaya | 65 | 2 | |||||||||||||||||||||
| Q |  E Kordolaimi | 6 | 5 | 3 | 8 | M Zanevska | 77 | 6 | |||||||||||||||||||
| Q | A Matteucci | 2 | 7 | 6 | Q | A Matteucci | 6 | 1 | 1 | ||||||||||||||||||
 L Gjorcheska | 4 | 0 | 8 | M Zanevska | 4 | 6 | 6 | ||||||||||||||||||||
| 8 | M Zanevska | 6 | 6 | ||||||||||||||||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 6 | M Georges | 6 | 3 | 6 | |||||||||||||||||||||||
| A Grymalska | 4 | 6 | 3 | 6 | M Georges | 6 | 4 | 65 | |||||||||||||||||||
| Q | C Rosatello | 6 | 6 | Q | C Rosatello | 4 | 6 | 77 | |||||||||||||||||||
| WC | E Thébault | 3 | 3 | Q | C Rosatello | 6 | 6 | ||||||||||||||||||||
| PR | C Feuerstein | 2 | 2 | SE | C Paquet | 4 | 2 | ||||||||||||||||||||
| SE | C Paquet | 6 | 6 | SE | C Paquet | 7 | 6 | ||||||||||||||||||||
 T Smitková | 6 | 6 | T Smitková | 5 | 1 | ||||||||||||||||||||||
| 4 | I Shinikova | 0 | 1 | Q | C Rosatello | 6 | 6 | ||||||||||||||||||||
| 7 | N Stojanović | 6 | 6 | WC | F Ferro | 0 | 0 | ||||||||||||||||||||
| J Grabher | 3 | 3 | 7 | N Stojanović | 6 | 3 | 6 | ||||||||||||||||||||
| J Malečková | 6 | 6 | J Malečková | 2 | 6 | 4 | |||||||||||||||||||||
| WC | J Boualem | 4 | 0 | 7 | N Stojanović | 77 | 63 | 1 | |||||||||||||||||||
| LL | H Tan | 2 | 4 | WC | F Ferro | 64 | 77 | 6 | |||||||||||||||||||
| WC | F Ferro | 6 | 6 | WC | F Ferro | 6 | 4 | 6 | |||||||||||||||||||
| P Leykina | 0 | 0 | 2 | B Haas | 0 | 6 | 1 | ||||||||||||||||||||
| 2 | B Haas | 6 | 6 | ||||||||||||||||||||||||
Ksenia Pervak was the defending champion, but did not compete in the juniors this year.
Tímea Babos and Sloane Stephens were the defending champions, but they chose to not participate this year.
Irina Khromacheva and Maryna Zanevska were the defending champions. Zanevska did not compete in the event, but Khromacheva retained her title alongside new partner Daria Gavrilova, with the Russian pair defeating Montserrat González and Beatriz Haddad Maia in the final, 4–6, 6–4, [10–8].
Annika Beck was the defending champion in the 2013 Reinert Open, having won the event in 2012, but she chose not to defend her title in Versmold.
Venus Williams was the defending champion, but decided not to participate.
Caroline Wozniacki won the title, defeating Annika Beck in the final, 6–2, 6–2.
Victoria Azarenka was the two-time defending champion, but withdrew before the tournament began because of a foot injury.
Francesca Schiavone was the defending champion, but lost in the first round to Beatriz García Vidagany.
Bojana Jovanovski was the defending champion, but she lost in the final to Karin Knapp who won her first WTA title without losing a set.
Caroline Wozniacki was the defending champion, but chose not to participate this year.
Mona Barthel was the defending champion, but she lost to Johanna Larsson in the final, 3–6, 6–7(2–7).
Andrea Petkovic was the defending champion, but she chose not to participate this year.
Samantha Stosur won the title, defeating Karin Knapp in the final, 3–6, 7–6(7–3), 6–2.
Lesia Tsurenko was the defending champion, but lost in the first round to Sorana Cîrstea.
Olga Fridman was the defending champion, but chose not to participate.
Dominika Cibulková was the defending champion but withdrew before the tournament began.
Svetlana Kuznetsova was the two-time defending champion, but withdrew before the tournament began.
Daria Kasatkina was the defending champion, but lost in the quarterfinals to Julia Görges.
Maryna Zanevska was the defending champion, but lost to Nao Hibino in the second round.
Elina Svitolina was the defending champion but chose not to participate.
Petra Martić was the defending champion, but chose to compete at the 2021 Western & Southern Open instead.
Katy Dunne was the defending champion but chose not to participate.