| Singles | |
|---|---|
| 2019 Engie Open Nantes Atlantique | |
| Champion |  Cristina Bucșa |
| Runner-up |  Tamara Korpatsch |
| Final score | 6–2, 6–7(11–13), 7–6(8–6) |
Timea Bacsinszky was the defending champion, but chose not to participate. [1]
Cristina Bucșa won the title, defeating Tamara Korpatsch in the final, 6–2, 6–7(11–13), 7–6(8–6).
Tatjana Maria (Quarterfinals, retired)
Varvara Gracheva (First round) Aliona Bolsova (First round) Vitalia Diatchenko (Quarterfinals) Tamara Korpatsch (Final)
Ana Bogdan (Semifinals)
Chloé Paquet (First round)
Ekaterine Gorgodze (Second round)| Semifinals | Final | ||||||||||||
| Cristina Bucșa | 6 | 6 | |||||||||||
 Martina Caregaro | 2 | 1 | |||||||||||
| Cristina Bucșa | 6 | 611 | 78 | ||||||||||
| 5 | Tamara Korpatsch | 2 | 713 | 66 | |||||||||
| 6 | Ana Bogdan | 6 | 3 | 3 | |||||||||
| 5 | Tamara Korpatsch | 0 | 6 | 6 | |||||||||
| First Round | Second Round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 1 | T Maria | 6 | 6 | ||||||||||||||||||||||||
| Q |  J Terziyska | 3 | 4 | 1 | T Maria | 6 | 62 | 6 | |||||||||||||||||||
 L Salden | 6 | 6 | L Salden | 3 | 77 | 1 | |||||||||||||||||||||
| O Sáez Larra | 2 | 2 | 1 | T Maria | 4 | 0r | |||||||||||||||||||||
| Q | T Gravouil | 4 | 4 | C Bucșa | 6 | 3 | |||||||||||||||||||||
| C Bucșa | 6 | 6 | C Bucșa | 6 | 6 | ||||||||||||||||||||||
| WC | S Cakarevic | 6 | 4 | 5 | 8 | E Gorgodze | 4 | 2 | |||||||||||||||||||
| 8 | E Gorgodze | 4 | 6 | 7 | C Bucșa | 6 | 6 | ||||||||||||||||||||
| 3 | A Bolsova | 5 | 1 | M Caregaro | 2 | 1 | |||||||||||||||||||||
| M Caregaro | 7 | 6 | M Caregaro | 6 | 6 | ||||||||||||||||||||||
| V Heisen | 6 | 6 | V Heisen | 0 | 2 | ||||||||||||||||||||||
| Q | V Meliss | 4 | 4 | M Caregaro | 77 | 5 | 78 | ||||||||||||||||||||
| A Albié | 6 | 6 | A Albié | 65 | 7 | 66 | |||||||||||||||||||||
| Q | L Cortez Llorca | 4 | 2 | A Albié | 6 | 6 | |||||||||||||||||||||
| Q | M Noël | 6 | 6 | Q | M Noël | 3 | 1 | ||||||||||||||||||||
| 7 | C Paquet | 3 | 4 | ||||||||||||||||||||||||
| First Round | Second Round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 6 | A Bogdan | 61 | 6 | 6 | |||||||||||||||||||||||
| M Georges | 77 | 2 | 4 | 6 | A Bogdan | 77 | 3 | 6 | |||||||||||||||||||
| LL | E Lechemia | 4 | 2 | O Dodin | 63 | 6 | 2 | ||||||||||||||||||||
| PR | O Dodin | 6 | 6 | 6 | A Bogdan | 79 | 6 | ||||||||||||||||||||
| Q | S Djoubri | 2 | 3 | 4 | V Diatchenko | 67 | 3 | ||||||||||||||||||||
 J Malečková | 6 | 6 | J Malečková | 2 | 1 | ||||||||||||||||||||||
 D Marcinkēviča | 2 | 2 | 4 | V Diatchenko | 6 | 6 | |||||||||||||||||||||
| 4 | V Diatchenko | 6 | 6 | 6 | A Bogdan | 6 | 3 | 3 | |||||||||||||||||||
| 5 | T Korpatsch | 6 | 6 | 5 | T Korpatsch | 0 | 6 | 6 | |||||||||||||||||||
| WC | A Tubello | 3 | 4 | 5 | T Korpatsch | 6 | 6 | ||||||||||||||||||||
| Q | M Armitano | 79 | 66 | 3 | Q |  A Amanmuradova | 3 | 3 | |||||||||||||||||||
| Q | A Amanmuradova | 67 | 78 | 6 | 5 | T Korpatsch | 6 | 6 | |||||||||||||||||||
| M Yerolymos | 4 | 5 | A Hesse | 1 | 1 | ||||||||||||||||||||||
| WC | I Ramialison | 6 | 7 | WC | I Ramialison | 3 | 4 | ||||||||||||||||||||
| A Hesse | 6 | 77 | A Hesse | 6 | 6 | ||||||||||||||||||||||
| 2 | V Gracheva | 3 | 64 | ||||||||||||||||||||||||
Stefanie Vögele was the defending champion, but chose not to participate.
Elitsa Kostova was the defending champion from the event's previous edition as an ITF Women's Circuit tournament, but lost in the first round of qualifying to Barbora Štefková.
This is the first edition of the tournament.
The 2017 Ricoh Open was a tennis tournament played on outdoor grass courts. It was the 28th edition of the Rosmalen Grass Court Championships, and part of the 250 Series of the 2017 ATP World Tour, and of the WTA International tournaments of the 2017 WTA Tour. Both the men's and the women's events took place at the Autotron park in Rosmalen, 's-Hertogenbosch in the Netherlands, from June 12 through June 18, 2017.
Maryna Zanevska was the defending champion, but chose not to participate.
Mona Barthel was the defending champion, but lost in the first round to Antonia Lottner.
Markéta Vondroušová was the defending champion, but chose not to participate.
This was the first edition of the tournament.
Mihaela Buzărnescu was the defending champion, but chose not to participate.
Carina Witthöft was the defending champion, but lost in the first round to Vera Lapko.
Georgina García Pérez was the defending champion, but chose to participate at the 2019 Burnie International instead.
Petra Kvitová was the defending champion, but chose not to participate this year.
Tamara Korpatsch was the defending champion, but chose to participate at the 2019 Ladies Open Lausanne instead.
Richèl Hogenkamp was the defending champion, but retired in the semifinals against Tamara Korpatsch.
Ekaterine Gorgodze was the defending champion, but chose to participate in Warsaw instead.
Paula Badosa was the defending champion, but chose not to participate.
This was the first edition of the tournament.
Rebecca Šramková was the defending champion but lost in the quarterfinals to Natalia Vikhlyantseva.
World No. 1 Ashleigh Barty defeated Aryna Sabalenka in the final, 3–6, 6–0, 6–3 to win the Women's Singles tennis title at the 2021 edition of the Stuttgart Open.
Andrea Sestini Hlaváčková and Lucie Hradecká were the defending champions having won the previous edition in 2013, but Hradecká chose to compete at the 2021 Prague Open instead, whilst Sestini Hlaváčková retired from professional tennis in 2019.