| Singles | |
|---|---|
| 2016 Engie Open de Biarritz | |
| Champion |  Rebecca Šramková |
| Runner-up |  Martina Trevisan |
| Final score | 6–3, 4–6, 6–1 |
Laura Siegemund was the defending champion, but chose not to participate.
Rebecca Šramková won the title, defeating Martina Trevisan in the final, 6–3, 4–6, 6–1.
Pauline Parmentier (quarterfinals)
Sorana Cîrstea (semifinals)
Carina Witthöft (quarterfinals)
Irina Khromacheva (quarterfinals)
Sílvia Soler Espinosa (first round)
Teliana Pereira (first round)
Cindy Burger (first round) Rebecca Šramková (champion)| Semifinals | Final | ||||||||||||
| Q | Martina Trevisan | 77 | 6 | ||||||||||
| WC | Chloé Paquet | 64 | 3 | ||||||||||
| Q | Martina Trevisan | 3 | 6 | 1 | |||||||||
| 8 | Rebecca Šramková | 6 | 4 | 6 | |||||||||
| 8 | Rebecca Šramková | 6 | 7 | ||||||||||
| 2 | Sorana Cîrstea | 3 | 5 | ||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 1 | P Parmentier | 6 | 6 | ||||||||||||||||||||||||
| M Georges | 2 | 2 | 1 | P Parmentier | 6 | 6 | |||||||||||||||||||||
| Q | J Paolini | 4 | 6 | 6 | Q | J Paolini | 2 | 2 | |||||||||||||||||||
| F Ferro | 6 | 4 | 0 | 1 | P Parmentier | 4 | 1 | ||||||||||||||||||||
| PR | C Feuerstein | 4 | 2 | Q | M Trevisan | 6 | 6 | ||||||||||||||||||||
| O Sáez Larra | 6 | 6 | O Sáez Larra | 4 | 4 | ||||||||||||||||||||||
| Q | M Trevisan | 3 | 6 | 77 | Q | M Trevisan | 6 | 6 | |||||||||||||||||||
| 7 | C Burger | 6 | 3 | 63 | Q | M Trevisan | 77 | 6 | |||||||||||||||||||
| 4 | I Khromacheva | 6 | 1 | 6 | WC | C Paquet | 64 | 3 | |||||||||||||||||||
| WC | H Tan | 0 | 6 | 2 | 4 | I Khromacheva | 6 | 6 | |||||||||||||||||||
| Q | V Flink | 6 | 6 | Q | V Flink | 2 | 4 | ||||||||||||||||||||
 T Smitková | 3 | 3 | 4 | I Khromacheva | 1 | 3 | |||||||||||||||||||||
| WC | C Paquet | 6 | 64 | 6 | WC | C Paquet | 6 | 6 | |||||||||||||||||||
| WC | J Ponchet | 4 | 77 | 4 | WC | C Paquet | 0 | ||||||||||||||||||||
 C Pella | 5 | 6 | 6 | C Pella | 1r | ||||||||||||||||||||||
| 5 | S Soler Espinosa | 7 | 2 | 2 | |||||||||||||||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 8 | R Šramková | 6 | 6 | ||||||||||||||||||||||||
| L Pous Tió | 3 | 2 | 8 | R Šramková | 6 | 77 | |||||||||||||||||||||
| WC | S Cakarevic | 2 | 6 | 2 |  N Stojanović | 4 | 64 | ||||||||||||||||||||
| N Stojanović | 6 | 4 | 6 | 8 | R Šramková | 6 | 6 | ||||||||||||||||||||
 A Carreras | 77 | 6 | 3 | C Witthöft | 2 | 3 | |||||||||||||||||||||
| N Vikhlyantseva | 65 | 2 | A Carreras | 2 | 5 | ||||||||||||||||||||||
| V Razzano | 4 | 1 | 3 | C Witthöft | 6 | 7 | |||||||||||||||||||||
| 3 | C Witthöft | 6 | 6 | 8 | R Šramková | 6 | 7 | ||||||||||||||||||||
| 6 | T Pereira | 3 | 6 | 5 | 2 | S Cîrstea | 3 | 5 | |||||||||||||||||||
| V Kudermetova | 6 | 2 | 7 | V Kudermetova | 4 | 6 | 6 | ||||||||||||||||||||
 M Zanevska | 77 | 6 | M Zanevska | 6 | 4 | 2 | |||||||||||||||||||||
| T Korpatsch | 62 | 3 | V Kudermetova | 1 | 4 | ||||||||||||||||||||||
 D Seguel | 6 | 6 | 2 | S Cîrstea | 6 | 6 | |||||||||||||||||||||
| P Leykina | 2 | 2 | D Seguel | 1 | 1 | ||||||||||||||||||||||
| Q | B Haddad Maia | 1 | 6 | 2 | 2 | S Cîrstea | 6 | 6 | |||||||||||||||||||
| 2 | S Cîrstea | 6 | 2 | 6 | |||||||||||||||||||||||
Michaëlla Krajicek was the defending champion, however she chose to participate in Dubai instead.
Anna-Lena Friedsam was the defending champion but chose to participate in Mallorca instead.
Anna Karolína Schmiedlová was the defending champion, but lost in the first round to Aliaksandra Sasnovich.
This is a new event in the ITF Women's Circuit.
Kristýna Plíšková won the title, defeating defending champion Nao Hibino in the final, 6–3, 2–6, 6–3.
Misaki Doi was the defending champion, but lost in the first round to Lauren Davis.
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.
Rebecca Šramková was the defending champion, but chose not to participate.
Irina-Camelia Begu was the defending champion, but lost to Ons Jabeur in the first round.
Georgina García Pérez was the defending champion, but chose to participate at the 2019 Burnie International instead.
The singles tournament at the 2019 WTA 250 Ladies Open Lugano in tennis was played on clay and contested between 50 women on 8 — 14 April 2019. Elise Mertens was defending champion, but abstained.
Barbora Krejčíková was the defending champion, but chose not to participate.
Monika Kilnarová was the defending champion, but lost to Dejana Radanović in the first round.
Olga Ianchuk was the defending champion, but chose not to participate.
Paula Badosa was the defending champion, but chose not to participate.
Rebecca Šramková was the defending champion but lost in the quarterfinals to Natalia Vikhlyantseva.
Simona Halep was the defending champion, but chose not to participate.
Jana Čepelová was the defending champion but chose not to participate.
This was the first edition of the tournament.