2019 Ladies Open Lausanne

The 2019 Ladies Open Lausanne was a women's tennis tournament played on outdoor clay courts. It was the 27th edition of the tournament (the first to be held in Lausanne), and part of the International category of the 2019 WTA Tour. It took place at Tennis Club Stade-Lausanne in Lausanne, Switzerland, from 15 July through 21 July 2019.

Seeds

 * 1 Rankings are as of 1 July 2019.

Other entrants
The following players received wildcards into the main draw:
 * Ylena In-Albon
 * Tess Sugnaux
 * Simona Waltert

The following players received entry from the qualifying draw:
 * 🇮🇹 Giulia Gatto-Monticone
 * 🇷🇺 Varvara Gracheva
 * 🇦🇹 Barbara Haas
 * 🇺🇸 Allie Kiick
 * 🇮🇹 Jasmine Paolini
 * 🇷🇺 Anastasia Potapova

The following players received entry as lucky losers:
 * 🇨🇳 Han Xinyun
 * 🇸🇰 Kristína Kučová

Withdrawals

 * 🇷🇺 Ekaterina Alexandrova → replaced by 🇷🇺 Natalia Vikhlyantseva
 * 🇺🇦 Kateryna Kozlova → replaced by 🇨🇳 Han Xinyun
 * 🇱🇺 Mandy Minella → replaced by 🇸🇰 Kristína Kučová
 * 🇨🇿 Karolína Muchová → replaced by 🇮🇹 Martina Trevisan
 * 🇷🇺 Evgeniya Rodina → replaced by 🇱🇺 Mandy Minella
 * 🇺🇦 Lesia Tsurenko → replaced by Conny Perrin
 * 🇨🇳 Zhang Shuai → replaced by 🇩🇪 Antonia Lottner

Retirements

 * 🇩🇪 Julia Görges (right forearm injury)

Seeds

 * 1 Rankings are as of 1 July 2019.

Other entrants
The following pairs received wildcards into the doubles main draw:
 * Ylena In-Albon / Conny Perrin
 * Tess Sugnaux / Simona Waltert

Withdrawals

 * 🇫🇷 Pauline Parmentier (viral illness)

Singles

 * 🇫🇷 Fiona Ferro defeated 🇫🇷 Alizé Cornet 6–1, 2–6, 6–1

Doubles

 * 🇷🇺 Anastasia Potapova / 🇷🇺 Yana Sizikova defeated 🇦🇺 Monique Adamczak / 🇨🇳 Han Xinyun, 6–2, 6–4