2019 Ladies Open Lausanne – Singles

Alizé Cornet was the defending champion, but lost in the final. Fiona Ferro won her first career WTA Tour singles title, defeating Cornet in the final, 6–1, 2–6, 6–1.

Seeds
• #🇩🇪 Julia Görges (first round, retired)

• #🇫🇷 Caroline Garcia (second round)

• #🇫🇷 Alizé Cornet (final)

• #🇷🇴 Mihaela Buzărnescu (second round)

• #🇩🇪 Tatjana Maria (first round)

• #🇺🇦 Kateryna Kozlova (withdrew)

• #🇦🇺 Daria Gavrilova (second round)

• #🇨🇦 Eugenie Bouchard (first round) Note: Anastasia Potapova, who entered late and played in the qualifying tournament, would have been seeded 7th if she had entered the tournament prior to the initial entry cutoff date of 3 June 2019.

Seeds
• # 🇷🇺 Anastasia Potapova (qualified)

• # 🇺🇸 Allie Kiick (qualified)

• # 🇮🇹 Jasmine Paolini (qualified)

• # 🇸🇰 Kristína Kučová (qualifying competition, lucky loser)

• # 🇫🇷 Chloé Paquet (first round)

• # 🇦🇹 Barbara Haas (qualified)

• # 🇮🇹 Giulia Gatto-Monticone (qualified)

• # 🇸🇰 Jana Čepelová (first round)

• # 🇨🇳 Han Xinyun (qualifying competition, lucky loser)

• # 🇯🇵 Kurumi Nara (withdrew)

• # 🇦🇷 Paula Ormaechea (qualifying competition)

• # Valentini Grammatikopoulou (first round)

Qualifiers
• # 🇷🇺 Anastasia Potapova

• # 🇺🇸 Allie Kiick

• # 🇮🇹 Jasmine Paolini

• # 🇮🇹 Giulia Gatto-Monticone

• # 🇷🇺 Varvara Gracheva

• # 🇦🇹 Barbara Haas

Lucky losers
• # 🇸🇰 Kristína Kučová

• # 🇨🇳 Han Xinyun