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.[1]
| Event | W | F | SF | QF | Round of 16 | Round of 32 | width=85 | Q | width=85 | Q2 | width=85 | Q1 |
| Singles | 280 | 180 | 110 | 60 | 30 | 1 | 18 | 12 | 1 | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Doubles | 1 |
| width=130 bgcolor=ededed | Event | width=80 bgcolor=lime | W | width=85 bgcolor=thistle | F | width=85 bgcolor=ffff00 | SF | width=85 bgcolor=ffebcd | QF | width=85 bgcolor=afeeee | Round of 16 | width=85 bgcolor=afeeee | Round of 32 | width=85 | Q2 | width=85 | Q1 |
| style=background:#f5f5f5 | Singles | $43,000 | $21,400 | $11,500 | $6,175 | $3,400 | $2,100 | $1,020 | $600 | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| style=background:#f5f5f5 | Doubles | $12,300 | $6,400 | $3,435 | $1,820 | $960 |
| Country | Player | Rank1 | Seed | |
|---|---|---|---|---|
| Julia Görges | 17 | 1 | ||
 France | Caroline Garcia | 23 | 2 | |
| France | Alizé Cornet | 51 | 3 | |
 Romania | Mihaela Buzărnescu | 53 | 4 | |
| Tatjana Maria | 65 | 5 | ||
 Ukraine | ||||
 Australia | Daria Gavrilova | 74 | 7 | |
 Canada | Eugenie Bouchard | 79 | 8 |
The following players received wildcards into the main draw:
The following players received entry from the qualifying draw:
The following players received entry as lucky losers:
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| Country | Player | Country | Player | Rank1 | Seed | |
|---|---|---|---|---|---|---|
| Australia | Monique Adamczak | China | Han Xinyun | 115 | 1 | |
| Timea Bacsinszky | Romania | Mihaela Buzărnescu | 137 | 2 | ||
| Mona Barthel | Xenia Knoll | 171 | 3 | |||
 Georgia | Oksana Kalashnikova |  Japan | Ena Shibahara | 172 | 4 |
The following pairs received wildcards into the doubles main draw:
Pauline Parmentier (viral illness)See main article: 2019 Ladies Open Lausanne – Singles.
Fiona Ferro defeated Alizé Cornet 6–1, 2–6, 6–1See main article: 2019 Ladies Open Lausanne – Doubles.
Anastasia Potapova / Yana Sizikova defeated Monique Adamczak / Han Xinyun, 6–2, 6–4
