Bad Gastein, Austria - Dutch qualifier Richel Hogenkamp upset top-seed Julia Goerges 3-6, 6-3, 6-3 at the Gastein Ladies on Tuesday in a first-round match that was interrupted for four hours because of rain.
The German had won the opening set against her 211th-ranked opponent before play was suspended.
It was Goerges's second straight defeat against a Dutch opponent after losing to Arantxa Rus in the third round of the French Open last week.
In other first-round play, seventh-seeded Alize Cornet of France beat Edina Gallovits-Hall of Romania 7-5, 7-5.
Results from the second day of the WTA tournament on Tuesday (x denotes seeding):
Richel Hogenkamp (NED) bt Julia Goerges (GER x1) 3-6, 6-3, 6-3
Estrella Cabeza (ESP) bt Laura Pous (ESP) 3-6, 6-3, 6-3
Sacha Jones (AUS) bt Yulia Beygelzimer (UKR) 4-6, 6-3, 6-1
Alize Cornet (FRA x7) bt Edina Gallovits (ROM) 7-5, 7-5
Sarah Gronert (GER) bt Eva Birnerova (CZE) 6-2, 6-0
Mandy Minella (LUX) bt Ajla Tomljanovic (CRO) 6-3, 6-4
Carla Suarez (ESP x4) bt Marta Domachowska (POL) 6-4, 7-5
Yanina Wickmayer (BEL x2) bt Mariana Duque (COL) 6-3, 6-4