The pair shook hands early in the second though as Wickmayer , suffering from food poisoning , retired when 2 - 0 down .
Riske continued the 6 - 2 trend when taking the first set off Belgian Yanina Wickmayer .
The pair shook hands early in the second though as Yanina Wickmayer , suffering from food poisoning , retired when 2 - 0 down .
Riske continued the 6 - 2 trend when taking the first set off Belgian Yanina Wickmayer .