Andrea Petkovic wins opener at Brisbane International . Beats Serena Williams of Australia 6-4 6-4 . Admits to feeling jet lagged after flying into Germany Saturday . Will be skipping any New Year 's Eve celebrations .
Serena Williams wins opener at Brisbane International . Beats Andrea Petkovic of Germany 6-4 6-4 . Admits to feeling jet lagged after flying into Australia Saturday . Will be skipping any New Year celebrations .