2021 Australian Open odds, quarterfinal predictions: Seasoned tennis expert reveals Nadal vs. Tsitsipas picks | CBS Sports Headlines 2021 Australian Open odds, quarterfinal predictions: Seasoned tennis expert reveals Nadal vs. Tsitsipas picks Sean Calvert called Stan Wawrinka winning the 2014 Australian Open at 60-1 ESN FeedsThis post was originally published … Continue reading 2021 Australian Open odds, quarterfinal predictions: Seasoned tennis expert reveals Nadal vs. Tsitsipas picks