Round-Up: Wada threat to US athletes, Kooyong Classic cancelled, Williams family leaves F1, and more

America's top athletes could be banned from the Olympics and other major international sporting events if the US follows through on its threat to withdraw funding from the World Anti-Doping Agency - Reuters

Australia's summer of tennis has suffered a setback with Australian Open tune-up event the Kooyong Classic called off due to Covid-19 - CNA/AFP