Sport
Aussie Open chief urges coaching clarity after Serena row
8 years agoAustralian Open tennis tournament director Craig Tiley (L) greets Novak Djokovic of Serbia as he holds the men's singles winner's trophy at a media call in Melbourne January 30, 2012. Djokovic claimed his third Australian Open men's singles crown when he defeated Rafael Nadal of Spain. REUTERS/Tim Wimborne (AUSTRALIA - Tags: SPORT TENNIS)
World tennis chiefs need to clarify their position on in-match coaching to prevent another incident after Serena Williams' US Open meltdown, the head of the Australian Open said Monday.