Updated On: 04 November, 2015 05:31 PM IST | | Agencies
<p>Serena Williams' coach has revealed that the world number one ended this year's season prematurely as she was suffering from depression caused due to the US Open loss and said that she needed time to recover from her knee injuries</p>

London: Serena Williams' coach has revealed that the world number one ended this year's season prematurely as she was suffering from depression caused due to the US Open loss and said that she needed time to recover from her knee injuries.
Serena Williams