His talent was never in doubt .
The mental aspect of the game has stopped him from achieving more in a career , as he won just 4 ATP titles so far , with the last coming at Queen 's in 2014 !
His talent was never in doubt , but the mental aspect of the game has stopped him from achieving more in a career , as he won just 4 ATP titles so far , with the last coming at Queen 's in 2014 !