The Russian knows a thing or two about a thing or two.
"There are worst things in life than losing a tennis match," says US Open finalist.
The Swiss maestro keeps on banking even when he's not playing.
The Frenchman is the sixth player to join the field at the ATP's prestigious year-end championships.
The Scotsman is a beacon of compassion in a world of dystopian detachment.
"There's not a single player, all the way to the world’s top ranked player, like Djokovic, who hasn’t been approached,” says Israeli No. 2.
The American took a fall but fought on in Singapore.