January 2, 2015 -- Updated 1744 GMT (0144 HKT)
Rafael Nadal's latest tennis comeback didn't go so well, as he was routed by Andy Murray. But the Spaniard insisted he wasn't worried.
Hawk-Eye is popular with players currently on the tennis tour but retired grand slam champion Andy Roddick says he would get rid of -- or significantly change -- the instant replay system. Why? Arguments make for good entertainment.
Serbia has defied crushing odds and financial difficulties to emerge as an unlikely tennis powerhouse.
Rafael Nadal landed a record extending ninth French Open title this year and also reached the final of the Australian Open. But typical for the Spaniard in recent campaigns, those grand slam accomplishments mingled with further health woes in a up-and-down 2014.
A-Rod: A game changer?
The former number one and part owner of World Team Tennis is looking for ways to shape the game.