WORLD No1 Serena Williams has been fined $175,000 (£106,600) and put on probation for two years for her foul-mouthed tirade at the US Open, the Grand Slam Committee sa

World No.1 Serena Williams has been hit with a record fine and two years of probation for her outburst over a foot fault call in a US Open semi-final.

Roger Federer has topped the ATP end-of-year world rankings for the fifth time during his career having ceded the position last year to Rafael Nadal.