A William Hill client based in London has staked what is believed to be the largest ever bet placed on an individual tennis match - gambling £120,000 on Novak Djokovic to beat Roger Federer on Friday in the semi final of the French Open tournament.

‘Six figure bets on tennis are so rare as to be almost an endangered species, and in thirty-plus years in the business I cannot recall having seen, or even heard of ,a tennis bet of this size‘ said Hill’s spokesman Graham Sharpe.

The bet is the 27th in a world-record beating run of consecutive winning bets gambled by the man, believed to be in his thirties, who appeared in a William Hill betting shop in central London at the end of March to place the first of his wagers - an £8400 double on tennis stars Kim Clijsters and Djokovic both to win matches - which they duly did.

Since then his stakes have gradually increased as he has boosted his profit to a current £161,000, staking along the way an incredible £1.75million.

He has mainly concentrated generally on tennis and in particular on Djokovic - who he has now backed in 11 of his bets, although he has also gambled on Cage Fighting, Boxing - and Curling!

‘We can think of no other punter to compare him to - he told staff when he placed his first bet that he hoped to win enough to buy himself a house - well, he can already afford a small place out in the sticks, but a mansion in Mayfair may take a few more winning bets! He is effectively betting the house every time he bets‘ added spokesman Sharpe.

‘The crucial question now is - when will he decide he has won enough and walk away with his house-sized profits?’

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Roland Garros welcomes the great and good of tennis for another intriguing fortnight in the shape of the French Open Championships.

Sky Sports’ Nick Lester is our man on the ground and he spoke to Ben Bramley at length about the chances of the leading players in both the Men’s and Women’s tournaments.

Catch the selections of our expert and get the bets to watch out for in the early stages.

Madrid, Spain – Rafael Nadal and Roger Federer are both set to begin their campaigns at the Madrid Masters in the second round on Wednesday. Nadal is set to go head-to-head with Marcos Baghdatis, a dangerous floater in his section of the draw; meanwhile, Federer is set to take on home favourite Feliciano Lopez.
BetUS Sportsbook is covering the Madrid Masters this week as the ATP Tour…

Madrid, Spain – Robin Soderling is through to the R16 with a straightforward win over Santiago Giraldo in the second round. Next up for Soderling is big-hitting Jo-Wilfried Tsonga, who advanced similarly straightforwardly over Pere Riba. Elsewhere, Tomas Berdych and Juan Monaco have set a date in the last 16.

Madrid, Spain – The top half of the men’s draw in the Mutua Madrilena Open (Madrid Masters), spearheaded by Rafael Nadal,  is stacked deep with heavy hitters and clay court gurus, including Juan Martin Del Potro, Feliciano Lopez, Fernando Verdasco and Milos Ranoic, amongst many others.  Here is a look at the early rounds in this section involving some of the…

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World No.1 Rafael Nadal goes into this year’s Madrid Open on a 34-match winning streak on clay, can the Spaniard retain the title he won in impressive fashion last year?

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Barcelona, Spain – Rafael Nadal, flush off a seventh straight title in Monte Carlo, descends on the Barcelona Open this week, intent on winning a second straight clay-court title. He begins that endeavour against compatriot Daniel Gimeno-Traver on Wednesday.
Also in action on that day is Richard Gasquet and Spanish wild card Albert Ramos.

Casablanca, Morocco – In the city immortalized by the unfulfilled romance between Humphrey Bogart and Ingrid Bergman in the American movie Casablanca, a minor tennis event is underway this week and, curiously, in some ways, the storyline has been as upsetting as the movie was in that some of the key protagonists didn’t deliver on their promise.

Indian Wells, California – The ATP Indian Wells Masters enters the third round today with several standout matchups featuring on the menu – even surprising ones, not the least of which is Devvarman vs. Malisse.

Tennis Betting Line: The WTA Whirlpool Monterrey Open is currently underway in Monterrey, Mexico. The tournament, entering the second round, boasts several standout players that are bidding for a spot in the quarterfinals, namely top seed Jelena Jankovic and Gisela Dulko.