Which tennis players have won the most grand slams in history? Male and female top players assessed.

The 'Open era' refers to the period since 1968, when professional players have been allowed to compete alongside amateurs at Grand Slam tournaments and other events sanctioned by the International Tennis Federation (ITF). Put simply, the events are 'open' to all players.

Aside from winning more Grand Slam titles (24) than any other man in history, he's drawing ever closer on an unprecedented 400 match wins at the four majors and could even up with over 100 in each ...

Tim Henman has given his verdict on the best tennis player in history after the age-old debate resurfaced at Wimbledon. For years fans and pundits have debated the greatest male tennis player in the Open Era, with Roger Federer, Rafael Nadal and Novak Djokovic the top three contenders.

John McEnroe is back on BBC commentary duties for Wimbledon, but not everyone is convinced the three-time singles champion justifies his hefty salary for two week's work

Swiss tennis icon Roger Federer's 237 consecutive weeks as ATP World No. 1 is one of the toughest records to beat.