You can't get much more of a tennis power couple than Andre Agassi and Steffi Graf, who have now been married for 23 years. Andre, who has been commentating for the BBC's coverage of Wimbledon this ...

In April of 1993, Monica Seles and Steffi Graf were dueling for supremacy at the top of women’s tennis. Graf had won eight out of the nine Grand Slam tournaments played between 1988 and early 1990, ...