Madison Keys and Bjorn Fratangelo might be one of the more athletic couples in tennis.

When she takes to Rod Laver Arena, Sabalenka will be cheered on by her boyfriend, Georgios Frangulis, the multi-millionaire ...

Madison Keys won an Australian Open classic to reach the final against Aryna Sabalenka, defeating Iga Swiatek in a third-set ...

Keys is now a Grand Slam champion after winning the Australian Open women’s final and celebrated with former tennis player ...

"He's really just helped me enjoy being on the tennis court," Keys said of her husband. Here, everything you need to know ...

Madison Keys says she kept telling herself to be brave down the stretch of a tight third set in the Australian Open final ...

American tennis star Madison Keys completed a huge comeback victory over World No. 2 Iga Swiatek in Thursday's Australian ...

The American defeated Sabalenka and Swiatek in back-to-back matches to lift her first major trophy in her 46th try.

Madison Keys appeared destined for a Grand Slam trophy. Sixteen years later on a breezy night in Melbourne, she held it in ...