Steffi Graf and Andre Agassi are one of the most popular tennis names in the world, and are among the most widely-recognized athlete couples of all-time.
Steffi Graf endured one of the most challenging periods of her life in 1990, as her father's paternity scandal took a heavy toll on her on-court performances.
Aryna Sabalenka could become only the sixth woman in the Open Era to win three straight Australian Open titles.