Last week's Greatest Of All Time match-up saw John McEnroe edge past Stefan Edberg in a surprisingly close encounter. But who will he play in the second round?
This week's match will probably prove to be a lot more one-sided with former world number one Pete Sampras taking on Argentine clay-court specialist Guillermo Vilas.
Under our GOAT rules each match is three sets, one on each surface. Here's the rundown on the two contenders.
Grand Slam titles: 4
Australian Open: Winner (1978, 1979)
French Open: Winner (1977)
Wimbledon: Quarter-finalistRead More »from Who’s the GOAT?: 15-Vilas v 2-Sampras