Answer:

rodlaver

AnswerCrossword Clue
RODLAVER"The Rocket"
RODLAVEROnly two-time tennis Grand Slam winner
RODLAVERTwo-time Grand Slam winner
RODLAVERNet star
RODLAVERTennis star
RODLAVEREponym of an Australian Open arena
RODLAVERTennis's "Rocket"
RODLAVERName on an Australian Open arena
RODLAVER1969 U.S. Open champ
RODLAVERAustralian winner of 11 Grand Slam tournaments