Rehnquist had an outstanding junior career, winning the Australian Open Boys' Singles in 1996 and reaching as high as No. 3 in the world in singles the same year (and No. 7 in doubles).
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The Swede competed in the 2006 Australian Open, losing to 20th seed Radek Štěpánek 6-1, 6-2, 6-2, and at the 2009 Australian Open, but lost in the first round 6-0, 6-2, 6-2 to eventual semi-finalist Andy Roddick.
William Rehnquist | Björn Ulvaeus | Björn Borg | Björn Again | Peter Bjorn and John | Björn Skifs | Cover of ''The Beautiful Boy'', showing Björn Andrésen | Björn Yttling | Björn Lodin | Björn Gelotte | Björn Afzelius | Writer's Block (Peter Bjorn and John album) | Peter Bjorn And John | Bjorn Ulvaeus | Bjorn Ruytinx | Bjorn Rebney | Björn O. Stenström | Björn Nittmo | Bjorn Nittmo | Björn Kurtén | Björn J:son Lindh | Björn Jónsson | Björn Ironside | Björn at Haugi | Björn Andrésen | Björn Andresen | Bjorn Anderson (director) | Bjorn Anderson |