Switzerland's Roger Federer kisses compatriot Martina Hingis after defeating South Africa's Wayne Ferreira and Amanda Coetzer (not pictured) during the doubles rubber of the Hopman Cup at the Burswood Dome in Perth,
Martina Hingis helped me become a Grand Slam champ: Roger Federer pays tribute to retiring Swiss gre
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Tennis - Vom Flirtplatz zum Leistungswettkampf
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