Sometimes our #NetGeneration ambassadors get to rub shoulders with Grand Slam champions, like Marcella and Martina did earlier this year with @simonahalep. Tell us which Slam champions you’ve gotten an autograph or photo with! 📸: @rmtennissisters _ #usta #netgennetset #simonahalep #halep #wta #tennis #protennis #instatennis #instakids