Radwnaska and Janowicz wins in 2015 Hopman Cup.

Jerzy Janowicz and Agnieszka Radwanska of Poland pose with the Hopman Cup after defeating Serena Williams and John Isner of the United States in the final during day seven of the 2015 Hopman Cup at Perth Arena

Jerzy Janowicz and Agnieszka Radwanska of Poland pose with the Hopman Cup after defeating Serena Williams and John Isner of the United States in the final during day seven of the 2015 Hopman Cup at Perth Arena

A general view of play of the mixed doubles match between Agnieszka Radwanska and Jerzy Janowicz of Poland against Serena Williams and John Isner of the United States during day seven of the 2015 Hopman Cup at Perth Arena