FormerworldnumberoneNovakDjokovicsaidThursdayRadekStepanekwasjoininghiscoachingteamtocomplementAndreAgassi.AgassiandformerdoublesspecialistStepanekwillreplaceth
Czechtennisstarandtwo-timeDavisCupwinnerRadekStepanekannouncedhisretirementonTuesdayatapressconferenceinPrague.The38-year-oldwonabronzemedalofthemixeddoublesatt