Andy Murray sees no reason why Britain can't retain the Davis Cup.
After leading the team to its first title in 79 years last November, Murray has recommitted to all of Britain's ties this year.
"One of the reasons I'm here is because I really want to try and do it again, after experiencing it last year," Murray said.
"I never thought I would be able to do it, but then when we did, it was like, 'Why not, why can't we do it again?"'
Murray will begin the tie on Friday an indoor hard-court in Birmingham against Taro Daniel, whom he has never met. Daniel has only one win in six singles matches on tour this year.
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The second singles features Kei Nishikori against Daniel Evans, who replaced Kyle Edmund, who injured his back in practice on Wednesday.
Evans, ecstatic to be playing in his hometown, beat Nishikori in their only previous match at the 2013 U.S. Open, the year before Japan's leading man reached the final.
The doubles on Saturday features Dominic Inglot and Jamie Murray against Yoshihito Nishioka and Yasutaka Uchiyama.
The reverse singles are on Sunday in the first tie between the teams since 1931.
