Former world No . 1 Rafael Nadal reaches the final in Chile comeback tournament . Spaniard will win his 37th clay - court title as he faces Horacio Zeballos in Mar del Mar . Russia also went to a decider against Japan before sealing a semifinal clash with Slovakia . He can complete a Chilean conquest in the following Wimbledon final on Sunday . Roger Federer to return to action this week as he defends his title in Rotterdam .
Former world No . 1 Rafael Nadal reaches the final in Chile comeback tournament . Spaniard will win his 37th clay - court title as he faces Horacio Zeballos in Mar del Mar . He can complete a Chilean conquest in the following Wimbledon final on Sunday . Roger Federer to return to action this week as he defends his title in Rotterdam .