TENNIS

Wimbledon Tennis

Spain's Rafael Nadal and American John Isner are into the semi-finals in Wimbledon Championships.

Rafael Nadal stormed into semi-finals with a pulsating 7-5, 6-7, 4-6, 6-4, 6-4 over Juan Martin Del Potro.

After Nadal squandered four set points in the third set tiebreak, with a double fault on one of them, Del Potro made him pay as he pounced on his first chance to raise the prospect of another astonishing upset on day nine of the championships.

But the second seed stayed alive by taking the fourth set before the gripping drama continued in an electrifying deciding set in which both players were left diving after volleys and slipping over as they chased after blinding winners.

Nadal ended the four hour and 48 minute thriller with a backhand volley winner past a lunging Del Potro who ended the contest lying flat on his stomach.

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Meanwhile, American John Isner reached his first grand slam semi-final as he beat Canadian Milos Raonic 6-7 7-6 6-4 6-3 in a clash of the giants.

The 33-year-old saved two set points in the second set tiebreak to avoid going two sets down and then took control of the match to continue his dream run at the all England Club.

Isner has taken 41 grand slams to reach his first semi-final -- one less than compatriot Sam Querrey who reached the milestone a year ago at Wimbledon.