Andy Murray was too smart, too respectful to say he was returning to championship-winning form ahead of his US Open quarter-final showdown with Novak Djokovic tomorrow.

New Zealand tennis No1 Marina Erakovic has suffered a "tough loss" in the second round of the singles at the US Open in New York after looking like she had the measure of her opponent.

Kiwi tennis No1 Marina Erakovic has continued her good form at the US Open by combining for a straight sets win in the doubles first round.

New Zealand tennis No 1 Marina Erakovic will play Russian Elena Vesnina after scoring one of the upsets of the US Open so far, beating former champion and 20th seed Svetlana Kuznetsova in three sets in hot conditions.

Father-to-be Novak Djokovic admits tennis no longer comes first, but the world No 1 is still strutting around New York feeling very much like the US Open favourite he is.

How do you judge greatness? The question is always there, hovering in the background, when we talk about the yin and yang struggle between Roger Federer and Rafael Nadal.

Nick Kyrgios' coach says he wants what's best for the rising tennis star, even if it means a parting of the ways after a career-defining fortnight at Wimbledon.

NZ's top female domestic table tennis player says she was overlooked for Commonwealth Games selection over two inactive overseas-based players.

Grigor Dimitrov felt it might not be Andy Murray's day even before a ball had been struck in their quarter-final on Centre Court yesterday.

It began with a thunderbolt of an ace, and it ended with another.

Australian teenager Nick Kyrgios - who has become an overnight tennis sensation after knocking Rafael Nadal out of Wimbledon - has a Kiwi coach.

Australian teenager Nick Kyrgios has pulled off one of the biggest upsets in Wimbledon history, beating world No.1 Rafael Nadal in four sets to reach the quarter-finals.

With the high ball toss, bent front knee and explosive extension, the technique matches modern-day greats Pete Sampras and Roger Federer.