When he is not busy trying to win his second US Open. Novak Djokovic is acting as a matchmaker.

The World Number 1 helped a friend propose to his now fiance during a training session on the Arthur Ashe Court in Flushing Meadows.

Djokovic commented on his Facebook page about the video, saying: "Look what happened a few days ago on my practice session :) I am very excited for you guys and glad I had a role in this wonderful surprise! Congratulations Kirk and Jenny"

The Serbian star faces Andreas Seppi in the Third Round in the early hours of tomorrow morning.

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