Fourteen-time Grand Slam champion Rafael Nadal today gave 14 lucky school children from the Oasis South Bank Academy in Waterloo, the surprise of their life when he jumped on court to help coach a session at The Aegon Championships in Queen’s Club, London to mark the 20,000th school supported by British Tennis on day one of the Aegon Championships at Queen's Club on June 15, 2015 in London, England.

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