Anyone for underwater tennis?
Tennis

Anyone for underwater tennis?

Updated 1308 GMT (2108 HKT) May 4, 2015
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Game, set and catch of the day? Polish architect Kotala Krzysztof has come up with a unique court concept which would allow tennis matches to be contested underwater. KOTALA KRZYSZTOF
Serving up underwater tennis does not come cheap. Krzysztof, who is reportedly seeking investors to set up the project off the coast of Dubai, estimates the court will cost between $1.7-2.5 billion to build. KOTALA KRZYSZTOF
In case the tennis isn't up to scratch, the underwater court is designed to offer spectacular views of nature and could be built under the sea. The main arena is planned to seat 10,000 spectators. KOTALA KRZYSZTOF
Double grand slam champion Andy Murray uses sea swimming as part of his Miami training regime but how would the world No. 3 feel about playing tennis in the deep? Clive Brunskill/Getty Images
Top-20 female player Sabine Lisicki is used to getting up close with marine wildlife. The German swam with dolphins ahead of the 2015 Miami Open. Mike Ehrmann/Getty Images
Rafael Nadal and Serena Williams have already dabbled in water tennis, playing on a court constructed in the middle of a swimming pool at the Hotel Gansevoort in Miami South Beach, Florida. Clive Brunskill/Getty Images for Sony Ericsson