To make its sport make more attractive to fans with increasingly short attention spans, officials at Tennis Australia introduced a variation of the game last year called FAST4. Here are the key points:

  • First player to win four games wins the set.
  • No advantage points at deuce.
  • Play continues when there is a let on a serve.
  • No seated breaks on changeovers.

To promote the new concept, Tennis Australia staged a gimmicky event by having Roger Federer and Lleyton Hewitt hit balls to each other from speedboats in Sydney Harbour before they played a match under FAST4 rules.

Watch Federer and Hewitt play from their respective speedboats:

"There's no plan to replace traditional tennis," Tennis Australia coach Craig Morris told CNN regarding FAST4. "This is a great complementary product that is entertaining for fans and fun to play."

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