Tennis - Laver Cup - 1st Day - Prague, Czech Republic - September 22, 2017 - Captain John McEnroe of team World during the match. REUTERS/David W Cerny
(Reuters) - John McEnroe believes tennis is suffering from a lack of "guidance and vision" and says it is time the various organisations in charge began to work in harmony.
Like many fans and players the American, an analyst for Eurosport at the Australian Open, has been left bemused by the four Grand Slams all adopting different ways to finish a match.
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