"Because of my commitments - I play a seniors event later in the week - it's not possible while I am here for Superset.
"It needs to be done more than a couple a days before an event. It's not going to happen but, potentially, this would have been a good time, particularly after Andrew's success at the US Open.
"There has to be more communicationand effort. I know that David Felgatehas got his things in place now and things are going in the right direction. Hopefully, I can work with these promising kids."
McEnroe, whose career brought him seven Grand Slam titles, is still a keen competitor on the seniors tour and believes that at 45 years old he can still be a handful over one set against the present stars.
"I can give anyone on the men's tour a run for his money for a set or two and it's going to be interesting to see how I perform against Andrew.
"I am not in condition to play the best of five with them and if I get a bit lucky then the set could be over in a heartbeat.
"I have a tough enough time on the seniors tour with Boris Becker and now Jim Courier and Richard Krajiceck to deal with and so trying to take on the current guys is not something I would aim to do - except using this format.
"However, Goran Ivanisevic hasn't played much tennis and Greg Rusedski has that hand injury, so who knows?
"There is no reason why something cannot happen in one set."
Superset tennis uses television technology to allow players to contest close line calls, gives players the chance to talk to a coach at court-side during change overs and features a serving contest to see who serves first.
It is all designed to try and take the game to a new level of accessibility and popularity.
That is why McEnroe, Rusedski, Becker, Robby Ginepri, Tommy Robredo, Mario Ancic, Ivanisevic and Murray are taking part at Wembley.
The first session features all eight players in four head-to-head sets.
After a successful pilot in the US last year, Australian entrepreneur Stephen Duval believes he has found a new way of taking the game forward. "In today's society we need an entertainment-rich, innovative, technologicallyenhanced product to satisfy our desires," he said.
"Superset will attract a new audience of younger people with busy lives looking for a one hit, sudden death showdown of top international tennis.
"Research shows tennis needs a new approach, so don't be surprised if by 2005 we have a Superset World Series. Where else can tennis fans see so many top players in a single day?"
The Superset draw:
Match 1: Greg Rusedski v Boris Becker Match 2: Goran Ivanisevic v Tommy Robredo Match 3: Robby Ginepri v Mario Ancic Match 4: John McEnroe v Andrew Murray
The winner of match 1 plays the winner of match 2, the match 3 winner plays the winner of match 4.
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