It would be a showdown for the ages. A doubles match that crackles with intensity and drama. But who would win? The McEnroe brothers, at the top of their game, or the Murray brothers at their peak?
The grand-slam doubles winner Patrick McEnroe fancies the chances of him and a seven-time grand slam singles champion brother John taking down Andy and Jamie, but only after a fraught contest.
"Either way, it's going the distance, whether we play with the old wood racquets or not," the 53-year-old says.
"Both Murray brothers have amazing hands, so they could play with anything.