#4 Rafael Nadal

This was a time when Rafael Nadal was at his prime in the 2010 season, and the admiration for the Spaniard for certainly on the rise amongst tennis enthusiasts in this period.
It admiration for the tennis ace showed in a funny yet hilarious occurrence during Nadal's match against Lukas Lacko in the round of 32 of the Australian Open.
Nadal, a usually serious and dedicated character on court, tried to ignore the fan's perfectly-timed proposal at first. However, even the reticent Spaniard couldn't hide a smile after a few moments, and acknowledged the proposal with an albeit shy wave in the direction it came from.
It can definitely be counted as one of the most light-hearted moments from Nadal on the tennis court.
Who Are Roger Federer's Kids? Know All About Federer's Twins