On the clay court where he won 14 French Open titles, Rafael Nadal likely bid adieu to Roland Garros on Day 3 of the Paris Olympics.Video above: Families of Olympians in Paris are showing up in big numbersNadal was feted Monday by a rowdy crowd as he met Novak Djokovic in the second round of the men’s tennis tournament for a record 60th — and probably final — time.The Spaniard wouldn’t say if he plans to retire after the Olympics, but his 6-1, 6-4 loss to Djokovic showed just how diminished his game has become at age 38. The chants of “Ra-fa! Ra-fa!” began as soon as Nadal walked on the court and even helped him win four consecutive games in the second set, including a forehand winner to break to make it 4-all.After the defeat, the two-time Olympic champion was weary of being asked about his future. He’s still …