Looks real to me, his son's is real and he refers to that one, so that's all the proof I need. He just needs to get mentioned a few times by PMac and some of the journos/players, then more people would follow him.
Best twitter posts of the epic match:
@dougrobson - Whoever is supplying Mahut with hair gel needs to ink a sponsorship deal now.
@Wimbledon - FYI, with @Wimbledon live scoring devices, please add 50 to the games in the fifth set of the Isner v Mahut match.
@HolterMedia - Nice to see that a three-day test has come to tennis here @wimbledon.
Serena was watching the Miami final and she went nuts when Rafa took his shirt off
omg, she deleted the tweet
What did she say?
Novak Djokovic nº1!
The Golden Era of Novak: Australian Open * Dubai * Indian Wells * Miami * Belgrade * Madrid * Rome * Wimbledon * Montreal * US Open * Abu Dhabi * Australian Open * Miami * Toronto * China * Shanghai * World Tour Finals 2012 * Australian Open 2013 * Dubai * Montecarlo * Beijing * Shanghai * Paris * WTF * Indian Wells * Miami * Rome * WIMBLEDON 2014 * AUSSIE OPEN 2015
Federer to Nole: "Amazing year. Amazing tournament. Amazing match. You are THE BEST!"