While there are plenty of big names in tennis right now, none are in better form than 24-year-old Italian sensation Jannik Sinner. Sinner is the world's No. 1-ranked player and appears to be on a whole other level than his peers. Sinner has won four straight tournaments and is dominating essentially every match he's playing. While the Italian Open is still just in the Round of 64 at the moment, the fact that Sinner is back in his home country suggests that he's in as good a spot as ever to win once again before Roland Garros later this month. Jannik Sinner of Italy | Mike Frey-Imagn Images Even if any spectators in the arena were actively rooting against Sinner, it's hard to imagine him losing right now, especially in the Round of 64. Still, it will be nice for him to have the support of his home country as the Italian Open plays out. It remains to be seen whether one of these in-person supporters will be his girlfriend, Laila Hasanovic .…