But seriously, all we have are speculations and that one story Saritaaa posted here. So let's not get carried away. I don't think he will like it. Even if they are split, it could be only temporary, which can happen to any couple. (God I wish that's the case, coz they are such a cute couple.)
And this is my personal opinion but he's probably a kind of person who doesn't go from one girlfriend to another very quickly, so let's wait and see what the future holds for him and his tennis.