What should I do???? Please help guys and girls?

You just need to breathe. Most likely he has been caught up in his tennis tournament and is just very busy. Give him some time to chill and next time he comes on fb tell him that he needs to make up his mind but ask after the tournament. Ask him to go out. I see that hasn't really worked out that good yet, but try to at least set a date. If he puts up an effort to make the date, then you will know if he really is into you, but if not then just move on like you said "you have no shortage of men, but your not desperate for a relationship either." You will be fine i think he is just caught up in his tournament so ask him out on a date, then after the tournament ask him if he is still interested. You could also go to the tournament if it isn't to far away and surprise him!! :)