After much sleuthing, deliberation and ogling, we've decided that yes, we have indeed found the world's hottest tennis WAG. Her name is Zaira Nara and she's, you guessed it -- a model. What we don't quite understand is why she's going out with a dirtball like tennis player Juan Monaco. He looks like a garbage collector. It must be the Argentine thing or maybe she only dates athletes. One of the two. Here's the rundown and a gallery. Check it!