I bet more on Wimbledon, and the main thing to consider here is grass. Not all players are strong on it, so look at the statistics on this surface. The tennis player's form is also important, how he played in the last matches, whether he has confidence. Head-to-head meetings also decide a lot, if a player consistently loses to an opponent, even in good form, it's not worth the risk. Well, motivation, for some this tournament is special, and they give their best.