Squash is an "open" scoring game there is no goal score as it is. Think of it like basketball, baseball or football, the team with the highest score wins.
15 American scoreing 9 English scoring bothbest of 5
In American scoring system, which all of the pros and junior tournaments play, you need to get 11 points, but you must have an advantage of 2. So if the score is 10-10 you must get 12 points, and so...