The jeans which Fily is wearing the day she has to babysit her sisters are heavily ripped on both sides. Later on, after they return from the mini golf field, the right side of her pants is not ripped nearly so much.
At the very beginning of the movie, the running girl of the red team wearing number 6 is someone else than our main actress Mariam who appears later wearing number 6 as well. We can see her face clearly once she takes of her helmet when the match is over.