A baseball...

A golf...

A place where to boxers have a fight.

A place where you can skate.

A person who watches a match carefully in order to enforce the rules, an arbiter in some sports, e.g. basketball, hockey, rugby.

A person who watches a match carefully in order to enforce the rules, an arbiter in some sports, for example: baseball, cricket.

A place where you can play tennis or basketball.

A person who watches a game.

A leader of sports team.

When one team loses a game against another.

A competition with a series of games.

Another world for a competition.

When one team wins a match.

Special boots worn by football players.

In badminton we don't use a ball but instead we use...

Your rival in a sport game.

A person who takes part in a competition.

A special place for running.

Karate, judo, boxing, kickboxing are...