11. The first name of the game badminton. __________12. It is a racquet sport played using racquets to hit a shuttlecock across a net. ___________ 13. A series of games to determine a winner. ___________ 14. The stroke used to return balls hit to the left of a right-handed player and to the right of a left-handed player player. ___________ 15. The overall size of the badminton court.​