テニス用語
https://en.wikipedia.org/wiki/Glossary_of_tennis_terms
基本用語（ほとんど、訳と言ってもカタカナで書くだけなので省略）
- ace
- backhand
- deuce
- singles / doubles
- drop shot
- fault
- forehand
- love
- pass (passing shot)
- serve
- volley
Grand Slam
- Australian Open, French Open (Roland Garros), Wimbledon, U.S. Open
