Tennis

Tennis is the first sport on the list tennis could be played with up to 4 players you could also go against CPU's for skill

In Wii Sports Resort
Although Tennis doesn't reappear in Wii Sports Resort a similar sport called Table Tennis appears in it some differences are that you play on a table & it's only for up to 2 players.

Trivia

 * Tennis has a secret button command that puts you in a blue court from the trainings game doesn't freeze when you do it to do it you hold 2 on the Position Select page.
 * When you swing hard it's likely that a rocket serve & hit will happen.
 * There's no reward for pro.
 * This Baseball, Golf, Boxing doesn't give anything for pro.
 * Boxing because if you beat Matt you get the reward not getting pro.
 * So technically Bowling is the only sport to reward something for getting to pro.
 * There's a special accessory for this game that's based on a tennis racket but makes no new controlls whatsoever only buy it if you want to swing the real thing.