As the server's partner in doubles, it's your job to seek and destroy any floating returns that are coughed-up by your opponents. The net player always has priority to cross to his partner's half of the net to pick off weak returns.
A foot fault occurs when a server steps onto the baseline or into the court before he serves the ball. It also happens when a server steps onto the imaginary extension or the sideline.
The odds are that the court you played singles on today was technically illegal according to the rules of tennis.
It's not unusual to open a new can of balls and find that the balls are less than perfect. In many instances, all three balls are slightly dead or completely dead.
When you attack your opponent from your net position, you use the game's most efficient shot: the volley. It's the most efficient because you get the most results for the simplest technique: a block.
You don't have to play tennis with a slick handle. With high temperatures and high humidity, sweat becomes a big problem.
Tennis is a game that requires a certain amount of maturity to play well. The more the better.