Umm.... I'm going to say Roger Federrer, Rafal Nadal, Serena Williams and Venus Williams.
Two or four.
Two for playing singles Tennis and four for pairs.
7
Badminton or tennis including enemies if doubles
Up to four players, two on each side, can play one game of table tennis.
"To play a game of table tennis there are usually two or four players, just like in a real tennis game played on a tennis court. Tennis across a table or across a tennis court is still fun."
two or four players two. four for doubles
Rod Laver
Rafael Nadal and Roger Federer are the top two male tennis players at the time. Serena Williams and Venus Williams are the famous female tennis sisters.
Two or four, depending upon whether the match is a singles or a doubles match.
FOUR SQUARE! best game EVER
A player without a world ranking should look to enter Futures events. As players move up the rankings they enter Challenger and then ATP Tour events. Futures events are probably the best place to start; they consist of four weeks of tournaments in the same country