Back in the day, embracing the tiebreaker to decide the outcome of sets was a heavy psychological lift for players accustomed to the traditional scoring system. In later times, Electronic Line-Calling ...

It’s a clutch moment. You’re ready to put the game away. You toss the ball into the air, swing your racket to drive home a powerful serve, and—thwack!—you drill the ball straight into the net.

A wayward toss makes for an ineffective serve, and the most common error players make in this regard is tossing the ball behind rather than in front of their body ...