What does it meen by "Challenges Remaining" in Tennis?

Question

In the mens final it is on the score bored. Federer has 3 and Nadal has 2 or something like that. What does it mean???

Answer 1

They start the match with 3 challenges each. These means that they may challenge a call. If their challenge proves successful, they keep their number of challenges but if it is unsuccessful then they lose a life or a challenge.

Answer 2

You know when they challenge a call on whether a ball was hit in or out?

Well, they can challenge the chair umpires call and if their right they keep their challeges, wrong they lose one.

Answer 3

they can challenge a line call by using the hawk eye computer simulation, they have a limited number of challenges.

Answer 4

a challenge is when a linesman makes a questionable decision regarding whether the ball is in or out of the court, so the player can choose to challenge it and they study it with hawkeye to get a definitive answer. they have 3 per set i think, otherwise play would keep getting held up by players who want to waste time to their benefit

Answer 5

when the line judges call a ball out, the players can challenge the decisions 3 times, if a game goes to a tie break they each have an extra challenge.

Answer 6

Games left

Answer 7

Each player starts the match with 3 challenges, a challenge being when the player disputes a line decision made by the umpire.

At the start of each new set both players challenges remaining are put up to 3 again.

Both players recieve an additional challenge when in a tie-break.

Each player can have no more than 3 challenges remaining during the match.