ATP allows his hands to receive the instructions with his words.
Decides to be directed yesterday at 21/6 yesterday authorizing the field directors with words or not by the manager who sat in the area designated, with the condition not to disrupt the fight or affect the opponent.

Test was applied from 11/7 to the ATP Finals in the 11 month. ATP believes this test can improve the fan experience in the field as well as a public audience.
"Some of the different rules have been experimented, as directed through the hearing or by directing in the field", the ATP notification of the ATP. "Now the coach can speak directly to the discretion.
According to ATP, the coach can run the course of action with his student at any time, but, you know, directed by words only allow the sleeves at the end of the yard with the manager. The words are used when intercourse is restricted and restricted dialogue. If a violation, the tennis arm will be discarded or the penalty.
The tests were applied in the U.S. widely, including the perimeter and the main course. If things go well, ATP and WTA will officially apply this law from 2023.
Under the ATP's old rule, a lot of rackets are considered to try to avoid the law. Stefanos Tsitsipas were once contacted by his partners, as your manager, With a message on the phone, your father Tsitsipas has been repeatedly suspected of swapping with words between the fights, the referee is hard to monitor this and usually ignore if it's not serious.
The new ATP hopes to raise the competition in the games, help coach to adjust the tactics for the students, placate them when they're angry, or shock themselves when they're down.
