Denis Shapovalov defaulted after accidentally hitting umpire

Sometimes emotions get the better of you.

Canada's rising star Denis Shapovalov learned this in the worst way a tennis player can. During the Davis Cup first round deciding match between Canada and Great Britain, the 17-year-old lost his temper in the third set against Kyle Edmund, accidentally beaning the umpire in the face with a ball. This resulted in a default for Team Canada, sending Great Britain into the quarterfinals (where they will face France).

Leading up to the dramatic finish, the current Wimbledon junior champion was outmatched by Edmund's experience and punishing forehands, losing the first two sets 6-3, 6-4 and trailing 2-1 in the third. A Shapovalov mishit on break point in that third game led to his outburst and a bruised eye for umpire Arnaud Gabas.

For the youngster, it was a tough lesson to learn as he sat tearful in his chair.

Gabas was sent to the hospital for treatment, but not before Shapovalov apologized for the injury.

Canada's Davis Cup captain was understanding but firm on the incident, saying, "There's always a lesson to be learned from the good moments and the worst moments. If he wants to compete at this level he has to keep it together.

"Emotional control is the biggest factor in this game. He must learn the lesson and hope it serves him in the rest of his career."

While the mistake cost Canada the match, and a spot in the quarterfinals, most people seem to be sympathetic towards Shapovalov, attributing the accident as a young player learning the ropes of the professional tour.