A Guinness World Record holder as the oldest tennis player on the planet, Stanislavskyi has been training hard ahead of the 2021 Super-Seniors World Championship due to be held in October in Mallorca, Spain.

For the first time, the International Tennis Federation has introduced a 90-and-over age group in the 2021 tournament after Stanislavskyi sent a written request to the federation asking for the new category to be added.

"When I was 95 years old, I felt much better than now," said Stanislavskyi, who moves at his own pace trying to return every shot. "It is even hard to walk when you are 97 years old.