Australian wheelchair tennis star Dylan Alcott will be defending two titles when he competes at the Tokyo 2020 Paralympic Games in Japan.
The 30-year-old - who has won an incredible 22 Grand Slams in Quad singles and doubles - will be one of the most-high profile Australian athletes at the Games.
Sporting News examines Alcott's upcoming journey at the Paralympics.
What events will Dylan Alcott be competing in at the Paralympics?
Alcott will be competing in the two events he is eligible for at Tokyo 2020 - the men's quad singles and men's quad doubles.
After winning the gold medal in the quad singles at the previous Paralympics at Rio 2016, Alcott will be shooting for back-to-back titles.
He will also be defending the quad doubles gold medal he won alongside Heath Davidson at Rio, with the pair teaming up once again.
The other two members of Australia's wheelchair men's team are Ben Weekes, who will be appearing at his fifth Paralympics and Martyn Dunn.
When will the wheelchair tennis be played at Tokyo 2020?
Wheelchair tennis will be played across three categories at the Ariake Tennis Park from August 27 to September 4.
It will feature two men's tournaments (singles and doubles), two women's tournaments (singles and doubles) and two quads tournaments (singles and doubles) - that will both feature Alcott.
What has Dylan Alcott won in his sporting career?
Alcott has reached the pinnacle of both the sports he has competed in - wheelchair basketball and wheelchair tennis.
He started with wheelchair tennis as his main pursuit and was ranked 100th in the world as 16 year old before switching to wheelchair basketball for the 2008 Beijing Paralympics.
As a 17 year old, Alcott won a gold medal in the men's wheelchair basketball with the Australian team at Beijing 2008 and then followed it up with a silver medal in the same event at London 2012.
After switching back to wheelchair tennis is 2014, Alcott claimed his first Grand Slam quad singles title at the Australian Open in 2015 - the first of seven consecutive triumphs at Melbourne Park with the most recent in February.
Alcott has won 14 quad singles Grand Slams titles all-up, including three French Opens, two Wimbledons and two U.S titles, while he has also held aloft eight quad doubles championships.
In 2019, he won the Grand Slam after clinching all four quad doubles majors in a calendar year - a feat he will be again be shooting for with quad singles at the upcoming U.S Open.
He is also the reigning Paralympics champion in both the men's quad events after winning gold in singles and doubles at Rio 2016.
Why is Dylan Alcott in a wheelchair?
When Alcott was born in Melbourne in 1990, he had a tumour wrapped around his spinal cord.
The issue was operated on within the first few weeks of his life and the tumour was successfully removed, however Alcott was a paraplegic after the surgery.
Paraplegia is a a form of paralysis that usually affects movement of the lower half of the body, where people may not be able to voluntarily move their legs, feet or abdomen.