Davidson started playing wheelchair tennis at the age of 14. After Davidson returned to wheelchair tennis, he teamed with
Dylan Alcott to win the prestigious BNP Paribas World Team Cup held in Tokyo, Japan in May 2016. They upset Great Britain in the final. They defeated the reigning champions
David Wagner and
Nick Taylor in the gold medal match 4–6, 6–4, 7–5. In the Men's Quad Singles, Davidson lost to
Andy Lapthorne (GBR) 0–2 (1–6, 2–6) in the quarter-finals. In 2019, Davidson and his partner Niels Vink won the 2019
Wheelchair Tennis Masters in quad doubles. At the
2020 Tokyo Paralympics, he teamed with Alcott to win the Men's Quad Doubles silver medal. He lost in the
Men's Quad Singles quarter final. ==Recognition==