He won his first Challenger title in the 2016 Launceston Tennis International and made his Grand Slam debut at the 2017 Australian Open after qualifying.

In 2014, Mott contested the 2014 Australian Open – Men's singles qualifying, losing to Enrique López Pérez.

Mott travelled to Europe and North America and reached his second career final in Canada in August where he lost to Liam Broady.

At the 2015 Australian Open – Men's singles qualifying, Mott defeated Arthur De Greef before losing to Alexander Kudryavtsev.

Mott become the first player outside the world's top 700 to win an ATP Challenger title since Korea's Yong-Kyu Lim in 2010.

[4] Two weeks later, Mott reached the final of the Australian F1 at Port Pirie, but lost to Christopher O'Connell.

In October, Mott returned to Australia and reached the finals of the Australian F7; losing to Jarmere Jenkins[5] and Christopher O'Connell.

Mott commenced 2017 with a wild card into the Happy Valley Challenger where he lost in round 1.

[9] In February, Mott reached his second Challenger Final in Burnie where he lost to compatriot Omar Jasika.

[11] In December 2019, Mott broke his wrist while playing in the 2020 Australian Open wildcard playoff.