Colin Sinclair (tennis)

Colin Sinclair (born July 17, 1995) is a professional tennis player who represents the Northern Mariana Islands. He primarily competes on the ATP Challenger Tour and ITF Men's Circuit.

Sinclair achieved a career-high ATP singles ranking of 381 in October 2019 and a career-high ATP doubles ranking of 347 in July 2019. He has won several titles on the ITF Circuit, both in singles and doubles.

Sinclair has represented the Northern Mariana Islands in Davis Cup competition. His Davis Cup debut was in 2010. He has played in a significant number of ties for his country, contributing both in singles and doubles matches.

While he hasn't achieved major breakthroughs on the ATP Tour, Sinclair is a consistent competitor and a prominent figure in tennis for the Northern Mariana Islands.