Colin Sinclair (tennis)

Colin Sinclair
Country (sports)	Northern Mariana Islands (2018–); United States (2013–2017); Australia (–2013) ; Pacific Oceania (Davis Cup tournaments)
Residence	Brisbane, Australia
Born	19 December 1994 (age 30); Saipan, Northern Mariana Islands
Height	6 ft 2 in (1.88 m)
Plays	Right-handed (two-handed backhand)
College	Cornell University
Coach	Jeff Race, Ian Malpass, Silviu Tanasoiu
Prize money	US$127,379
Singles
Career record	1-2
Career titles	0
Highest ranking	No. 340 (18 September 2023)
Current ranking	No. 665 (18 November 2024)
Doubles
Career record	1-1
Career titles	0
Highest ranking	No. 200 (10 April 2023)
Current ranking	No. 374 (9 December 2024)
Davis Cup	18–5
Medal record
Men's tennis
Representing Northern Mariana Islands
Pacific Games
	Last updated on: 3 January 2025.

Colin Sinclair (born December 19, 1994) is an American tennis player representing the Northern Mariana Islands.^[1]^[2]

He achieved a career best singles ranking of world No. 340 on 18 September 2023, and a career high doubles ranking of world No. 200 on 10 April 2023.^[1] He has won four doubles titles on the ATP Challenger Tour. Additionally, he has won three singles and eight doubles titles on the ITF Tour.

He represents the Northern Mariana Islands in Davis Cup as part of the Pacific Oceania team since 2017 and has a career record of 18–5 (13–3 in singles, 5–2 in doubles) in the competition.^[3]

ATP Challenger and ITF Tour finals

Singles: 12 (3–9)

Legend
ATP Challenger Tour (0–0)
ITF Futures/World Tennis Tour (3–9)

Finals by surface
Hard (2–7)
Clay (1–2)

Result	W–L	Date	Tournament	Tier	Surface	Opponent	Score
Loss	0–1	Aug 2018	Belgium F9, Huy	Futures	Clay	Jan Choinski	6–3, 6–7^(0–7), 3–6
Loss	0–2	Sep 2018	Belgium F10, Damme	Futures	Clay	Michael Geerts	3–6, 3–6
Loss	0–3	Sep 2018	Tunisia F31, Monastir	Futures	Hard	Gabriel Petit	6–7^(5–7), 6–7^(4–7)
Loss	0–4	Oct 2018	Australia F7, Brisbane	Futures	Hard	Evan Hoyt	4–6, 6–7^(5–7)
Loss	0–5	Oct 2018	Australia F8, Toowoomba	Futures	Hard	Maverick Banes	4–6, 2–6
Win	1–5	Feb 2019	M15 Claremont, United States	World Tennis Tour	Hard	Lucas Poullain	6–3, 7–6^(7–3)
Loss	1–6	Nov 2019	M15 Cancún, Mexico	World Tennis Tour	Hard	João Lucas Reis da Silva	2–6, 4–6
Win	2–6	Nov 2021	M15 Guatemala City, Guatemala	World Tennis Tour	Hard	Marco Brugnerotto	6–1, 5–7, 6–4
Loss	2–7	May 2022	M15 Cairo, Egypt	World Tennis Tour	Clay	Li Tu	4–6, 6–3, 3–6
Loss	2–8	Oct 2022	M25 Cairns, Australia	World Tennis Tour	Hard	Alex Bolt	3–6, 2–6
Win	3–8	Jun 2023	M15 Rancho Santa Fe, USA	World Tennis Tour	Hard	Jaimee Floyd Angele	6–3, 6–2
Loss	3–9	Sep 2024	M15 Hong Kong, Hong Kong	World Tennis Tour	Hard	Chris Rodesch	4–6, 6–7^(3–7)

Doubles: 19 (12–7)

Legend
ATP Challenger Tour (4–0)
ITF Tour (8–7)

Finals by surface
Hard (7–3)
Clay (5–4)
Grass (0–0)

Result	W–L	Date	Tournament	Tier	Surface	Partner	Opponents	Score
Win	1–0	Aug 2017	Belgium F8, Eupen	Futures	Clay	Charles Broom	Tom Schonenberg Colin Van Beem	4–6, 6–1, [10–5]
Loss	1–1	Aug 2018	Belgium F9, Huy	Futures	Clay	Luke Jacob Gamble	Dan Added Romain Barbosa	4–6, 5–7
Loss	1–2	Mar 2021	M15 Monastir, Tunisia	World Tennis Tour	Hard	Vladislav Melnic	Samuele Pieri Daniele Capecchi	7–6^(8–6), 4–6, [4–10]
Win	2–2	Mar 2021	M15 Monastir, Tunisia	World Tennis Tour	Hard	Vladislav Melnic	Kazuma Kawachi Evan Zhu	6–3, 4–6, [10–6]
Loss	2–3	Sep 2021	M25 Říčany, Czech Republic	World Tennis Tour	Clay	Alexander Donski	Toby Alex Kodat Adam Pavlásek	3–6, 5–7
Loss	2–4	Sep 2021	M25 Eupen, Belgium	World Tennis Tour	Clay	Benjamin Dhoe	Niklas Schell Kai Wehnelt	6–7^(3–7), 3–6
Loss	2–5	Oct 2021	M15 Tallahassee, United States	World Tennis Tour	Hard	Thomas Fancutt	Liam Draxl John McNally	2–6, 3–6
Loss	2–6	Feb 2022	M15 Oberhaching, Germany	World Tennis Tour	Hard	Edan Leshem	Petr Nouza Giovanni Oradini	6–3, 3–6, [11–13]
Loss	2–7	Apr 2022	M15 Cairo, Egypt	World Tennis Tour	Clay	Francis Casey Alcantara	Lorenzo Joaquin Rodriguez Ilya Rudiukov	5–7, 4–6
Win	3–7	May 2022	M25 Cairo, Egypt	World Tennis Tour	Clay	Francis Casey Alcantara	Denis Klok Ilya Rudiukov	6–3, 6–3
Win	4–7	May 2022	M15 Cairo, Egypt	World Tennis Tour	Clay	Tristan Schoolkate	David Pichler Volodymyr Uzhylovskyi	6–1, 7–5
Win	5–7	Sep 2022	M25 Darwin, Australia	World Tennis Tour	Hard	Kyle Seelig	Tai Sach Zaharije-Zak Talic	6–4, 6–4
Win	6–7	Oct 2022	M25 Cairns, Australia	World Tennis Tour	Hard	Kyle Seelig	James McCabe Adam Walton	6–4, 6–2
Win	7–7	Jan 2023	Nouméa, New Caledonia	Challenger	Hard	Rubin Statham	Toshihide Matsui Kaito Uesugi	6–4, 6–3
Win	9–7	Mar 2023	M25 Canberra, Australia	World Tennis Tour	Clay	Zaharije-Zak Talic	Blake Bayldon Jordan Smith	7–5, 6–3
Win	9–7	Apr 2023	San Luis Potosí, Mexico	Challenger	Clay	Adam Walton	Benjamin Lock Rubin Statham	5–7, 6–3, [10–5]
Win	10–7	Jan 2024	Nouméa, New Caledonia	Challenger	Hard	Rubin Statham	Toshihide Matsui Calum Puttergill	7–5, 6–2
Win	11–7	Nov 2024	M25 Brisbane, Australia	World Tennis Tour	Hard	Brandon Walkin	Joshua Charlton Emile Hudd	7–6^(7–3), 6–3
Win	12–7	Jan 2025	Nouméa, New Caledonia	Challenger	Hard	Blake Bayldon	Ryuki Matsuda Ryotaro Taguchi	6–3, 7–5