Colin Sinclair (born December 19, 1994) is an American tennis player representing the Northern Mariana Islands. He achieved a career best singles ranking of world No. 340 on 18 September 2023 and a doubles ranking of No. 200 on 10 April 2023.
Sinclair has won four ATP Challenger and eight ITF Tour doubles titles. Additionally, he has won three singles ITF titles. 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. On 23 September 2026 he lost to rank 1764 Yang Zijang.
ATP Challenger and ITF Tour finals
Singles: 15 (5–10) LegendATP Challenger Tour (0–0)ITF Futures/World Tennis Tour (5–10)Finals by surfaceHard (2–7)Clay (2–2)Grass (1–1)
ResultW–LDateTournamentTierSurfaceOpponentScoreLoss0–1Belgium F9, HuyFuturesClay Jan Choinski6–3, 6–7(0–7), 3–6Loss0–2Belgium F10, DammeFuturesClay Michael Geerts3–6, 3–6Loss0–3Tunisia F31, MonastirFuturesHard Gabriel Petit6–7(5–7), 6–7(4–7)Loss0–4Australia F7, BrisbaneFuturesHard Evan Hoyt4–6, 6–7(5–7)Loss0–5Australia F8, ToowoombaFuturesHard Maverick Banes4–6, 2–6Win1–5M15 Claremont, United StatesWorld Tennis TourHard Lucas Poullain6–3, 7–6(7–3)Loss1–6M15 Cancún, MexicoWorld Tennis TourHard João Lucas Reis da Silva2–6, 4–6Win2–6M15 Guatemala City, GuatemalaWorld Tennis TourHard Marco Brugnerotto6–1, 5–7, 6–4Loss2–7M15 Cairo, EgyptWorld Tennis TourClay Li Tu4–6, 6–3, 3–6Loss2–8M25 Cairns, AustraliaWorld Tennis TourHard Alex Bolt3–6, 2–6Win3–8M15 Rancho Santa Fe, USAWorld Tennis TourHard Jaimee Floyd Angele6–3, 6–2Loss3–9M15 Hong Kong, Hong KongWorld Tennis TourHard Chris Rodesch4–6, 6–7(3–7)Win4–9M15 Wodonga, AustraliaWorld Tennis TourGrass Cruz Hewitt6–3, 6–2Loss4–10M15 Swan Hill, AustraliaWorld Tennis TourGrass Pavle Marinkov6–7(2–7), 2–6Win5–10M25 Anning, ChinaWorld Tennis TourClay Filip Peliwo6–3, 6–0
Doubles: 19 (12–7) LegendATP Challenger Tour (4–0)ITF Tour (8–7)Finals by surfaceHard (7–3)Clay (5–4)Grass (0–0)
ResultW–LDateTournamentTierSurfacePartnerOpponentsScoreWin1–0Belgium F8, EupenFuturesClay Charles Broom Tom Schonenberg Colin Van Beem4–6, 6–1, [10–5]Loss1–1Belgium F9, HuyFuturesClay Luke Jacob Gamble Dan Added Romain Barbosa4–6, 5–7Loss1–2M15 Monastir, TunisiaWorld Tennis TourHard Vladislav Melnic Samuele Pieri Daniele Capecchi7–6(8–6), 4–6, [4–10]Win2–2M15 Monastir, TunisiaWorld Tennis TourHard Vladislav Melnic Kazuma Kawachi Evan Zhu6–3, 4–6, [10–6]Loss2–3M25 Říčany, Czech RepublicWorld Tennis TourClay Alexander Donski Toby Alex Kodat Adam Pavlásek3–6, 5–7Loss2–4M25 Eupen, BelgiumWorld Tennis TourClay Benjamin Dhoe Niklas Schell Kai Wehnelt6–7(3–7), 3–6Loss2–5M15 Tallahassee, United StatesWorld Tennis TourHard Thomas Fancutt Liam Draxl John McNally2–6, 3–6Loss2–6M15 Oberhaching, GermanyWorld Tennis TourHard Edan Leshem Petr Nouza Giovanni Oradini6–3, 3–6, [11–13]Loss2–7M15 Cairo, EgyptWorld Tennis TourClay Francis Casey Alcantara Lorenzo Joaquin Rodriguez Ilya Rudiukov5–7, 4–6Win3–7M25 Cairo, EgyptWorld Tennis TourClay Francis Casey Alcantara Denis Klok Ilya Rudiukov6–3, 6–3Win4–7M15 Cairo, EgyptWorld Tennis TourClay Tristan Schoolkate David Pichler Volodymyr Uzhylovskyi6–1, 7–5Win5–7M25 Darwin, AustraliaWorld Tennis TourHard Kyle Seelig Tai Sach Zaharije-Zak Talic6–4, 6–4Win6–7M25 Cairns, AustraliaWorld Tennis TourHard Kyle Seelig James McCabe Adam Walton6–4, 6–2Win7–7Nouméa, New CaledoniaChallengerHard Rubin Statham Toshihide Matsui Kaito Uesugi6–4, 6–3Win9–7M25 Canberra, AustraliaWorld Tennis TourClay Zaharije-Zak Talic Blake Bayldon Jordan Smith7–5, 6–3Win9–7San Luis Potosí, MexicoChallengerClay Adam Walton Benjamin Lock Rubin Statham5–7, 6–3, [10–5]Win10–7Nouméa (2)ChallengerHard Rubin Statham Toshihide Matsui Calum Puttergill7–5, 6–2Win11–7M25 Brisbane, AustraliaWorld Tennis TourHard Brandon Walkin Joshua Charlton Emile Hudd7–6(7–3), 6–3Win12–7Nouméa (3)ChallengerHard Blake Bayldon Ryuki Matsuda Ryotaro Taguchi 6–3, 7–5
References
External links