Courtney John Lock (born 18 October 1996) is a Zimbabwean tennis player. He has a career high ATP doubles ranking of No. 173 achieved on 5 May 2025 and a singles ranking of No. 1,214 achieved on 27 February 2023. Lock represents Zimbabwe at the Davis Cup alongside his brother Benjamin Lock. He has won 19 doubles titles on the ITF professional circuit.

Career

Lock received his education at the University of Nevada, Las Vegas (USA).

He won his first Davis Cup doubles match in a 2015 Davis Cup tie against Moldova.

In June 2024, the Lock brothers won their first Challenger title together in Blois, France making it the first team from Zimbabwe to win an ATP Challenger or tour-level event since Wayne Black and Kevin Ullyett at the 2005 Australian Open.

Personal life Lock was born on 21 October 1996, in Harare. He currently resides in Las Vegas, Nevada. He has an older brother, Benjamin Lock, who is also a professional tennis player. His brother currently resides in Tallahassee, Florida. He and Benjamin can speak English and Shona, with English being their native language.

Future and Challenger finals Doubles: 33 (20–13)

LegendATP Challengers (1–2)ITF Futures/World Tennis Tour (19–11)Titles by surfaceHard (14–10)Clay (6–3)Grass (0–0)

ResultW–LDateTournamentTierSurfacePartnerOpponentsScoreLoss0–1Zimbabwe F3, HarareFuturesHard Benjamin Lock Evan King Anderson Reed6–4, 4–6, [7–10]Win1–1Mozambique F2, MaputoFuturesHard Benjamin Lock John Lamble Bernardo Saraiva6–4, 6–3Loss1–2Zimbabwe F1, HarareFuturesHard Benjamin Lock Hugo Nys Andrea Vavassori3–6, 3–6Loss1–3Zimbabwe F3, HarareFuturesHard Benjamin Lock Hugo Nys Vishnu Vardhan7–6(7–5), 4–6, [5–10]Win2–3Egypt F16, Sharm El SheikhFuturesHard Benjamin Lock Jarmere Jenkins Anderson Reed3–6, 6–3, [10–8]Win3–3Zimbabwe F1, HarareFuturesHard Benjamin Lock Anirudh Chandrasekar Vignesh Peranamallur6–3, 6–0Win4–3Zimbabwe F2, HarareFuturesHard Benjamin Lock Connor Farren Milen Ianakiev6–2, 6–3Win5–3Zimbabwe F3, HarareFuturesHard Benjamin Lock Jordan Parker Isaac StouteWalkoverWin6–3Nigeria F5, LagosFuturesHard Benjamin Lock Tom Jomby Alexis Klégou3–6, 6–4, [10–7]Win7–3Mozambique F1, MaputoFuturesHard Benjamin Lock Luke Jacob Gamble Tyler Lu5–7, 6–3, [10–4]Loss7–4Mozambique F2, MaputoFuturesHard Benjamin Lock Luke Jacob Gamble Tyler Lu7–5, 3–6, [6–10]Loss7–5South Africa F2, StellenboschFuturesHard Benjamin Lock Gábor Borsos Péter Nagy6–7(1–7), 2–6Loss7–6M15 Sharm El Sheikh, EgyptWorld Tennis TourHard Benjamin Lock Enrico Dalla Valle Francesco Forti6–7(5–7), 7–6(7–5), [7–10]Loss7–7M15 Sharm El Sheikh, EgyptWorld Tennis TourHard Benjamin Lock Michael Geerts Vladyslav Manafov3–6, 6–7(10–12)Win8–7M15 Sharm El Sheikh, EgyptWorld Tennis TourHard Benjamin Lock Ryan Nijboer Pablo Vivero González7–6(7–4), 6–7(5–7), [11–9]Loss8–8M25+H Abuja, NigeriaWorld Tennis TourHard Benjamin Lock Sadio Doumbia Fabien Reboul7–6(7–5), 3–6, [7–10]Win9–8M15 Accra, GhanaWorld Tennis TourHard Benjamin Lock David Anthony Hale Niklas Johansson6–4, 6–1Win10–8M15 Harare, ZimbabweWorld Tennis TourHard Benjamin Lock Martin Beran Joshua Paris6–3, 6–0Win11–8M15 Johannesburg, South AfricaWorld Tennis TourHard Benjamin Lock Alexander Donski David Pichler6–3, 6–4Loss11–9M25+H Lagos, NigeriaWorld Tennis TourHard Benjamin Lock Aziz Dougaz Skander Mansouri6–7(4–7), 3–6Win12–9M25+H Lagos, NigeriaWorld Tennis TourHard Benjamin Lock William Bushamuka Aryan Goveas6–4, 6–4Win13–9M15 Maputo, MozambiqueWorld Tennis TourHard Benjamin Lock Jake Delaney Bruno Nhavene6–4, 6–3Win14–9M25 Medellín, ColombiaWorld Tennis TourClay Benjamin Lock Akira Santillan Rubin Statham4–6, 6–4, [10–6]Win15–9M25 Santa Margherita di Pula, ItalyWorld Tennis TourClay Benjamin Lock Adam Taylor Jason Taylor6–4, 3–6, [10–8]Loss15–10M15 Oran, AlgeriaWorld Tennis TourClay Benjamin Lock Robin Bertrand Mirko Martinez6–1, 4–6, [6–10]Win16–10M15 Oran, AlgeriaWorld Tennis TourClay Benjamin Lock Robin Bertrand Mirko Martinez6–1, 6–7(4–7), [10–3]Loss16–11Segovia, SpainChallengerHard Benjamin Lock Nicolás Álvarez Varona Iñaki Montes de la Torre6–7(3–7), 3–6Loss16–12Ambato, EcuadorChallengerClay Benjamin Lock Santiago Rodríguez Taverna Thiago Agustín Tirante6–7(11–13), 3–6Win17–12M25 Mosquera, ColombiaWorld Tennis TourClay Benjamin Lock Peter Bertran Thijmen Loof7–6(7–3), 7–5Loss17–13M25 Anapoima, ColombiaWorld Tennis TourClay Benjamin Lock Ivan Denisov Daniel Antonio Nunez4–6, 2–6Win18–13M15 Addis Ababa, EthiopiaWorld Tennis TourClay Benjamin Lock Chirag Duhan Maik Steiner6–3, 7–6(7–4)Win19–13M25 Addis Ababa, EthiopiaWorld Tennis TourClay Benjamin Lock S D Prajwal Dev Adil Kalyanpur3–6, 6–3, [10–8]Win20–13Blois, FranceChallengerHard (i) Benjamin Lock Corentin Denolly Arthur Géa1–6, 6–3, [10–4]

Davis Cup Participations: (4–5) Group membershipWorld Group (0–0)WG Play-off (0–0)Group I (0–0)Group II (3–4)Group III (1–1)Group IV (0–0)Matches by surfaceHard (3–4)Clay (1–1)Grass (0–0)Carpet (0–0)Matches by typeSingles (0–2)Doubles (4–3) indicates the outcome of the Davis Cup match followed by the score, date, place of event, the zonal classification and its phase, and the court surface.

Rubber outcomeNo.RubberMatch type (partner if any)Opponent nationOpponent player(s)Score5–0; 17-19 July 2015; Harare Sports Club, Harare, Zimbabwe; Europe/Africa Zone Group II Relegation play off; Hard surfaceVictory1IIIDoubles (with Mark Fynn) MoldovaDmitrii Baskov / Andrei Șoltoianu7–5, 5–7, 7–6(8–6), 6–31–4; 4-6 March 2016; Kittilän Urheiluhalli, Kittilä, Finland; Europe/Africa Zone Group II First round; Hard (indoor) surfaceDefeat2ISingles FinlandJarkko Nieminen0–6, 0–6, 0–6Defeat3IIIDoubles (with Mark Fynn)Henri Kontinen / Jarkko Nieminen1–6, 0–6, 1–6Defeat4VSingles (dead rubber)Harri Heliövaara1–6, 0–62–3; 15-17 July 2016; Mziuri Tennis Club, Tbilisi, Georgia; Europe/Africa Zone Group II Relegation play off; Hard surfaceVictory5IIIDoubles (with Benjamin Lock) GeorgiaNikoloz Basilashvili / Nodar Itonishvili3–6, 3–6, 7–6(8–6), 6–4, 6–43–0; 17 July 2017; Solaimaneyah Club, Cairo, Egypt; Europe/Africa Zone Group III Round Robin; Clay surfaceVictory6IIIDoubles (with Benjamin Lock) (dead rubber) RwandaOlivier Havugimana / Fabrice Tuyishime6–2, 6–10–3; 21 July 2017; Solaimaneyah Club, Cairo, Egypt; Europe/Africa Zone Group III Round Robin; Clay surfaceDefeat7IIIDoubles (with Benjamin Lock) (dead rubber) EgyptYoussef Hossam / Sherif Sabry4–6, 3–61–4; 5-6 April 2019; Polyvalent Hall, Piatra Neamţ, Romania; Europe/Africa Zone Group II First round; Hard (indoor) surfaceDefeat8IIIDoubles (with Benjamin Lock) RomaniaFlorin Mergea / Horia Tecău1–6, 4–63–1; 6-7 March 2020; Harare Sports Club, Harare, Zimbabwe; World Group II Play-off First round; Hard surfaceVictory9IIIDoubles (with Benjamin Lock) SyriaYacoub Makzoume / Hazem Naw6–1, 4–6, 6–3

References

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