| Challenger Acapulco | 04/15 22:00 | 19 | [390] Benjamin Lock v Bor Artnak [478] | Retired | |
| Challenger Acapulco | 04/14 23:40 | 14 | Benjamin Lock v Keegan Smith | 7-6,6-1 | |
| Challenger Morelos | 04/09 16:00 | 25 | [192] Beibit Zhukayev v Benjamin Lock [359] | 7-6,6-2 | |
| Challenger Mexico City | 04/02 20:55 | 25 | [201] Beibit Zhukayev v Benjamin Lock [359] | 4-6,6-3,6-4 | |
| Challenger Mexico City | 04/01 19:25 | 19 | [359] Benjamin Lock v Roberto Cid Subervi [391] | 6-1,7-6 | |
| Challenger Mexico City | 03/31 18:30 | 14 | [355] Benjamin Lock v David Pichler [269] | 6-3,6-3 | |
| Challenger San Luis Potosi | 03/26 17:40 | 25 | [355] Benjamin Lock v Matias Soto [170] | 6-3,2-6,3-6 | |
| Challenger Kigali | 03/07 10:40 | 26 | Stefan Kozlov v Benjamin Lock | 7-6,5-7,6-4 | |
| Challenger Kigali | 03/06 08:00 | 25 | Gabriele Pennaforti v Benjamin Lock | 3-6,6-7 | |
| Challenger Kigali | 02/27 12:50 | 25 | Benjamin Lock v Lucas Bouquet | 6-4,6-7,3-6 | |
| Challenger Glasgow | 02/14 10:30 | 25 | [348] Benjamin Lock v Elmar Ejupovic [433] | 5-7,4-6 | |
| Challenger Burnie | 02/06 23:00 | 25 | [299] Luke Saville v Benjamin Lock [348] | 6-1,6-0 | |
| Davis Cup | 02/04 07:55 | 4 | Coleman Wong v Benjamin Lock | Cancelled | |
| Davis Cup | 02/03 06:30 | 1 | Hong Kit Wong v Benjamin Lock | 3-6,6-3,7-6 | |
| Challenger Indian Wells | 01/23 22:30 | 25 | [354] Benjamin Lock v Yshai Oliel [415] | 6-3,6-7,0-6 | |
| Challenger Indian Wells | 01/17 18:00 | 26 | [286] Mitchell Krueger v Benjamin Lock [354] | 6-4,6-4 | |
| Challenger Indian Wells | 01/15 22:50 | 25 | [354] Benjamin Lock v Lucas Gerch [416] | 6-3,6-1 | |
| Challenger Temuco | 11/27 17:35 | 25 | [461] Gilbert Klier Junior v Benjamin Lock [354] | 6-3,6-2 | |
| Challenger Brasilia | 11/21 14:40 | 25 | [343] Benjamin Lock v Renzo Olivo [269] | 6-7,6-7 | |
| Challenger Drummondville | 11/14 17:20 | 25 | Benjamin Thomas George v Benjamin Lock | 6-1,7-5 | |
| Challenger Calgary | 11/06 23:50 | 25 | [342] Benjamin Lock v Zizou Bergs [180] | 7-6,3-6,3-6 | |
| Challenger Sydney | 10/31 05:20 | 25 | [278] Ryan Seggerman v Benjamin Lock [345] | 6-3,4-6,6-4 | |
| Challenger Playford | 10/24 23:30 | 25 | Benjamin Lock v Chak L C Wong | Cancelled | |
| Challenger Shenzhen | 10/17 06:00 | 26 | [337] Benjamin Lock v Tsung-Hao Huang [388] | 5-7,4-6 | |
| Challenger Shenzhen | 10/09 12:50 | 14 | [346] Benjamin Lock v Zhe Li [445] | 1-6,6-3,1-6 | |
| ATP Shanghai | 10/03 07:25 | 15 | [76] Rinky Hijikata v Benjamin Lock [344] | 6-1,6-4 | |
| ATP Shanghai | 10/02 05:55 | 14 | [344] Benjamin Lock v Lorenzo Giustino [279] | 7-6,3-6,6-4 | |
| Challenger Bogota | 09/27 16:25 | 25 | [344] Benjamin Lock v Alejandro Tabilo [131] | 4-6,6-2,6-7 | |
| ATP Chengdu | 09/21 10:05 | 25 | [346] Benjamin Lock v Miomir Kecmanovic [47] | 2-6,3-6 | |
| ATP Chengdu | 09/20 04:40 | 19 | [284] Rio Noguchi v Benjamin Lock [346] | 3-6,6-7 |
Benjamin Lock (born 4 March 1993) is a Zimbabwean tennis player. He is a member of the Zimbabwe Davis Cup team, where he has a win–loss record of 30–12.
Lock has a career high ATP singles ranking of world No. 314 achieved on 17 July 2023. He also has a career high ATP doubles ranking of world No. 175 achieved on 5 November 2018.
Lock has won 10 ITF singles titles and 35 ITF doubles titles.
In November 2014, Lock won his first doubles title on the ITF Men's Circuit, playing alongside Jean-Yves Aubone in Niceville, Florida. In June 2015, Lock won his first singles title on the ITF Men's Circuit in Mozambique.
In February 2020, Lock won his first Challenger doubles title in Launceston, Australia playing alongside Evan King.
Lock reached his first Challenger singles finals in June 2023 at the Medellín Open, losing to Patrick Kypson in the final.
In September 2023, Lock made his ATP Tour debut as a qualifier at the 2023 Chengdu Open, losing to seventh seed Miomir Kecmanović in the first round.