Challenger - Knoxville 11/12 18:50 26 Sekou Bangoura v James Duckworth 6-4,3-6,4-6
Challenger - Knoxville 11/10 16:30 25 Frederik Nielsen v James Duckworth 6-7,4-6
US Open 09/01 21:15 23 Hyeon Chung v James Duckworth 6-3,6-1,6-2
ATP Cincinnati Qual 08/15 20:25 45 Steve Johnson v James Duckworth 7-5,6-4
ATP Montreal Qual 08/09 20:45 46 Denis Kudla v James Duckworth 6-4,6-1
ATP Montreal Qual 08/08 19:10 45 Illya Marchenko v James Duckworth 3-6,5-7
ATP - Washington 08/05 02:00 25 James Duckworth v Kei Nishikori 7-6,1-6,4-6
ATP - Washington 08/03 20:00 24 James Duckworth v Ryan Harrison 6-1,7-6
Wimbledon 07/02 10:30 24 Sam Groth v James Duckworth 7-5,6-4,7-6
Wimbledon 06/30 10:30 23 Malek Jaziri v James Duckworth 6-7,2-6,6-3,6-3,5-7
Challenger - Bordeaux 05/13 08:30 26 Jurgen Zopp v James Duckworth 6-2,6-7,6-4
Challenger - Bordeaux 05/11 14:15 25 Quentin Halys v James Duckworth 4-6,7-6,3-6
Challenger - San Luis Potosi 04/04 20:00 28 Guido Pella v James Duckworth 6-3,6-3
Challenger - San Luis Potosi 04/03 21:05 27 James Duckworth v Adrian Menendez-Maceiras 6-1,6-4
Challenger - San Luis Potosi 04/03 00:15 26 James Duckworth v Ivan Endara 7-6,6-4
Challenger - San Luis Potosi 04/01 19:30 25 James Duckworth v Marcelo Arevalo 3-6,6-3,6-2
ATP - Miami 03/27 22:20 24 Fernando Verdasco v James Duckworth 4-6,6-2,6-1
ATP - Miami 03/25 18:30 23 Damir Dzumhur v James Duckworth 3-6,6-3,3-6
ATP Miami Qual 03/24 16:50 45 Alejandro Gonzalez v James Duckworth 2-6,6-7
Challenger - Charlottesville 11/02 18:00 29 James Duckworth v Liam Broady 5-7,6-3,6-2
Challenger - Charlottesville 10/31 17:15 27 Taro Daniel v James Duckworth 1-6,2-6
Challenger - Charlottesville 10/29 16:00 26 Edward Corrie v James Duckworth 6-2,4-6,1-6
Challenger - Charlottesville 10/27 20:05 25 Ernesto Escobedo v James Duckworth 6-1,3-6,4-6
Challenger Shanghai Qual 10/04 07:45 45 James Duckworth v Go Soeda 7-5,6-2
Challenger - Shanghai 09/04 06:30 26 James Duckworth v Yoshihito Nishioka 4-6,6-7
Challenger - Shanghai 09/02 03:45 25 James Duckworth v Elias Ymer 6-4,3-6,6-0
US Open Qual 08/21 17:00 45 James Duckworth v Ernesto Escobedo 2-6,6-7
US Open Qual 08/19 17:30 44 James Duckworth v Axel Michon 6-3,5-7,6-2
ATP - Washington 07/29 20:00 24 Steve Johnson v James Duckworth 6-3,7-6
Wimbledon 06/24 12:10 23 Richard Gasquet v James Duckworth 6-7,6-3,3-6,6-0,6-1

James Duckworth (born 21 January 1992) is an Australian professional tennis player. He has a career-high ATP singles ranking of World No. 46 achieved on 31 January 2022 and No. 185 in doubles achieved on 10 February 2020. Duckworth represented Australia in tennis at the 2020 Tokyo Olympics and the 2022 ATP Cup.

As a junior, Duckworth enjoyed a successful career which included winning three titles and reaching the semifinals of the 2010 French Open.