ITF W60 Montpellier 10/02 03:00 46 Matthew Ebden v James Duckworth 2-6,2-6
ITF W60 Montpellier 10/01 03:00 45 James Duckworth v Jared Donaldson 7-6,6-4
ATP Shenzhen Qual 09/25 08:00 46 Ryan Harrison v James Duckworth 4-6,6-4,6-1
ATP Shenzhen Qual 09/24 07:15 45 James Duckworth v Marco Trungelliti 7-5,6-4
US Open 2016 08/31 16:45 24 Jo-Wilfried Tsonga v James Duckworth 6-4,3-6,6-3,6-4
US Open 08/29 22:20 23 James Duckworth v Robin Haase 4-6,7-5,6-3,4-6,6-3
ATP Washington 07/20 23:50 25 John Isner v James Duckworth 6-3,6-4
ATP Washington 07/18 20:00 24 James Duckworth v Tim Smyczek 7-5,6-1
ATP Washington Qual 07/17 14:00 46 James Duckworth v Alexander Sarkissian 4-6,7-6,6-2
ATP Washington Qual 07/16 17:20 45 James Duckworth v Ulises Blanch 6-1,6-4
ATP Newport 07/12 16:25 25 James Duckworth v Adrian Mannarino 7-6,6-7,6-7
Wimbledon Qual 06/21 09:30 44 James Duckworth v Kenny de Schepper 1-6,7-6,3-6
ITF China F6 05/15 02:00 29 James Duckworth v Yusuke Takahashi 6-3,6-2
ITF China F6 05/14 02:00 28 James Duckworth v Raymond Sarmiento 6-7,6-1,6-3
ITF China F6 05/13 04:10 27 James Duckworth v Rigele Te 7-5,6-3
ITF China F6 05/12 03:55 26 James Duckworth v Fajing Sun 6-3,6-1
ITF China F6 05/11 02:00 25 James Duckworth v Wishaya Trongcharoenchaikul 6-4,6-3
Challenger Knoxville 11/13 17:45 27 Dennis Novikov v James Duckworth 7-5,6-4
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

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.