Challenger - Playford 10/26 23:30 26 [380] Marek Gengel v James Duckworth [114] 1-6,2-6
Challenger - Playford 10/25 06:05 25 [349] Prajnesh Gunneswaran v James Duckworth [114] 5-7,1-6
Challenger - Busan 10/18 03:50 25 James Duckworth v Marc Polmans 4-6,6-2,4-6
Challenger - Seoul 10/15 07:20 28 [292] Li Tu v James Duckworth [114] 6-4,6-3
Challenger - Seoul 10/14 03:40 27 [114] James Duckworth v Maximilian Marterer [162] 4-6,7-6,6-3
Challenger - Seoul 10/13 03:35 26 James Duckworth v Hong Chung 7-6,6-1
Challenger - Seoul 10/11 07:35 25 [114] James Duckworth v Aleksandar Kovacevic [172] 7-6,6-3
ATP - Tokyo 10/05 09:55 25 [109] James Duckworth v Taylor Fritz [11] 2-6,7-6,1-6
ATP - San Diego 09/23 18:30 27 [58] Marcos Giron v James Duckworth [83] 7-6,6-3
ATP - San Diego 09/22 00:35 26 [228] Mitchell Krueger v James Duckworth [83] 3-6,6-7
ATP - San Diego 09/19 18:30 25 [90] Alexei Popyrin v James Duckworth [83] 5-7,6-4,1-6
Challenger - Istanbul 09/13 12:15 25 [70] James Duckworth v Lukas Rosol [305] 2-6,6-7
Challenger - Cassis 09/11 12:00 29 [119] Hugo Grenier v James Duckworth [83] 7-5,6-4
Challenger - Cassis 09/10 12:00 28 [126] Tomas Machac v James Duckworth [83] 3-6,4-6
Challenger - Cassis 09/09 08:30 27 [176] Borna Gojo v James Duckworth [83] 3-6,6-3,4-6
Challenger - Cassis 09/07 11:05 26 Gabriel Debru v James Duckworth 6-7,4-6
Challenger - Cassis 09/06 08:00 25 [194] Antoine Bellier v James Duckworth [83] 4-6,6-2,2-6
US Open 09/01 15:00 24 [83] James Duckworth v Daniel Evans [23] 3-6,2-6,6-4,4-6
US Open 08/30 16:40 23 [83] James Duckworth v Christopher O'Connell [118] 4-6,7-6,6-2,6-3
ATP - Winston-Salem 08/23 20:00 25 [84] James Duckworth v Maxime Cressy [34] 3-6,3-6
ATP - Winston-Salem 08/22 18:00 24 [70] Thanasi Kokkinakis v James Duckworth [84] 6-4,3-6,6-7
ATP - Montreal 08/06 16:20 14 James Duckworth v Gabriel Diallo 3-6,6-7
ATP - Washington 08/01 18:35 24 [59] James Duckworth v Borna Gojo [198] 6-4,6-7,2-6
ATP Atlanta 07/28 23:00 26 [30] Alex De Minaur v James Duckworth [62] 6-4,6-4
ATP Atlanta 07/26 23:35 25 [141] Dominik Koepfer v James Duckworth [62] 1-6,7-6,3-6
ATP - Newport 07/15 18:40 27 [102] Jason Kubler v James Duckworth [74] 7-5,7-6
ATP - Newport 07/13 15:00 26 [86] Quentin Halys v James Duckworth [74] 5-7,6-3,2-6
ATP - Newport 07/12 16:40 25 [140] Liam Broady v James Duckworth [74] 2-6,6-4,2-6
Challenger - Porto 07/09 10:00 28 [74] James Duckworth v Altug Celikbilek [179] 6-7,4-6
Challenger - Porto 07/08 10:50 27 [74] James Duckworth v Aidan Mchugh [356] 7-6,6-0

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.