Challenger - Nonthaburi 01/18 03:30 26 [156] James Duckworth v Sho Shimabukuro [261] 6-7,6-4,1-6
Challenger - Nonthaburi 01/16 08:25 25 [156] James Duckworth v Beibit Zhukayev [307] 6-3,6-4
Australian Open 01/10 02:45 14 [195] Mikhail Kukushkin v James Duckworth [157] 7-5,6-4
ATP - Adelaide 01/01 07:50 19 [164] Rinky Hijikata v James Duckworth [155] 7-5,6-4
ATP - Adelaide 12/31 06:00 14 [155] James Duckworth v Ben Shelton [96] 6-3,7-6
Challenger - Yokkaichi 11/26 03:35 28 [173] Yosuke Watanuki v James Duckworth [172] 7-6,6-3
Challenger - Yokkaichi 11/25 01:30 27 [235] Nicholas D Ionel v James Duckworth [172] 6-4,3-6,3-6
Challenger - Yokkaichi 11/24 01:30 26 [301] Filip C Jianu v James Duckworth [172] 7-6,2-6,2-6
Challenger - Yokkaichi 11/22 04:45 25 [443] Makoto Ochi v James Duckworth [172] 6-7,4-6
Challenger - Kobe 11/15 07:10 25 James Duckworth v Shinji Hazawa 4-6,4-6
Challenger - Sydney 10/31 05:40 25 [361] Mukund Sasikumar v James Duckworth [110] 4-6,6-3,7-6
Challenger - Playford 10/28 02:00 27 [192] Rinky Hijikata v James Duckworth [114] 4-6,6-1,6-2
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

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.