Challenger - Stanford 08/17 20:45 27 [120] James Duckworth v Yosuke Watanuki [90] 1-6,3-6
Challenger - Stanford 08/16 18:25 26 [120] James Duckworth v Adam Walton [206] 6-3,6-4
Challenger - Stanford 08/15 19:40 25 [120] James Duckworth v Genaro Alberto Olivieri [145] 6-2,6-3
ATP - Toronto 08/05 16:00 14 [123] James Duckworth v Constant Lestienne [109] 1-6,6-2,4-6
ATP - Los Cabos 08/03 01:00 26 [84] Dominik Koepfer v James Duckworth [123] 6-2,6-2
ATP - Los Cabos 08/02 02:45 25 [127] Otto Virtanen v James Duckworth [123] 3-6,0-6
ATP - Atlanta 07/24 18:45 25 [204] Lloyd Harris v James Duckworth [128] 3-6,6-3,6-2
ATP - Atlanta 07/23 15:00 19 [129] James Duckworth v Gijs Brouwer [145] 6-2,6-4
ATP - Atlanta 07/22 14:00 14 [129] James Duckworth v Mitchell Krueger [285] 4-6,7-6,6-3
ATP - Newport 07/19 17:25 26 [129] James Duckworth v Alex Michelsen [190] 6-4,3-6,0-6
ATP - Newport 07/18 18:35 25 [129] James Duckworth v Constant Lestienne [86] 5-7,6-4,7-5
Challenger - Chicago 07/11 17:40 25 James Duckworth v Yuta Shimizu Cancelled
Challenger - Bloomfield Hills 07/06 14:15 26 [110] James Duckworth v Tennys Sandgren [240] 4-6,6-3,4-6
Challenger - Bloomfield Hills 07/04 16:20 25 [110] James Duckworth v Beibit Zhukayev [243] 7-6,7-5
Wimbledon 06/28 10:00 15 [109] James Duckworth v Harold Mayot [180] 4-6,4-6
Wimbledon 06/26 10:00 14 [109] James Duckworth v Stuart Parker [425] 4-6,6-3,6-1
French Open 05/23 14:40 14 [109] James Duckworth v Riccardo Bonadio [164] 4-6,6-7
Challenger - Gwangju 05/05 03:00 26 [102] James Duckworth v Marc Polmans [209] 3-6,6-7
Challenger - Gwangju 05/02 01:30 25 [102] James Duckworth v Omar Jasika [265] 6-3,6-1
Challenger - Soul 04/27 04:55 26 [102] James Duckworth v Yasutaka Uchiyama [277] 4-6,2-6
Challenger - Soul 04/26 05:10 25 James Duckworth v Duckhee Lee 7-6,1-6,6-1
Challenger - Morelos 04/23 19:00 29 [113] James Duckworth v Thiago Agustin Tirante [185] 5-7,0-6
Challenger - Morelos 04/22 22:00 28 [113] James Duckworth v Christian Langmo [400] 6-3,7-5
Challenger - Morelos 04/21 21:00 27 [113] James Duckworth v Vitaliy Sachko [292] 2-6,7-6,7-5
Challenger - Morelos 04/19 22:00 26 [113] James Duckworth v Oliver Crawford [298] 3-6,7-6,6-2
Challenger - Morelos 04/17 21:55 25 [113] James Duckworth v Bernard Tomic [382] 6-2,6-2
Challenger - Leon 04/14 22:35 27 [115] James Duckworth v Juan Pablo Ficovich [231] 6-7,6-3,3-6
Challenger - Leon 04/12 20:00 26 [115] James Duckworth v Benjamin Lock [434] 6-3,6-4
Challenger - Leon 04/11 00:00 25 [115] James Duckworth v Skander Mansouri [281] 7-6,6-2
Challenger - San Luis Potosi 04/04 22:30 25 [110] James Duckworth v Thiago Agustin Tirante [199] 6-7,6-4,3-6

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.