Challenger Kobe 11/06 05:50 25 [467] Renta Tokuda v James Duckworth [110] 6-2,6-2
Challenger Playford 2 11/03 02:15 29 [86] Yasutaka Uchiyama v James Duckworth [130] 6-7,4-6
Challenger Playford 2 11/02 02:20 28 [134] Tatsuma Ito v James Duckworth [130] Retired
Challenger Playford 2 11/01 01:30 27 [190] Jay Clarke v James Duckworth [130] 3-6,3-6
Challenger Playford 2 10/31 00:50 26 Tristan Schoolkate v James Duckworth 1-6,3-6
Challenger Playford 2 10/29 05:25 25 Alexander Crnokrak v James Duckworth 3-6,5-7
Challenger Traralgon 10/25 03:00 27 [189] Andrew Harris v James Duckworth [133] 6-3,6-3
Challenger Traralgon 10/24 01:25 26 [293] Yosuke Watanuki v James Duckworth [133] 3-6,3-6
Challenger Traralgon 10/23 03:00 25 [150] Harri Heliovaara v James Duckworth [133] 4-6,2-6
Challenger Las Vegas 10/20 19:20 29 [138] James Duckworth v Vasek Pospisil [191] 5-7,7-6,3-6
Challenger Las Vegas 10/19 20:35 28 [247] Ernesto Escobedo v James Duckworth [138] 4-6,6-7
Challenger Las Vegas 10/18 18:00 27 Stefan Kozlov v James Duckworth 2-6,3-6
Challenger Las Vegas 10/17 18:00 26 [207] Dmitry Popko v James Duckworth [138] 3-6,4-6
Challenger Las Vegas 10/16 17:30 25 [321] Roy Smith v James Duckworth [138] 4-6,4-6
Challenger Fairfield 10/10 20:10 26 Brandon Nakashima v James Duckworth 7-6,7-5
Challenger Fairfield 10/09 19:00 25 Felix Corwin v James Duckworth 7-6,5-7,0-6
ATP Tokió 09/29 03:55 164 [143] James Duckworth v Alexei Popyrin [90] 3-6,6-7
ATP Tokió 09/28 04:30 64 [88] Thomas Fabbiano v James Duckworth [143] 2-6,3-6
ATP Chengdu 09/22 05:00 164 [84] Kamil Majchrzak v James Duckworth [140] 4-6,7-6,6-4
ATP Chengdu 09/21 09:10 64 [317] Harry Bourchier v James Duckworth [140] 3-6,4-6
Challenger Jinan 09/05 06:30 26 [131] James Duckworth v Zhe Li [225] 6-7,3-6
Challenger Jinan 09/04 05:40 25 [131] James Duckworth v Ze Zhang [354] 6-1,6-4
Challenger Baotou 09/01 04:00 29 [131] James Duckworth v Sasi Kumar Mukund [285] 6-4,6-3
Challenger Baotou 08/31 03:00 28 [131] James Duckworth v Frederico Ferreira Silva [282] 6-3,6-4
Challenger Baotou 08/30 03:00 27 [131] James Duckworth v Goncalo Oliveira [265] Retired
Challenger Baotou 08/29 04:50 26 [131] James Duckworth v Tsung-Hua Yang [297] 3-6,7-6,6-1
Challenger Baotou 08/28 08:35 25 [131] James Duckworth v Min-Kyu Song [192] 6-1,6-4
US Open 08/20 20:05 44 [205] Marco Trungelliti v James Duckworth [132] 6-3,5-7,6-3
Challenger Yokkaichi 08/11 05:40 29 [164] Yuichi Sugita v James Duckworth [158] 3-6,6-3,7-6
Challenger Yokkaichi 08/10 04:25 28 [143] Tatsuma Ito v James Duckworth [158] 3-6,4-6

James Duckworth (born 21 January 1992) is an Australian professional tennis player. He has a career-high Association of Tennis Professionals (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.