Challenger Nur-Sultan 03/05 05:00 27 [102] James Duckworth v Prajnesh Gunneswaran [134] 4-6,6-2,6-7
Challenger Nur-Sultan 03/04 05:00 26 [102] James Duckworth v Vladyslav Manafov [253] 6-2,6-7,7-5
Challenger Nur-Sultan 03/03 06:05 25 James Duckworth v Alibek Kachmazov 6-4,5-7,7-5
ATP Singapore 02/23 10:00 25 [100] James Duckworth v Yannick Hanfmann [105] 2-6,4-6
Ausztrál Open 02/10 01:30 24 [105] James Duckworth v Felix Auger Aliassime [19] 4-6,1-6,2-6
Ausztrál Open 02/08 04:45 23 [120] Damir Dzumhur v James Duckworth [105] 3-6,2-6,4-6
ATP Murray River Open 02/05 01:25 26 [105] James Duckworth v Corentin Moutet [80] 6-7,4-6
ATP Murray River Open 02/03 03:30 25 [32] Ugo Humbert v James Duckworth [105] 6-7,4-6
ATP Murray River Open 02/02 02:35 24 [105] James Duckworth v Tomas Machac [197] 6-3,6-4
ATP Nur-Sultan 10/26 12:45 25 [61] Fernando Verdasco v James Duckworth [97] 6-4,7-6
ATP Köln 2 10/20 16:05 25 [46] Jannik Sinner v James Duckworth [97] 6-1,6-2
ATP Köln 2 10/18 10:30 164 [93] James Duckworth v Dennis Novak [94] 4-6,5-7
ATP Köln 2 10/17 09:00 64 [93] James Duckworth v Mischa Zverev [268] 6-3,5-7,6-2
ATP St Petersburg 10/13 14:00 25 [17] Karen Khachanov v James Duckworth [93] 6-4,6-4
French Open 09/28 12:25 23 [58] Tommy Paul v James Duckworth [91] 6-2,6-3,6-2
ATP Róma 09/13 08:00 19 [134] Facundo Bagnis v James Duckworth [84] 7-6,6-1
ATP Róma 09/12 08:00 14 [84] James Duckworth v Yasutaka Uchiyama [86] Retired
ATP Kitzbühel 09/07 12:20 45 Jurij Rodionov v James Duckworth Cancelled
US Open 09/02 00:55 23 [100] Salvatore Caruso v James Duckworth [84] 4-6,7-5,7-5,6-2
UTR Pro Tennis Series Brisbane 08/18 02:30 - James Duckworth v Alexander Crnokrak View
UTR Pro Tennis Series Brisbane 08/17 02:30 - James Duckworth v Dane Sweeny 6-3,6-2
Challenger Bengaluru 02/16 12:30 29 [83] James Duckworth v Benjamin Bonzi [368] 6-4,6-4
Challenger Bengaluru 02/15 08:30 28 [391] Julian Ocleppo v James Duckworth [83] 3-6,2-6
Challenger Bengaluru 02/14 09:55 27 [83] James Duckworth v Thomas Fabbiano [133] 6-7,6-0,6-2
Challenger Bengaluru 02/13 07:00 26 [83] James Duckworth v Frederico Ferreira Silva [193] 7-6,6-1
Challenger Bengaluru 02/12 07:50 25 [83] James Duckworth v Khumoyun Sultanov [306] 6-4,7-6
ATP Pune 02/08 14:50 28 [96] James Duckworth v Egor Gerasimov [90] 6-7,4-6
ATP Pune 02/07 15:20 27 [174] Roberto Marcora v James Duckworth [96] 3-6,6-7
ATP Pune 02/06 10:00 26 [102] Taro Daniel v James Duckworth [96] 7-6,6-7,3-6
ATP Pune 02/04 10:00 25 [106] Peter Gojowczyk v James Duckworth [96] 6-7,4-6

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.