ATP Kolín nad Rýnem 2 10/18 10:30 164 [93] James Duckworth v Dennis Novak [94] 4-6,5-7
ATP Kolín nad Rýnem 2 10/17 09:00 64 [93] James Duckworth v Mischa Zverev [268] 6-3,5-7,6-2
ATP Petrohrad 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 Řím 09/13 08:00 19 [134] Facundo Bagnis v James Duckworth [84] 7-6,6-1
ATP Řím 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 Bengalúru 02/16 12:30 29 [83] James Duckworth v Benjamin Bonzi [368] 6-4,6-4
Challenger Bengalúru 02/15 08:30 28 [391] Julian Ocleppo v James Duckworth [83] 3-6,2-6
Challenger Bengalúru 02/14 09:55 27 [83] James Duckworth v Thomas Fabbiano [133] 6-7,6-0,6-2
Challenger Bengalúru 02/13 07:00 26 [83] James Duckworth v Frederico Ferreira Silva [193] 7-6,6-1
Challenger Bengalúru 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
Australian Open 01/21 03:30 23 [94] James Duckworth v Aljaz Bedene [55] 4-6,7-6,7-6,2-6,4-6
ATP Adelaide 01/15 08:00 26 [96] James Duckworth v Felix Auger Aliassime [22] 3-6,6-7
ATP Adelaide 01/13 08:00 25 [74] Federico Delbonis v James Duckworth [96] 4-6,4-6
Challenger Pune 11/17 09:30 29 [170] Jay Clarke v James Duckworth [111] 6-4,4-6,4-6
Challenger Pune 11/16 09:05 28 [190] Ramkumar Ramanathan v James Duckworth [111] 6-7,2-6
Challenger Pune 11/15 12:15 27 [250] Sasikumar Mukund v James Duckworth [111] 5-7,6-4,5-7
Challenger Pune 11/14 06:30 26 Manish Sureshkumar v James Duckworth 1-6,2-6
Challenger Pune 11/12 12:30 25 Danylo Kalenichenko v James Duckworth 3-6,6-7
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

James Duckworth (* 21. ledna 1992, Sydney) je australský profesionální tenista. Ve své dosavadní kariéře na okruhu ATP Tour nevyhrál žádný turnaj. Na challengerech ATP a okruhu ITF získal devatenáct titulů ve dvouhře a jeden ve čtyřhře.

Na žebříčku ATP byl nejvýše ve dvouhře klasifikován v lednu 2022 na 46. místě a ve čtyřhře v únoru 2020 na 185. místě. Trénuje jej Mark Draper.