France: French Open - Singles - Qualification |
| Quarter-finals | Duckworth J. | Janvier M. | 0:2 (3:6, 1:6) | details | 21.05.2024 |
Taiwan: Taipei - Singles - Main |
| Semi-finals | Walton A. | Duckworth J. | 2:1 (3:6, 7:64, 6:2) | details | 17.05.2024 |
| Quarter-finals | Fery A. | Duckworth J. | 0:2 (5:7, 5:7) | details | 16.05.2024 |
| 1/8-finals | Ramanathan R. | Duckworth J. | 0:2 (4:6, 62:7) | details | 15.05.2024 |
| 1/16-finals | Sasikumar M. | Duckworth J. | 0:2 (3:6, 4:6) | details | 14.05.2024 |
China: Wuxi - Singles - Main |
| 1/16-finals | Sekulic P. | Duckworth J. | CAN. | details | 06.05.2024 |
China: Guangzhou - Singles - Main |
| Quarter-finals | Bu Y. | Duckworth J. | 2:0 (7:64, 6:3) | details | 04.05.2024 |
| 1/8-finals | Berankis R. | Duckworth J. | 0:2 (1:6, 1:6) | details | 01.05.2024 |
| 1/16-finals | Sweeny D. | Duckworth J. | 1:2 (6:0, 3:6, 2:6) | details | 30.04.2024 |
China: Shenzhen 3 - Singles - Main |
| Final | Duckworth J. | Harris L. | 0:2 (3:6, 3:6) | details | 28.04.2024 |
| Semi-finals | Duckworth J. | Bertola R. | 2:0 (6:3, 6:2) | details | 27.04.2024 |
| Quarter-finals | Duckworth J. | Bellucci M. | 2:1 (4:6, 6:3, 7:64) | details | 26.04.2024 |
| 1/8-finals | Duckworth J. | Escoffier A. | 2:0 (6:4, 6:3) | details | 25.04.2024 |
| 1/16-finals | Duckworth J. | Te R. | 2:0 (7:5, 6:2) | details | 23.04.2024 |
South Korea: Gwangju - Singles - Main |
| 1/16-finals | Duckworth J. | Hsu Y. H. | 1:2 (3:6, 7:66, 1:6) | details | 16.04.2024 |
South Korea: Busan - Singles - Main |
| Semi-finals | Duckworth J. | Uchiyama Y. | 1:2 (3:6, 6:4, 64:7) | details | 13.04.2024 |
| Quarter-finals | Duckworth J. | Marchenko I. | 2:1 (7:65, 3:6, 6:3) | details | 12.04.2024 |
| 1/8-finals | Duckworth J. | Fery A. | 2:1 (4:6, 6:1, 6:4) | details | 10.04.2024 |
| 1/16-finals | Duckworth J. | Roh H. | 2:0 (6:3, 6:3) | details | 09.04.2024 |
USA: Houston - Singles - Main |
| 1/8-finals | Duckworth J. | Tiafoe F. | 1:2 (2:6, 7:64, 5:7) | details | 05.04.2024 |
| 1/16-finals | Brouwer G. | Duckworth J. | 0:2 (3:6, 3:6) | details | 02.04.2024 |
Mexico: San Luis Potosi - Singles - Main |
| 1/8-finals | Galarneau A. | Duckworth J. | 2:1 (7:61, 3:6, 6:1) | details | 29.03.2024 |
| 1/16-finals | Zhukayev B. | Duckworth J. | 0:2 (64:7, 64:7) | details | 27.03.2024 |
Mexico: Acapulco - Singles - Qualification |
| Semi-finals | Svajda Z. | Duckworth J. | 1:0 RET. (6:3, 1:1) | details | 25.02.2024 |
USA: Delray Beach - Singles - Main |
| 1/16-finals | Duckworth J. | Daniel T. | CAN. | details | 13.02.2024 |
USA: Dallas - Singles - Main |
| Quarter-finals | Mannarino A. | Duckworth J. | 1:0 RET. (6:2, 3:1) | details | 10.02.2024 |
| 1/8-finals | Duckworth J. | Eubanks C. | 2:0 (7:63, 6:4) | details | 07.02.2024 |
| 1/16-finals | Duckworth J. | Svajda Z. | 2:0 (7:63, 6:1) | details | 06.02.2024 |
USA: Cleveland - Singles - Main |
| Semi-finals | Duckworth J. | Kypson P. | 0:2 (3:6, 61:7) | details | 03.02.2024 |
| Quarter-finals | Duckworth J. | Vandecasteele Q. | 2:0 (6:3, 7:5) | details | 03.02.2024 |
| 1/8-finals | Duckworth J. | Maloney P. | 2:0 (6:4, 6:3) | details | 31.01.2024 |
| 1/16-finals | Duckworth J. | Kodat T. | 2:0 (6:3, 6:0) | details | 29.01.2024 |
Australia: Australian Open - Singles - Main |
| 1/64-finals | Duckworth J. | van Assche L. | 2:3 (7:62, 3:6, 6:3, 3:6, 3:6) | details | 15.01.2024 |
Australia: Brisbane - Singles - Main |
| Quarter-finals | Rune H. | Duckworth J. | 2:0 (6:2, 7:66) | details | 05.01.2024 |
| 1/8-finals | Duckworth J. | Hanfmann Y. | 2:1 (4:6, 6:1, 7:62) | details | 03.01.2024 |
| 1/16-finals | Wolf J.J. | Duckworth J. | 0:2 (3:6, 4:6) | details | 02.01.2024 |
Australia: Brisbane - Singles - Qualification |
| Final | Barrere G. | Duckworth J. | 0:2 (1:6, 62:7) | details | 31.12.2023 |
| Semi-finals | Sekulic P. | Duckworth J. | 0:2 (65:7, 4:6) | details | 30.12.2023 |
Japan: Yokohama - Singles - Main |
| 1/8-finals | Wong C. | Duckworth J. | WO. | details | 23.11.2023 |
| 1/16-finals | Kolar Z. | Duckworth J. | 1:2 (2:6, 7:64, 2:6) | details | 22.11.2023 |
Canada: Drummondville - Singles - Main |
| Final | Bergs Z. | Duckworth J. | 2:0 (6:4, 7:5) | details | 19.11.2023 |
| Semi-finals | Tu L. | Duckworth J. | 0:2 (4:6, 3:6) | details | 18.11.2023 |
| Quarter-finals | Peniston R. | Duckworth J. | 1:2 (6:4, 3:6, 4:6) | details | 17.11.2023 |
| 1/8-finals | Kwiatkowski T. S. | Duckworth J. | 1:2 (1:6, 7:63, 3:6) | details | 16.11.2023 |
| 1/16-finals | Kingsley C. | Duckworth J. | 1:2 (5:7, 7:62, 65:7) | details | 14.11.2023 |