26.09.21 | q 1 | Martin Katz | Jiaqi Duan | 6-4, 6-3 | | match details | M15 Monastir | Hard |
20.09.21 | q 2 | Nicolo Pozzani | Jiaqi Duan | 6-1, 6-4 | | match details | M15 Monastir | Hard |
19.09.21 | q 1 | Jiaqi Duan | Edoardo Lodovico Cattaneo | 6-0, 6-4 | | match details |
13.09.21 | q 2 | Vivien Versier | Jiaqi Duan | 6-71, 7-5, 10-6 | | match details | M15 Monastir | Hard |
12.09.21 | q 1 | Jiaqi Duan | Sami Stracquadanio | 6-1, 6-0 | | match details |
06.09.21 | q 2 | Michael Zhu | Jiaqi Duan | 6-4, 6-3 | | match details | M15 Monastir | Hard |
05.09.21 | q 1 | Jiaqi Duan | Leith Ben Chiekh | 6-1, 6-1 | | match details |
29.08.21 | q 1 | Kyle Seelig | Jiaqi Duan | 6-2, 6-2 | | match details | M15 Monastir | Hard |
08.03.20 | q 1 | Juan Ignacio Alcalde | Jiaqi Duan | 7-5, 4-6, 10-7 | | match details | M15 Antalya | Clay |
03.03.20 | qual. | Tim Riedel | Jiaqi Duan | 6-2, 3-6, 10-7 | | match details | M15 Antalya | Clay |
02.03.20 | q 2 | Jiaqi Duan | Berk Ilkel | 6-3, 4-6, 10-7 | | match details |
01.03.20 | q 1 | Jiaqi Duan | Tejas Jagani | 6-0, 6-1 | | match details |
23.02.20 | q 1 | Alessandro Ingarao | Jiaqi Duan | 6-0, 6-0 | | match details | M25 Antalya | Clay |
29.10.19 | 1st round | Tsung-Hua Yang | Jiaqi Duan | 6-3, 6-1 | | match details | Shenzhen Challenger | Hard |
28.10.19 | qual. | Jiaqi Duan | Toshihide Matsui | 7-5, 4-1, Toshihide Matsui - retired | | match details |
21.10.19 | qual. | Toshihide Matsui | Jiaqi Duan | 6-1, 6-2 | | match details | Liuzhou Challenger | Hard |
29.09.19 | q 1 | Hao Wu | Jiaqi Duan | 7-5, 6-0 | | match details | M15 Nanchang | Clay |
20.08.19 | 1st round | Jonathan Gray | Jiaqi Duan | 7-62, 6-2 | | match details | M15 Jakarta | Hard |
12.08.19 | q 1 | Dusty H. Boyer | Jiaqi Duan | 6-2, 6-3 | | match details | M15 Jakarta | Hard |
17.06.19 | q 1 | Garrett Johns | Jiaqi Duan | 6-3, 7-62 | | match details | M25 Hengyang | Hard |
12.06.19 | 1st round | Luca Castelnuovo | Jiaqi Duan | 3-6, 6-1, 6-2 | | match details | M25 Shenzhen | Hard |
08.07.18 | q 2 | Shi Hong Zeng | Jiaqi Duan | 6-2, 6-1 | | match details | China F10 | Hard |
07.07.18 | q 1 | Jiaqi Duan | Le Tian Wang | 6-0, 6-0 | | match details |
30.06.18 | q 1 | David Barclay | Jiaqi Duan | 6-1, 6-4 | | match details | China F9 | Hard |
30.10.17 | | Aljaz Jakob Kaplja | Jiaqi Duan | 7-5, 6-1 | | match details | USA F35 | Clay |
21.06.17 | 1st round | Skyler Butts | Jiaqi Duan | 3-6, 6-1, 6-4 | | match details | Hong Kong | Hard |
19.06.17 | q 1 | Jiaqi Duan | Ching Yeung Michael Tam | 6-73, 6-1, 6-2 | | match details |
19.06.17 | qual. | Jiaqi Duan | Joan Tsonev | Joan Tsonev - walk over | | match details |
29.05.17 | q 1 | Jiaqi Duan | Zhengan Sun | 6-0, 6-0 | | match details | China F9 | Hard |
29.05.17 | q 2 | Olly Sadler | Jiaqi Duan | 2-6, 6-4, Jiaqi Duan - retired | | match details |
22.05.17 | q 1 | Bu Yunchaokete | Jiaqi Duan | 4-6, 4-0, Jiaqi Duan - retired | | match details | China F8 | Hard |
31.10.16 | | Christopher Morin Kougoucheff | Jiaqi Duan | 6-1, 6-1 | | match details | USA F35 | Clay |
18.07.16 | q 2 | Mitchell William Robins | Jiaqi Duan | 6-4, 6-1 | | match details | China F13 | Clay |
12.07.16 | 1st round | Seungri Choi | Jiaqi Duan | 6-76, 6-0, 6-0 | | match details | China F12 | Clay |
04.07.16 | q 1 | Jiaqi Duan | Qing-Nan Liang | 6-2, 6-2 | | match details | China F11 | Clay |
04.07.16 | q 2 | Liran Chen | Jiaqi Duan | 4-6, 6-3, 6-4 | | match details |
28.06.16 | 1st round | Zihao Xia | Jiaqi Duan | 6-2, 4-6, 6-3 | | match details | China F10 | Hard |
30.05.16 | q 1 | Yuchen Wu (2000) | Jiaqi Duan | 6-3, Jiaqi Duan - retired | | match details | China F9 | Hard |
24.05.16 | 1st round | Shi Hong Zeng | Jiaqi Duan | 6-4, 6-4 | | match details | China F8 | Hard |
16.05.16 | q 1 | Connor Farren | Jiaqi Duan | 6-3, 6-1 | | match details | China F7 | Hard |
09.05.16 | q 2 | Yusuke Takahashi | Jiaqi Duan | 6-2, 6-0 | | match details | China F6 | Hard |
09.05.16 | q 1 | Jiaqi Duan | Ruiyang Feng | 6-4, 6-3 | | match details |
17.04.16 | q 2 | Daniel Masur | Jiaqi Duan | 6-1, 6-2 | | match details | Nanjing Challenger | Clay |
17.04.16 | q 1 | Jiaqi Duan | Sheng Tang | 6-4, 4-6, 6-4 | | match details |
11.04.16 | q 1 | Zihao Xia | Jiaqi Duan | 6-3, Jiaqi Duan - retired | | match details | China F5 | Hard |
13.03.16 | q 1 | Jimmy Wang | Jiaqi Duan | 6-2, 6-1 | | match details | Guangzhou Challenger | Hard |
01.03.16 | 1st round | Sami Reinwein | Jiaqi Duan | 6-76, 7-64, 6-1 | | match details | China F3 | Clay |
22.02.16 | 1st round | Arata Onozawa | Jiaqi Duan | 7-63, 6-3 | | match details | China F2 | Clay |
15.02.16 | q 1 | Jiaqi Duan | Zhicheng Zhu | 6-0, 6-4 | | match details | China F1 | Clay |
15.02.16 | q 2 | Su Hao Zhong | Jiaqi Duan | 6-1, 7-64 | | match details |