| Challenger Nottingham | 06/13 11:30 | 25 | [176] Juncheng Shang v Constant Lestienne [67] | 7-6,4-6,6-4 | |
| Challenger Nottingham | 06/12 10:00 | 19 | [176] Juncheng Shang v Stuart Parker [427] | 7-6,1-6,7-6 | |
| Challenger Nottingham | 06/11 14:20 | 45 | [200] Juncheng Shang v Billy Harris [355] | 6-3,6-3 | |
| Challenger Surbiton | 06/04 13:10 | 14 | [200] Juncheng Shang v Billy Harris [355] | 5-7,5-7 | |
| French Open | 05/29 09:00 | 23 | [200] Juncheng Shang v Juan Pablo Varillas [94] | 6-4,6-2,2-6,3-6,1-6 | |
| French Open | 05/25 11:05 | 19 | [259] Renzo Olivo v Juncheng Shang [200] | 3-6,6-2,3-6 | |
| French Open | 05/24 10:35 | 15 | [200] Juncheng Shang v Fabian Marozsan [115] | 6-3,6-3 | |
| French Open | 05/22 09:50 | 14 | Juncheng Shang v Pablo Cuevas | 6-3,6-4 | |
| Challenger Sarasota | 04/11 23:05 | 25 | [92] Daniel Elahi Galan v Juncheng Shang [182] | 6-3,6-2 | |
| ATP Houston | 04/01 17:55 | 14 | [181] Juncheng Shang v Felipe Meligeni Rodrigues Alves [164] | Retired | |
| ATP Miami | 03/23 16:20 | 23 | [62] Adrian Mannarino v Juncheng Shang [181] | 1-6,6-4,6-2 | |
| ATP Indian Wells | 03/07 23:25 | 19 | [93] Zhizhen Zhang v Juncheng Shang [171] | 6-7,6-3,7-6 | |
| ATP Indian Wells | 03/07 01:55 | 44 | [171] Juncheng Shang v Yosuke Watanuki [122] | 7-6,7-6 | |
| ATP Dallas | 02/05 18:35 | 14 | [167] Juncheng Shang v Elmar Ejupovic [313] | 7-6,6-7,1-6 | |
| Ausztrál Open | 01/18 04:25 | 24 | [194] Juncheng Shang v Frances Tiafoe [17] | 4-6,4-6,1-6 | |
| Ausztrál Open | 01/16 00:00 | 23 | [74] Oscar Otte v Juncheng Shang [194] | 2-6,4-6,7-6,5-7 | |
| Ausztrál Open | 01/12 05:20 | 19 | [194] Juncheng Shang v Zsombor Piros [171] | 6-3,6-4 | |
| Ausztrál Open | 01/11 08:25 | 15 | [125] Fernando Verdasco v Juncheng Shang [194] | 3-6,6-2,4-6 | |
| Ausztrál Open | 01/10 03:45 | 14 | [175] Fabian Marozsan v Juncheng Shang [194] | 4-6,6-7 | |
| Challenger Canberra | 12/31 23:00 | 45 | [227] Gabriel Diallo v Juncheng Shang [192] | 6-3,7-6 | |
| Challenger Champaign | 11/15 16:00 | 25 | [459] Strong Kirchheimer v Juncheng Shang [187] | 7-6,6-4 | |
| Challenger Knoxville | 11/07 23:55 | 25 | [309] Lucas Gerch v Juncheng Shang [184] | 6-4,7-6 | |
| Challenger Charlottesville | 11/04 16:00 | 27 | [135] Christopher Eubanks v Juncheng Shang [195] | 4-6,6-1,7-6 | |
| Challenger Charlottesville | 11/03 17:00 | 26 | [389] Edan Leshem v Juncheng Shang [195] | 6-1,3-6,2-6 | |
| Challenger Charlottesville | 11/01 14:00 | 25 | [195] Juncheng Shang v Juan P Ficovich [139] | 6-4,3-6,6-3 | |
| Challenger Las Vegas | 10/29 18:00 | 28 | [202] Juncheng Shang v Tennys Sandgren [444] | 3-6,6-7 | |
| Challenger Las Vegas | 10/28 20:25 | 27 | [202] Juncheng Shang v Ernesto Escobedo [224] | 6-4,3-6,6-3 | |
| Challenger Las Vegas | 10/27 21:35 | 26 | [313] Alfredo Perez v Juncheng Shang [202] | 6-7,6-4,3-6 | |
| Challenger Las Vegas | 10/25 21:30 | 25 | [202] Juncheng Shang v Alexandr Cozbinov [370] | 6-4,3-6,6-3 | |
| Challenger Fairfield | 10/14 19:20 | 27 | [206] Juncheng Shang v Michael Mmoh [133] | 3-6,1-6 |