| ITF W25 Nonthaburi | 02/04 03:35 | 44 | Lucrezia Stefanini v Kai-Chen Chang | 7-6,6-4 | |
| ITF W25 Nonthaburi | 02/03 03:30 | 44 | Yatawee Chimcham v Kai-Chen Chang | 1-6,0-6 | |
| ITF W25 Nonthaburi | 02/02 08:20 | 44 | Humera Baharmus v Kai-Chen Chang | 1-6,0-6 | |
| ITF W25 Nonthaburi | 01/30 06:20 | 26 | [332] Kai-Chen Chang v Xinyu Wang [153] | 2-6,5-7 | |
| ITF W25 Nonthaburi | 01/29 07:20 | 25 | Riya Bhatia v Kai-Chen Chang | 2-6,1-6 | |
| ITF W25 Nonthaburi | 01/28 04:35 | 44 | Kai-Chen Chang v Ho Ching Wu | 6-2,6-3 | |
| ITF W25 Nonthaburi | 01/27 06:20 | 44 | Kai-Chen Chang v Yui Chikaraishi | 6-0,6-1 | |
| ITF W25 Nonthaburi | 01/26 09:20 | 44 | [417] Miyabi Inoue v Kai-Chen Chang [332] | 1-6,1-6 | |
| Australian Open Women WC | 12/07 03:00 | 28 | [182] Na-Lae Han v Kai-Chen Chang [337] | 6-0,6-4 | |
| Australian Open Women WC | 12/06 02:00 | 27 | [321] Su Jeong Jang v Kai-Chen Chang [337] | 1-6,5-7 | |
| Australian Open Women WC | 12/04 02:00 | 26 | [345] Ziyue Sun v Kai-Chen Chang [337] | 6-4,4-6,0-6 | |
| Australian Open Women WC | 12/03 02:00 | 164 | Kai-Chen Chang v Xiuyuan Li | 6-0,6-0 | |
| ITF W25 Nonthaburi | 07/23 03:55 | 54 | Kai-Chen Chang v Mananchaya Sawangkaew | 2-6,5-7 | |
| ITF W25 Nonthaburi | 07/22 02:30 | 54 | Kai-Chen Chang v Kwan Yau Ng | 6-3,6-1 | |
| ITF W25 Kashiwa | 04/06 04:15 | 28 | [201] Rebecca Marino v Kai-Chen Chang [424] | 6-4,6-1 | |
| ITF W25 Kashiwa | 04/05 03:40 | 27 | Kai-Chen Chang v Na-Lae Han | 6-2,6-3 | |
| ITF W25 Kashiwa | 04/04 02:15 | 26 | [424] Kai-Chen Chang v Kyoka Okamura [355] | 6-3,6-4 | |
| ITF W25 Kashiwa | 04/03 03:40 | 25 | [207] Kai-Lin Zhang v Kai-Chen Chang [424] | 4-6,2-6 | |
| ITF W25 Kashiwa | 04/02 00:00 | 45 | [348] Xiaodi You v Kai-Chen Chang [424] | 4-6,0-6 | |
| ITF W25 Kashiwa | 04/01 03:00 | 45 | Minami Akiyama v Kai-Chen Chang | 0-6,0-6 | |
| ITF W25 Kofu | 03/28 01:00 | 26 | [420] Kai-Chen Chang v Arina Rodionova [176] | 2-6,6-2,6-7 | |
| ITF W25 Kofu | 03/27 04:10 | 25 | Kai-Chen Chang v Ho Ching Wu | 6-0,6-1 | |
| ITF W25 Kofu | 03/25 05:30 | 45 | [420] Kai-Chen Chang v Yue Yuan [361] | 6-4,6-1 | |
| ITF W25 Kofu | 03/25 02:00 | 45 | Tessah Andrianjafitrimo v Kai-Chen Chang | 4-6,3-6 | |
| ITF W25 Kofu | 03/18 08:00 | 45 | [332] Tessah Andrianjafitrimo v Kai-Chen Chang [417] | 6-4,6-7,10-4 | |
| ITF W25 Kofu | 03/18 03:00 | 45 | Kai-Chen Chang v Abigail Tere-Apisah | 6-4,6-4 | |
| ITF W25 Nishi-Tama | 03/12 01:00 | 45 | [469] Stephanie Wagner v Kai-Chen Chang [417] | 6-2,1-6,10-6 | |
| ITF W25 Nishi-Tama | 03/11 03:00 | 45 | Sumire Ri v Kai-Chen Chang | 0-6,1-6 | |
| ITF W60 Launceston | 02/01 00:00 | 27 | Elena Rybakina v Kai-Chen Chang | 6-2,6-0 | |
| ITF W60 Launceston | 01/30 23:00 | 26 | [391] Kai-Chen Chang v Georgina Garcia-Perez [165] | 6-4,7-6 |