| US Open Women | 08/20 22:20 | 44 | [118] Varvara Lepchenko v Zhang, Kai Lin [219] | 4-6,6-1,6-4 | |
| Concord, Singles W-ITF-USA-31B | 08/12 16:20 | 54 | Papikian, Theresa v Zhang, Kai Lin | Cancelled | |
| Ulanqab, Singles W-ITF-CHN-14A | 07/11 02:00 | 26 | [199] Zhang, Kai Lin v Kyoka Okamura [310] | Retired | |
| Ulanqab, Singles W-ITF-CHN-14A | 07/09 04:10 | 25 | Zhang, Kai Lin v Cao, Yueliang | 6-1,6-3 | |
| WTA Nottingham | 06/09 09:30 | 45 | [204] Zhang, Kai Lin v Ankita Raina [170] | Retired | |
| ITF W25 Grado | 05/31 17:20 | 27 | [186] Di Giuseppe, Martina v Zhang, Kai Lin [204] | 7-6,4-6,6-3 | |
| ITF W25 Grado | 05/31 13:50 | 26 | [425] Lucia Bronzetti v Zhang, Kai Lin [204] | 3-6,4-6 | |
| ITF W25 Grado | 05/30 11:40 | 25 | Pantuckova, Gabriela v Zhang, Kai Lin | 1-6,1-6 | |
| French Open Women | 05/23 08:00 | 45 | [83] Bernarda Pera v Zhang, Kai Lin [185] | 6-4,6-4 | |
| French Open Women | 05/21 16:15 | 44 | [185] Zhang, Kai Lin v Mrdeza, Tereza [188] | 6-4,6-2 | |
| Gifu, Singles W-ITF-JPN-09A | 04/30 02:40 | 25 | [94] Lin Zhu v Zhang, Kai Lin [191] | 4-6,6-4,7-5 | |
| WTA Anning | 04/26 06:05 | 27 | [209] Zhang, Kai Lin v En Shuo Liang [228] | Retired | |
| WTA Anning | 04/25 04:45 | 26 | [178] Ankita Raina v Zhang, Kai Lin [209] | 6-1,6-7,6-7 | |
| WTA Anning | 04/22 04:40 | 25 | [208] Zhang, Kai Lin v Hiroko Kuwata [241] | 7-6,6-3 | |
| Kashiwa, Qualifications Simples W-ITF-JPN-07A | 04/03 03:40 | 25 | [207] Zhang, Kai Lin v Chang, Kai-Chen [424] | 4-6,2-6 | |
| Kofu, Qualifications Simples W-ITF-JPN-05A | 03/26 02:35 | 25 | [206] Zhang, Kai Lin v Stephanie Wagner [472] | 2-6,5-7 | |
| Nishi-Tama, Simples W-ITF-JPN-04A | 03/13 02:15 | 25 | [214] Zhang, Kai Lin v Gleason, Quinn [374] | 4-6,6-3,3-6 | |
| ITF W25 Yokohama | 03/06 06:35 | 25 | [431] Akiko Omae v Zhang, Kai Lin [214] | Retired | |
| Osaka, Singles W-ITF-JPN-02A | 03/02 03:45 | 28 | [108] Jorovic, Ivana v Zhang, Kai Lin [216] | 4-6,6-3,6-4 | |
| Osaka, Singles W-ITF-JPN-02A | 03/02 01:00 | 27 | [173] Fangzhou Liu v Zhang, Kai Lin [216] | 6-3,3-6,4-6 | |
| Osaka, Singles W-ITF-JPN-02A | 03/01 01:00 | 26 | [216] Zhang, Kai Lin v Na-Lae Han [199] | 7-5,6-2 | |
| Osaka, Singles W-ITF-JPN-02A | 02/27 01:00 | 25 | [273] Myers, Abbie v Zhang, Kai Lin [216] | 2-6,3-6 | |
| ITF W60 Kyoto | 02/24 03:30 | 29 | [243] Zhang, Kai Lin v Ylena In-Albon [241] | 2-6,3-6 | |
| ITF W60 Kyoto | 02/23 04:10 | 28 | [124] Nao Hibino v Zhang, Kai Lin [243] | 2-6,4-6 | |
| ITF W60 Kyoto | 02/22 02:00 | 27 | [327] Imanishi, Miharu v Zhang, Kai Lin [243] | 6-2,4-6,2-6 | |
| ITF W60 Kyoto | 02/21 04:00 | 26 | [252] Momoko Kobori v Zhang, Kai Lin [243] | 2-6,4-6 | |
| ITF W60 Kyoto | 02/19 05:40 | 25 | [268] Minokoshi, Mai v Zhang, Kai Lin [243] | 6-4,0-6,2-6 | |
| Singapour, Simples W-ITF-SGP-04A | 01/26 02:00 | 28 | [253] Zhang, Kai Lin v Lin Zhu [118] | Retired | |
| Singapour, Simples W-ITF-SGP-04A | 01/25 02:00 | 27 | [253] Zhang, Kai Lin v Haas, Barbara [187] | 7-6,6-2 | |
| Singapour, Simples W-ITF-SGP-04A | 01/24 04:15 | 26 | [217] Mrdeza, Tereza v Zhang, Kai Lin [253] | 4-6,2-6 |