| ITF W100苏州 | 10/16 02:00 | 25 | [145] 奈良久留美 v 高馨妤 [466] | 6-2,6-4 | |
| WTA天津 | 10/06 05:05 | 46 | [493] 高馨妤 v 王欣瑜 [162] | 3-6,4-6 | |
| WTA天津 | 10/05 06:40 | 45 | 高馨妤 v 白卓轩 | 6-3,6-1 | |
| WTA 北京 | 09/27 04:40 | 45 | [493] 高馨妤 v 凯特琳娜•库兹罗娃 [77] | 3-6,1-6 | |
| WTA南昌 | 09/10 07:00 | 25 | [496] 高馨妤 v 王欣瑜 [176] | 7-5,0-6,5-7 | |
| ITF W60长沙 | 09/06 02:35 | 27 | 尼娜•斯托亚诺维奇 v 高馨妤 | 6-1,6-1 | |
| ITF W60长沙 | 09/05 06:15 | 26 | Chengyiyi Yuan v 高馨妤 | 4-6,3-6 | |
| ITF W60长沙 | 09/04 02:00 | 25 | 高馨妤 v Chihiro Muramatsu | 6-2,6-3 | |
| ITF W60济南 | 08/26 09:15 | 54 | 郭涵煜 v 高馨妤 | 6-2,6-3 | |
| ITF W25曲靖 | 07/17 04:30 | 25 | [488] 高馨妤 v 普利普耶荷 [265] | 2-6,2-6 | |
| ITF W25曲靖 | 07/16 03:30 | 54 | 高馨妤 v Kanako Osafune | 6-4,6-3 | |
| ITF W25天津 | 07/05 02:30 | 27 | 高馨妤 v 阿纳斯塔西亚•戈萨诺娃 | 弃权 | |
| ITF W25天津 | 07/04 02:00 | 26 | Ziyue Sun v 高馨妤 | 3-6,7-5,6-7 | |
| ITF W25天津 | 07/03 05:30 | 25 | 高馨妤 v 齐佳甜 | 6-7,6-4,6-2 | |
| ITF W25乃蛮 | 06/30 02:00 | 29 | 高馨妤 v 尤晓迪 | 3-6,3-6 | |
| ITF W25乃蛮 | 06/29 03:45 | 28 | 亚历山德里娜•纳德诺娃 v 高馨妤 | 1-6,6-4,4-6 | |
| ITF W25乃蛮 | 06/28 03:30 | 27 | 阿纳斯塔西亚•戈萨诺娃 v 高馨妤 | 3-6,4-6 | |
| ITF W25乃蛮 | 06/27 03:15 | 26 | 高馨妤 v 袁悦 | 6-4,4-6,6-3 | |
| ITF W25乃蛮 | 06/26 04:05 | 25 | 高馨妤 v Mei Xu Wu | 6-3,6-4 | |
| ITF W25衡阳 | 06/13 05:00 | 26 | 高馨妤 v 王欣瑜 | 2-6,2-6 | |
| ITF W25衡阳 | 06/12 09:30 | 25 | 胡何清 v 高馨妤 | 6-2,5-7,3-6 | |
| ITF W25衡阳 | 06/11 02:30 | 54 | 丰硕 v 高馨妤 | 弃权 | |
| ITF W25衡阳 | 06/10 05:00 | 54 | Mingjun Zhou v 高馨妤 | 5-7,2-6 | |
| ITF W25深圳 | 06/03 07:10 | 54 | 陈佳慧 v 高馨妤 | 7-5,6-3 | |
| ITF W25泸州 | 05/29 03:45 | 25 | 亚历山德里娜•纳德诺娃 v 高馨妤 | 6-1,6-0 | |
| ITF W25泸州 | 05/28 02:00 | 54 | 高馨妤 v Rouli Ye | 6-1,6-1 | |
| WTA安宁 | 04/24 02:30 | 25 | 梁恩硕 v 高馨妤 | 6-2,6-3 | |
| ITF W60深圳 | 03/12 03:35 | 45 | 京花冈村 v 高馨妤 | 7-5,6-2 | |
| ITF W60深圳 | 03/11 03:40 | 45 | 高馨妤 v 王美玲 | 4-6,6-2,10-5 | |
| ITF南宁 女子 | 10/25 04:10 | 26 | 韩馨蕴 v 高馨妤 | 弃权 |
Gao Xinyu (Chinese: 高馨妤; pinyin: Gāo Xīnyú; Mandarin pronunciation: [káʊ ɕín y̌]; born 21 November 1997) is a Chinese tennis player.
Gao has a career-high singles ranking of world No. 181, achieved on 31 July 2017. On 11 September 2017, she peaked at No. 230 in the doubles ranking. Gao has won 13 singles titles and six doubles titles on the ITF Women's Circuit.
In 2016, she made her WTA Tour main-draw debut at the Tianjin Open, where she was given a wildcard with Zhang Ying. The pair won their first round, defeating Han Xinyun and Zhang Kailin. They fell in the quarterfinals to second seeds Lara Arruabarrena and Oksana Kalashnikova.