| ITF W100 - Incheon | 0-30 | 29 | [334] Tatiana Prozorova vs Xinyu Gao [238] | 3-1 |
| ITF W100 - Incheon | 09/07 01:50 | 28 | [238] Xinyu Gao v Aoi Ito [230] | 6-4,6-4 | |
| ITF W100 - Incheon | 09/06 04:00 | 27 | [325] Hina Inoue v Xinyu Gao [238] | 1-6,3-6 | |
| ITF W100 - Incheon | 09/05 02:00 | 26 | [268] Haruka Kaji v Xinyu Gao [238] | 1-6,4-6 | |
| ITF W100 - Incheon | 09/03 02:00 | 25 | [238] Xinyu Gao v Talia Gibson [170] | 6-4,6-3 | |
| US Open - Kvinder | 08/21 15:00 | 15 | [235] Xinyu Gao v Yuliia Starodubtseva [146] | 3-6,6-4,0-6 | |
| US Open - Kvinder | 08/19 19:00 | 14 | [111] Olga Danilovic v Xinyu Gao [224] | 6-4,4-6,4-6 | |
| WTA - Barranquilla | 08/15 02:35 | 26 | [224] Xinyu Gao v Nadia Podoroska [88] | Retired | |
| WTA - Barranquilla | 08/12 20:05 | 25 | [224] Carole Monnet v Xinyu Gao [191] | 6-2,6-7,5-7 | |
| WTA - Contrexeville | 07/13 12:00 | 28 | [187] Xinyu Gao v Lucia Bronzetti [81] | 2-6,1-6 | |
| WTA - Contrexeville | 07/12 09:00 | 27 | [244] Margaux Rouvroy v Xinyu Gao [187] | 4-6,5-7 | |
| WTA - Contrexeville | 07/11 11:30 | 26 | [187] Xinyu Gao v Laura Pigossi [110] | 6-2,5-7,6-2 | |
| WTA - Contrexeville | 07/09 09:00 | 25 | [275] Lola Radivojevic v Xinyu Gao [187] | 0-6,4-6 |
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. 164, achieved on 15 July 2024. On 11 September 2017, she peaked at No. 230 in the doubles ranking. Gao has won 15 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.