| ITF W100 Incheon | 09/08 04:00 | 29 | [334] Tatiana Prozorova v Xinyu Gao [238] | 6-3,6-0 | |
| ITF W100 Incheon | 09/07 02:00 | 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 - nők | 08/21 15:00 | 15 | [235] Xinyu Gao v Yuliia Starodubtseva [146] | 3-6,6-4,0-6 | |
| US Open - nők | 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 |
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.