| year | summary | Hard | Clay | I. hard | Carpet | Grass | Acrylic |
| 2018 | 2/9 | 1/6 | 1/3 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2017 | 15/20 | 13/17 | 2/3 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2016 | 18/23 | 15/19 | 0/1 | 3/3 | 0/0 | 0/0 | 0/0 |
| 2015 | 11/16 | 7/12 | 4/4 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2014 | 12/18 | 12/17 | 0/1 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2013 | 1/5 | 1/1 | 0/4 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2012 | 0/2 | 0/0 | 0/2 | 0/0 | 0/0 | 0/0 | 0/0 |
| TOTAL | 59/93 | 49/72 | 7/18 | 3/3 | 0/0 | 0/0 | 0/0 |
| perc. % | 38.82 % | 40.5 % | 28 % | 50 % | 0 % | 0 % | 0 % |
Si Qi Liu / scheduled / last
| no matches found |
Si Qi Liu / last 50 matches
| 20.10.18 | q 1 | Min Liu | Si Qi Liu | 7-5, 6-2 |  | match details |  Nanning | Hard |
| 25.09.18 | 1st round | Hua-Chen Lee | Si Qi Liu | 6-2, 6-3 | | match details | Anning | Clay |
| 19.09.18 | 2nd round | Jiaxi Lu | Si Qi Liu | 6-1, 6-3 | | match details | Anning | Clay |
| 17.09.18 | 1st round | Si Qi Liu | Denglin Li | 6-0, 6-1 |  | match details | ||
| 10.09.18 | 1st round | Meiqi Guo | Si Qi Liu | 6-2, 6-1 | | match details | Anning | Clay |
| 12.08.18 | q 2 | Yanni Liu | Si Qi Liu | 6-3, 6-4 | | match details | Guiyang | Hard |
| 11.08.18 | q 1 | Si Qi Liu | Xue Cao | 7-5, 6-2 | | match details | ||
| 12.05.18 | q 1 | Zhou Mingjun | Si Qi Liu | 6-2, 6-3 | | match details | Wuhan | Hard |
| 07.05.18 | q 2 | Xinyu Jiang | Si Qi Liu | 6-0, 6-4 | | match details | Luan | Hard |
| 31.03.18 | q 1 | Yue Yu (2000) | Si Qi Liu | 7-67, 6-1 | | match details | Nanjing | Hard |
| 24.03.18 | q 1 | Eunhye Lee (2000) | Si Qi Liu | 6-0, 6-1 | | match details | Nanjing | Hard |
| 23.10.17 | q 1 | Yexin Ma | Si Qi Liu | 6-3, 6-4 | | match details | Liuzhou | Hard |
| 16.10.17 | q 1 | Si Qi Liu | Na Norwich | 6-1, 6-1 | | match details | Suzhou | Hard |
| 16.10.17 | q 2 | Kaja Juvan | Si Qi Liu | 6-0, 6-1 | | match details | ||
| 11.09.17 | q 2 | Ziyi Yang | Si Qi Liu | 6-1, 6-2 | | match details | Guiyang | Hard |
| 14.08.17 | q 1 | Watsachol Sawasdee | Si Qi Liu | 6-2, 6-3 | | match details |  Nonthaburi | Hard |
| 08.08.17 | 1st round | Lauren Marker | Si Qi Liu | 6-3, 6-0 | | match details | Nonthaburi | Hard |
| 07.08.17 | qual. | Si Qi Liu | Natasha Palha | 3-6, 7-65, 6-3 | | match details | ||
| 07.08.17 | q 2 | Si Qi Liu | Aastha Dargude | 6-2, 7-66 | | match details | ||
| 17.07.17 | q 1 | Xinyu Jiang | Si Qi Liu | 6-1, 6-1 | | match details | Tianjin | Hard |
| 10.07.17 | q 2 | Jia Qi Ren | Si Qi Liu | 7-5, 1-6, 7-5 | | match details | Naiman | Hard |
| 04.07.17 | 1st round | Dan Ni Wang | Si Qi Liu | 3-6, 6-2, 6-2 | | match details | Anning | Clay |
| 27.06.17 | 1st round | Ling Zhang | Si Qi Liu | 6-3, 6-3 | | match details | Anning | Clay |
| 26.06.17 | q 2 | Si Qi Liu | Wanning Zhu | 6-3, 6-0 | | match details | ||
| 26.06.17 | qual. | Si Qi Liu | Xiao Chen Fu | 3-6, 6-2, 6-2 | | match details | ||
| 21.06.17 | 1st round | Mi Zhuoma You | Si Qi Liu | 6-1, 6-1 | | match details | Anning | Clay |
| 30.05.17 | 1st round | Sofia Shapatava | Si Qi Liu | 6-1, 6-1 | | match details | Wuhan | Hard |
| 22.05.17 | q 1 | Ziyue Sun | Si Qi Liu | 4-6, 6-3, 6-3 | | match details | Luan | Hard |
| 08.05.17 | qual. | Haruka Kaji | Si Qi Liu | 6-2, 7-5 | | match details | Hua Hin | Hard |
| 08.05.17 | q 1 | Si Qi Liu | Julaluck Sae-Eung | 6-2, 6-1 | | match details | ||
| 01.05.17 | q 1 | Si Qi Liu | Lunda Kumhom | 6-1, 7-62 | | match details | Hua Hin | Hard |
| 01.05.17 | qual. | Yukun Zhang | Si Qi Liu | 6-3, 7-5 | | match details | ||
| 24.04.17 | q 1 | Si Qi Liu | Aline Thommen | 6-711, 6-2, 6-3 | | match details | Hua Hin | Hard |
| 24.04.17 | qual. | Wushuang Zheng | Si Qi Liu | 6-0, 6-1 | | match details | ||
| 11.04.17 | 1st round | Ya-Hsuan Lee | Si Qi Liu | 6-2, 6-1 | | match details | Nanning | Hard |
| 10.04.17 | q 1 | Si Qi Liu | Yixuan Li | 6-4, 6-2 | | match details | ||
| 10.04.17 | q 2 | Si Qi Liu | Ashmitha Easwaramurthi | 6-2, 6-3 | | match details | ||
| 10.04.17 | qual. | Si Qi Liu | Jiaxi Lu | 6-1, 1-6, 6-0 | | match details | ||
| 27.03.17 | q 1 | Si Qi Liu | Kexuan Zhou | 6-2, 6-2 | | match details | Quanzhou | Hard |
| 27.03.17 | q 2 | Xinyu Jiang | Si Qi Liu | 7-62, 6-1 | | match details | ||
| 27.02.17 | q 2 | Meng Qin | Si Qi Liu | 6-1, 6-1 | | match details | Nanjing | Hard |
| 20.02.17 | q 2 | Ari Matsumoto | Si Qi Liu | 6-2, 6-3 | | match details | Nanjing | Hard |
| 20.02.17 | q 1 | Si Qi Liu | Wanyuanyun Jin | 6-3, 3-6, 6-1 | | match details | ||
| 13.02.17 | q 1 | Si Qi Liu | Wanning Zhu | 6-0, 6-4 | | match details | Nanjing | Hard |
| 13.02.17 | qual. | Ran Meng | Si Qi Liu | 6-76, 7-5, 6-4 | | match details | ||
| 13.02.17 | q 2 | Si Qi Liu | Pinyi Zuo | 6-3, 6-2 | | match details | ||
| 26.12.16 | q 1 | Si Qi Liu | Jiakang Li | 6-3, 6-1 | | match details |  Hong Kong | Hard |
| 26.12.16 | qual. | Yukun Zhang | Si Qi Liu | 6-1, 6-1 | | match details | ||
| 17.10.16 | q 1 | Si Qi Liu | Wanning Zhu | 6-2, 6-1 | | match details | Suzhou | Hard |
| 17.10.16 | q 2 | Yan Wang | Si Qi Liu | 4-6, 7-5, 6-1 | | match details |