| year | summary | Hard | Clay | I. hard | Carpet | Grass | Acrylic |
| 2019 | 0/8 | 0/4 | 0/3 | 0/1 | 0/0 | 0/0 | 0/0 |
| 2018 | 2/13 | 1/9 | 1/4 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2017 | 8/12 | 6/9 | 2/3 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2016 | 2/4 | 0/1 | 2/3 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2015 | 10/12 | 10/9 | 0/3 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2014 | 6/14 | 6/13 | 0/0 | 0/1 | 0/0 | 0/0 | 0/0 |
| 2013 | 0/1 | 0/1 | 0/0 | 0/0 | 0/0 | 0/0 | 0/0 |
| TOTAL | 28/64 | 23/46 | 5/16 | 0/2 | 0/0 | 0/0 | 0/0 |
| perc. % | 30.43 % | 33.33 % | 23.81 % | 0 % | 0 % | 0 % | 0 % |
Tianjia Guo / scheduled / last
| no matches found |
Tianjia Guo form / year 2018 / surface: Hard
Tianjia Guo / year 2018 / surface: Hard
| 06.10.18 | q 1 | Shunrou Takeshima | Tianjia Guo | 6-1, 6-1 |  | match details |  Thailand F6 | Hard |
| 29.09.18 | q 1 | Kousuke Ogura | Tianjia Guo | 4-6, 6-2, 6-3 | | match details | Thailand F5 | Hard |
| 22.09.18 | q 1 | Suthinan Tanthaseraneewat | Tianjia Guo | 6-4, 6-1 | | match details | Thailand F4 | Hard |
| 07.07.18 | q 1 | Owen Lu | Tianjia Guo | 3-6, 6-2, 6-4 | | match details |  China F10 | Hard |
| 28.05.18 | 1st round | Natthasith Kunsuwan | Tianjia Guo | 6-1, 6-3 | | match details | China F7 | Hard |
| 27.05.18 | qual. | Jianhui Li | Tianjia Guo | 6-1, 6-2 | | match details | ||
| 26.05.18 | q 2 | Tianjia Guo | Ritesh Dubey | 6-0, 6-0 |  | match details | ||
| 13.05.18 | q 2 | Xinmu Zhou | Tianjia Guo | 6-2, 6-2 | | match details | China F6 | Hard |
| 05.05.18 | q 1 | Cameron Lickle | Tianjia Guo | 6-1, 6-3 | | match details | China F5 | Hard |
| 29.04.18 | 1st round | Zihao Xia | Tianjia Guo | 6-0, 6-0 | | match details | China F4 | Hard |