Stadium: Court 1 Round: 25 Ground: Clay
| ITF M15 Nanchang | 2019/09/15 02:00 | Tianjia Guo v Jianhui Li | 1-6,1-6 |
| ITF M25 Qujing | 2019/07/08 02:00 | Lukas Krainer v Tianjia Guo | 6-1,6-2 |
| ITF M25 Shenzhen | 2019/06/10 01:00 | Tianjia Guo v Yu Hsiang Chiu | 3-6,0-6 |
| ITF - M25 Luzhou | 2019/05/27 06:25 | Tianjia Guo v Sheng Tang | 4-6,0-6 |
| ITF - M25 Luan | 2019/05/14 04:35 | Tianjia Guo v Yecong He | 0-6,1-6 |
| ITF M15 Wuhan | 2019/04/29 03:20 | Shi Hong Zeng v Tianjia Guo | 6-3,0-6,10-1 |
| ITF M15 Anning | 2019/01/08 04:20 | Kazuki Nishiwaki v Tianjia Guo | 6-1,6-1 |
| ITF Thailand F6 | 2018/10/06 05:30 | Shunrou Takeshima v Tianjia Guo | 6-1,6-1 |
| ITF M15 Nanchang | 2019/09/27 04:10 | Taisei Ichikawa v Takashi Saito | 4-6,6-2,3-6 |
| ITF M15 Nanchang | 2019/09/24 04:00 | Taisei Ichikawa v Oleg Khotkov | 6-3,7-6 |
| ITF - M15 Hua Hin | 2019/09/04 03:00 | Taisei Ichikawa v Soichiro Moritani | 2-6,3-6 |
| ITF - M15 Hua Hin | 2019/08/28 03:00 | Seong Chan Hong v Taisei Ichikawa | 6-4,6-3 |
| ITF - M15 Hua Hin | 2019/08/22 04:25 | Taisei Ichikawa v Yu Hsiou Hsu | 6-2,2-6,3-6 |
| ITF - M15 Hua Hin | 2019/08/21 03:00 | Taisei Ichikawa v Thantub Suksumrarn | 6-7,6-4,6-2 |
| ITF M25 Taipei | 2019/07/23 02:00 | Taisei Ichikawa v Seita Watanabe | 5-7,4-6 |
| ITF M25 Taipei | 2019/07/22 02:00 | Taisei Ichikawa v Jeffrey Hsu | 6-2,2-6,12-10 |