Stadium: Court 4 Round: 26 Ground: Hardcourt outdoor
| ITF M25 Jin-čchuan | 2019/06/28 01:30 | Liran Chen v Xin Gao | 4-6,2-6 |
| ITF - M25 - Hongkong | 2019/06/14 02:00 | Shintaro Imai v Xin Gao | 6-4,6-7,6-3 |
| ITF - M25 - Hongkong | 2019/06/13 03:45 | Maksim Tikhomirov v Xin Gao | 6-7,1-6 |
| ITF - M25 - Hongkong | 2019/06/11 08:15 | Xin Gao v Blake Ellis | 7-6,6-4 |
| ITF - M25 - Hongkong | 2019/06/06 02:00 | Shuichi Sekiguchi v Xin Gao | 6-3,6-1 |
| ITF - M25 - Hongkong | 2019/06/05 02:30 | Maksim Tikhomirov v Xin Gao | 6-4,1-6,1-6 |
| ITF M25 Lu-čou | 2019/05/31 02:00 | Yecong He v Xin Gao | 6-3,6-4 |
| ITF M25 Lu-čou | 2019/05/30 04:30 | Haitong Xia v Xin Gao | 1-6,2-6 |
| ITF M25 Jin-čchuan | 2019/06/28 03:35 | Zhou Mingzhou v Shinji Hazawa | 4-6,2-6 |
| ITF M25 Matsuyama | 2019/04/10 03:30 | Yuki Mochizuki v Shinji Hazawa | 6-0,6-2 |
| ITF M15 Kashiwa | 2019/04/04 02:40 | Shinji Hazawa v Makoto Ochi | 2-6,1-6 |
| ITF M15 Kashiwa | 2019/04/03 01:55 | Shinji Hazawa v Sora Fukuda | 6-1,5-7,6-1 |
| ITF M15 Tsukuba | 2019/03/26 02:15 | Shinji Hazawa v Kuan-Yi Lee | 3-6,4-6 |
| ITF M15 Kofu | 2019/03/19 02:35 | Shinji Hazawa v Sho Shimabukuro | 3-6,3-6 |
| ITF - M15 Nishi-Tokyo | 2019/03/12 04:45 | Sho Shimabukuro v Shinji Hazawa | 6-3,6-7,6-2 |
| ITF M15 Nishi-Tama | 2019/03/05 05:25 | Naoki Tajima v Shinji Hazawa | 7-5,6-3 |