| UTR Pro Tennis Series Dallas | 2021/08/11 13:00 | Colin Markes v Ryuhei Azuma | 2-6,1-6 |
| UTR Pro Tennis Series Dallas | 2021/08/10 16:00 | Juan Carlos Aguilar v Ryuhei Azuma | 4-6,6-3,6-3 |
| UTR Pro Tennis Series Dallas | 2021/08/08 19:30 | Ryuhei Azuma v Stefan Storch | 2-6,6-6 |
| ITF M15 Cancun | 2019/09/17 17:55 | Ryuhei Azuma v Adam El Mihdawy | 1-6,1-6 |
| ITF M15 Cancun | 2019/09/11 14:00 | Juan Sebastian Gomez v Ryuhei Azuma | 6-4,7-5 |
| ITF Japan F8 | 2018/06/11 00:30 | Masaya Kobayashi v Ryuhei Azuma | 6-0,7-5 |
| ITF Japan F6 Qual | 2018/04/08 01:00 | Ryuhei Azuma v Yuto Sakai | 2-6,2-6 |
| ITF Japan F2 | 2018/03/10 02:30 | Tomohiro Masabayashi v Ryuhei Azuma | 6-4,6-3 |
| UTR Pro Tennis Series Dallas | 2021/08/10 17:30 | James Tracy v Mark Mandlik | 6-3,6-2 |
| UTR Pro Tennis Series Dallas | 2021/08/09 18:30 | Pranav Kumar v Mark Mandlik | 3-6,6-1,6-3 |
| UTR Pro Tennis Series Dallas | 2021/08/08 15:30 | Anish Sriniketh v Mark Mandlik | 3-6,1-6 |
| ITF M15 Monastir | 2021/07/14 10:00 | Mark Mandlik v Matias Franco Descotte | 2-6,0-6 |
| ITF M15 Monastir | 2021/07/12 14:30 | Michael Zhu v Mark Mandlik | 6-4,2-6,1-10 |
| ITF M15 Monastir | 2021/07/12 09:00 | Mark Mandlik v Adam Jones | 6-1,4-6,11-9 |
| ITF M15 Monastir | 2021/07/11 09:00 | Mark Mandlik v Liova Ajavon | 6-7,7-5,10-2 |
| ITF M15 Monastir | 2021/07/05 14:00 | Mark Mandlik v Perry Gregg | 4-6,3-6 |