Round: 25 Ground: Clay
| ITF Korea F8 | 2016/08/25 03:55 | Makoto Ochi v Katayama, Sho | 6-1,6-2 |
| ITF Korea F8 | 2016/08/24 02:00 | Kwon, OH-Hee v Katayama, Sho | 3-6,3-6 |
| ITF Korea F8 | 2016/08/23 01:30 | Noh, Sang-Woo v Katayama, Sho | 2-6,2-6 |
| ITF Japan F8 | 2016/06/17 03:55 | Yuki Mochizuki v Katayama, Sho | 6-4,6-3 |
| ITF Japan F8 | 2016/06/16 02:15 | Watanuki, Keisuke v Katayama, Sho | 3-6,1-6 |
| ITF Japan F8 | 2016/06/15 04:30 | Tanuma, Ryota v Katayama, Sho | 3-6,1-6 |
| ITF Japan F7 | 2016/06/12 05:20 | Katayama, Sho v King, Evan | 2-6,6-7 |
| ITF Japan F7 | 2016/06/11 03:40 | Yusuke Takahashi v Katayama, Sho | 2-6,0-6 |
| ITF Vietnam F8 | 2016/08/09 02:00 | Niki, Takuto v Nam, Hyun Woo | 6-4,6-1 |
| ITF Vietnam F8 | 2016/08/03 03:30 | Nam, Hyun Woo v Jayaprakash, Mohit Mayur | 6-7,3-6 |
| ITF Vietnam F8 | 2016/08/01 02:00 | Nam, Hyun Woo v Li, Zhao-Tai | 6-4,6-4 |
| ITF Vietnam F8 | 2016/07/30 06:30 | Nam, Hyun Woo v Dahiya, Jatin | 6-3,6-1 |
| ITF Korea F1 | 2016/06/14 01:30 | Na, Jung-Woong v Nam, Hyun Woo | 7-5,6-2 |
| ITF Kazakhstan F4 Qual | 2016/04/24 05:30 | Nam, Hyun Woo v Yamada, Kento | 4-6,1-6 |
| ITF Kazakhstan F3 Qual | 2016/04/18 05:50 | Poplavskyy, Stanislav v Nam, Hyun Woo | 4-6,7-6,6-0 |
| ITF Kazakhstan F3 Qual | 2016/04/17 08:00 | Yamada, Kento v Nam, Hyun Woo | 4-6,3-6 |