Stadium: Court 5 Round: 26 Ground: Clay
| ITF M25 Tainan | 2023/08/23 02:00 | Taisei Ichikawa v Henrik Wiersholm | 6-7,2-6 |
| ITF M25 Tainan | 2023/08/21 02:00 | Henrik Wiersholm v Yan Cheng Chen | 7-5,6-2 |
| ITF M25 Tainan | 2023/08/20 03:00 | Henrik Wiersholm v Xiao Zhou | 7-5,6-0 |
| ITF M25 Southaven | 2023/08/09 19:45 | Andres Andrade v Henrik Wiersholm | 4-6,6-3,6-4 |
| ITF M25 Southaven | 2023/08/08 14:00 | Henrik Wiersholm v Nicolas Kotzen | 6-1,3-6,8-10 |
| ITF M25 Decatur | 2023/08/02 20:20 | Henrik Wiersholm v Jonah Braswell | 4-6,6-2,0-6 |
| ITF M25 Decatur | 2023/08/01 13:45 | Ishaan Ravichander v Henrik Wiersholm | 2-6,2-6 |
| ITF M15 Pittsburgh | 2023/07/25 16:00 | Juan Carlos Aguilar v Henrik Wiersholm | 6-4,7-6 |
| ITF M25 Tainan | 2023/08/22 04:15 | Tzu Li Chang v Kazuki Nishiwaki | 1-6,3-6 |
| ITF M25 Tainan | 2023/08/19 02:00 | Makoto Ochi v Kazuki Nishiwaki | 6-2,7-6 |
| ITF M25 Tainan | 2023/08/17 02:00 | Cheng-Yu Yu v Kazuki Nishiwaki | 5-7,3-6 |
| ITF M25 Tainan | 2023/08/16 04:40 | Kazuki Nishiwaki v Digvijay Pratap Singh | 6-7,6-4,6-3 |
| ITF M15 Caloundra | 2023/08/03 03:10 | Isaac Becroft v Kazuki Nishiwaki | 7-6,6-3 |
| ITF M15 Caloundra | 2023/08/01 03:40 | Kazuki Nishiwaki v Ryotaro Matsumura | 6-3,3-6,6-3 |
| ITF M15 Caloundra | 2023/07/25 04:05 | Daisuke Sumizawa v Kazuki Nishiwaki | 6-1,6-2 |
| ITF M15 Jakarta | 2023/06/29 04:30 | S D Prajwal Dev v Kazuki Nishiwaki | 7-6,6-0 |