Stadium: Court 1 Round: 54 Ground: Hardcourt indoor
| UTR Pro Columbus | 2023/08/19 13:00 | Eric Li v Nicolas Kotzen | 6-2,2-6,7-6 |
| UTR Pro Columbus | 2023/08/18 15:30 | Nicolas Kotzen v Zach Fuchs | 3-6,7-6,6-4 |
| UTR Pro Columbus | 2023/08/17 19:02 | Nicolas Kotzen v Alex Bancila | 7-5,6-7,6-4 |
| UTR Pro Columbus | 2023/08/16 17:00 | Reece Yakubov v Nicolas Kotzen | 6-7,1-6 |
| UTR Pro Columbus | 2023/08/15 15:30 | Alex Kobelt v Nicolas Kotzen | 3-6,6-7 |
| ITF M25 Southaven | 2023/08/09 22:10 | Aidan Mchugh v Nicolas Kotzen | 6-4,6-7,6-1 |
| ITF M25 Southaven | 2023/08/08 14:00 | Henrik Wiersholm v Nicolas Kotzen | 6-1,3-6,8-10 |
| ITF M25 Decatur | 2023/08/01 15:35 | Nicolas Kotzen v Pranav Kumar | 3-6,2-6 |