Stadium: Court 1 Round: 45 Ground: Hardcourt outdoor
| ITF M25 Dallas | 2023/07/12 17:40 | Mac Kiger v Mitchell Krueger | 0-6,2-6 |
| ITF M25 Tulsa | 2023/06/22 15:00 | Mac Kiger v Garrett Johns | 5-7,4-6 |
| ITF M25 Tulsa | 2023/06/21 15:40 | Mac Kiger v Jonathan Sorbo | 6-4,6-3 |
| ITF M25 Wichita | 2023/06/14 16:30 | Peter Bertran v Mac Kiger | 7-6,3-6,6-2 |
| ITF M25 Wichita | 2023/06/13 17:00 | Mac Kiger v Jake Krug | 6-2,6-3 |
| Challenger Tallahassee | 2023/04/17 14:00 | Strong Kirchheimer v Mac Kiger | 6-3,4-6,6-2 |
| ITF M15 Sunrise | 2023/04/11 21:00 | Mac Kiger v Kyle Kang | 3-6,1-6 |
| ITF M25 Montreal | 2023/03/15 15:20 | James Davis v Mac Kiger | 6-3,6-4 |
| Challenger Bloomfield Hills | 2023/07/02 18:00 | Evan Zhu v Ji Sung Nam | 6-1,6-4 |
| Challenger Cali | 2023/06/18 19:15 | Frazier Rengifo v Ji Sung Nam | 6-4,6-2 |
| Challenger Palmas del Mar | 2023/06/11 17:15 | Ji Sung Nam v Gustavo Heide | 4-6,4-6 |
| Challenger Busan | 2023/05/09 02:00 | Ji Sung Nam v Gabriel Diallo | 3-6,3-6 |
| Challenger Gwangju | 2023/05/01 01:30 | Dominik Palan v Ji Sung Nam | 6-4,6-3 |
| Challenger Gwangju | 2023/04/30 01:30 | Ji Sung Nam v Ajeet Rai | 5-7,6-1,6-2 |
| Challenger Seoul | 2023/04/26 02:00 | Max Purcell v Ji Sung Nam | 6-3,6-4 |
| Challenger Seoul | 2023/04/24 02:00 | Ji Sung Nam v Shinji Hazawa | 6-2,6-4 |