| UTR Pro Tennis Series Nevada | 2021/06/26 17:00 | Brandon Stringfellow v Nicolas Kotzen | 3-6,4-5 |
| UTR Pro Tennis Series Nevada | 2021/06/25 16:30 | Nicolas Kotzen v Joshua Charlton | 3-6,6-7 |
| UTR Pro Tennis Series Nevada | 2021/06/24 15:00 | Nicolas Kotzen v Mason Beiler | 3-6,4-5 |
| UTR Pro Tennis Series Nevada | 2021/06/23 16:30 | Aaron Bailey v Nicolas Kotzen | 6-7,2-5 |
| UTR Pro Tennis Series Nevada | 2021/06/22 16:30 | Maxwell McKennon v Nicolas Kotzen | 6-3,4-6,2-5 |
| UTR Pro Tennis Series Florida | 2021/03/14 13:00 | Nicolas Kotzen v Raphael Termat | 6-4,6-1 |
| UTR Pro Tennis Series Florida | 2021/03/12 14:00 | Nicolas Kotzen v Tristan Meraut | 2-1 |
| UTR Pro Tennis Series Florida | 2021/03/09 14:04 | Nicolas Kotzen v Giulio Perego | 5-7,4-6 |
| ITF M15 Pittsburgh | 2022/07/14 17:10 | Elijah Poritzky v Herbert Jody Maginley | 3-6,4-6 |
| ITF M15 Pittsburgh | 2022/07/13 17:45 | Lorenzo Claverie v Elijah Poritzky | 2-6,6-7 |
| ITF M15 Pittsburgh | 2022/07/12 14:00 | Elijah Poritzky v Peter Kuszynski | 6-3,6-4 |
| UTR Pro Tennis Series Dallas | 2021/08/08 13:00 | Elijah Poritzky v Top Nidunjianzan | 6-1,5-7,3-6 |
| UTR Pro Tennis Series Dallas | 2021/08/07 15:00 | Matt Kuhar v Elijah Poritzky | 3-6,0-0 |
| UTR Pro Tennis Series Dallas | 2021/08/06 14:30 | Elijah Poritzky v Mac Kiger | 3-6,5-7 |
| UTR Pro Tennis Series Dallas | 2021/08/05 16:00 | Elijah Poritzky v Jackson Allen | 7-5,0-6,4-4 |
| UTR Pro Tennis Series Dallas | 2021/08/04 16:00 | Lawrence Sciglitano v Elijah Poritzky | 7-6,3-6,3-6 |