Stadium: Court 7 Round: 25 Ground: Clay
| ITF M15 Boca Raton | 2023/11/16 15:00 | Mikel Anderson v Noah Schlagenhauf | 2-6,5-7 |
| ITF M15 Boca Raton | 2023/11/14 14:00 | Brian Cernoch v Noah Schlagenhauf | 2-6,7-5,10-12 |
| ITF M15 Fayetteville | 2023/10/30 15:00 | Noah Schlagenhauf v Pablo Carretero | 3-6,5-7 |
| ITF M25 Ystad | 2023/08/16 10:20 | Noah Schlagenhauf v Karl Friberg | 2-6,0-6 |
| ITF M25 Ystad | 2023/08/15 08:45 | Noah Schlagenhauf v Eldin Nokic | 7-5,6-2 |
| ITF M25 Ystad | 2023/08/14 13:05 | Noah Schlagenhauf v Samuel Rovai | 6-0,6-3 |
| ITF M15 Metzingen | 2023/07/23 12:00 | Gian Luca Tanner v Noah Schlagenhauf | 2-6,6-1,10-3 |
| ITF M15 Uslar | 2023/07/17 16:00 | Justin Engel v Noah Schlagenhauf | 6-3,6-0 |
| ITF M15 Boca Raton | 2023/11/16 13:00 | Alvin N Tudorica v John Bernard | 6-3,6-2 |
| ITF M15 Boca Raton | 2023/11/13 14:00 | Alvin N Tudorica v Kyle Overmyer | 6-3,7-5 |
| ITF M15 Tallahassee | 2023/10/26 15:00 | Alvin N Tudorica v Patrick Maloney | 7-5,2-6,6-7 |
| ITF M15 Tallahassee | 2023/10/25 15:35 | Justin Lyons v Alvin N Tudorica | 1-6,3-6 |
| ITF M15 Tallahassee | 2023/10/24 14:00 | Alvin N Tudorica v Bruno Oliveira | 7-6,6-2 |
| ITF M15 Tallahassee | 2023/10/23 14:00 | Alvin N Tudorica v Matthias Uwe Kask | 7-6,7-5 |
| ITF M15 Monastir | 2023/07/13 10:00 | Alvin N Tudorica v Boris Butulija | 2-6,2-6 |
| ITF M15 Monastir | 2023/07/12 12:25 | Martin Borisiouk v Alvin N Tudorica | 6-3,6-7,3-6 |