Stadium: Court 6 Round: 26 Ground: Hardcourt outdoor
| ITF M25 Grasse | 2023/06/11 15:35 | Cosme Rolland De Ravel v Zach Stephens | 6-1,6-1 |
| ITF M25 La Nucia | 2023/06/01 07:00 | Valentin Royer v Zach Stephens | 6-2,6-2 |
| ITF M25 Mataro | 2023/05/23 14:55 | Zach Stephens v Nikolas Sanchez Izquierdo | 1-6,1-6 |
| ITF M25 Valldoreix | 2023/05/10 09:30 | Javier Barranco Cosano v Zach Stephens | 6-1,6-2 |
| ITF M25 Sabadell | 2023/04/30 07:00 | Zach Stephens v Gianni Ross | 2-6,2-6 |
| ITF M15 Telde | 2023/04/18 11:55 | Zach Stephens v Xavi Matas Ortega | 2-6,3-6 |
| ITF M15 Sharm El Sheikh | 2023/03/29 10:50 | Zach Stephens v Zura Tkemaladze | 4-6,3-6 |
| ITF M15 Sharm El Sheikh | 2023/03/22 10:00 | Tuncay Duran v Zach Stephens | 6-2,6-2 |
| ITF M15 Litija | 2023/06/15 12:45 | Luca Wiedenmann v Olaf Pieczkowski | 6-3,6-0 |
| ITF M15 Litija | 2023/06/14 12:10 | Nikola Basic v Olaf Pieczkowski | 0-6,2-6 |
| ITF M15 Constanta | 2023/06/01 08:00 | Radu Mihai Papoe v Olaf Pieczkowski | 6-1,6-4 |
| ITF M15 Constanta | 2023/05/30 10:35 | Joao Victor C Loureiro v Olaf Pieczkowski | 4-6,6-1,4-6 |
| ITF M15 Pazardzhik | 2023/05/24 14:00 | Leonardo Rossi v Olaf Pieczkowski | 7-6,7-6 |
| ITF M15 Monastir | 2023/03/22 08:30 | Olaf Pieczkowski v Buvaysar Gadamauri | 2-6,6-3,2-6 |
| ITF M15 Monastir | 2023/03/19 08:30 | Olaf Pieczkowski v Lorenzo Rottoli | 6-7,3-6 |
| ITF M15 Monastir | 2023/03/18 10:15 | Simone Roncalli v Olaf Pieczkowski | 2-6,2-6 |