Stadium: Court 6 Round: 54 Ground: Clay
| ITF M15 - Telde | 2024/04/11 09:30 | Tomas C Abasolo v Alejandro M Kretzer | 6-4,5-7,7-5 |
| ITF M15 - Telde | 2024/04/10 08:00 | Edison Ambarzumjan v Alejandro M Kretzer | 7-6,1-6,1-6 |
| ITF M25 - Reus | 2024/04/04 14:00 | Diego F Flores v Alejandro M Kretzer | 2-6,6-3,7-5 |
| ITF M25 - Reus | 2024/04/02 13:00 | Alejandro M Kretzer v Vicente O Moratalla | 7-6,6-2 |
| ITF M25 - Tarragona | 2024/03/24 11:30 | Amaan Siddiqui v Alejandro M Kretzer | 4-6,6-4,12-10 |
| ITF - M25 Badalona | 2024/03/20 09:00 | Alejandro M Kretzer v Max Alcala Gurri | 2-6,1-6 |
| ITF - M15 Les Franqueses | 2024/03/15 11:00 | Alejandro M Kretzer v Gabriel Decamps | 1-6,1-6 |
| ITF - M15 Les Franqueses | 2024/03/14 11:00 | Maximus Jones v Alejandro M Kretzer | 6-3,0-6,1-6 |
| ITF M15 - Telde | 2024/04/07 08:00 | Yannick Penkner v Thomas Faurel | 1-6,1-6 |
| ITF - M15 Opatija | 2024/03/17 12:00 | Yannick Penkner v Marcell Bartakovics | 5-7,3-6 |
| ITF - M15 Poreč | 2024/03/03 11:30 | Nikola Puntaric v Yannick Penkner | 3-6,6-3,10-5 |
| ITF - M25 Hammamet | 2024/02/04 10:30 | Caspar Schuetze v Yannick Penkner | 6-4,6-1 |
| ITF - M25 Hammamet | 2024/01/30 08:30 | Sergi Fita Juan v Yannick Penkner | 6-3,6-4 |
| ITF M15 Manacor | 2024/01/14 16:00 | Yannick Penkner v Nils Pottbecker | 4-6,3-6 |
| ITF M25 - Madrid | 2023/09/10 13:00 | Pablo Manzano Lapuerta v Yannick Penkner | 6-4,7-6 |
| ITF M15 - Kottingbrunn | 2023/08/13 12:00 | Attila Boros v Yannick Penkner | 6-0,6-3 |