Stadium: Court 7 Round: 26 Ground: Clay
| ITF M15 Warmbad-Villach | 2023/05/23 10:05 | Michael Gloeckler v Zura Tkemaladze | 4-6,1-6 |
| ITF M15 Osijek | 2023/05/05 10:00 | Michael Gloeckler v Gergely Madarasz | 6-3,4-6,6-7 |
| ITF M15 Osijek | 2023/05/04 10:30 | Duje Kekez v Michael Gloeckler | 3-6,6-7 |
| ITF M15 Osijek | 2023/05/03 08:00 | Vito Dell'Elba v Michael Gloeckler | 4-6,2-6 |
| ITF M15 Osijek | 2023/05/02 09:45 | Obrad Markovski v Michael Gloeckler | 5-7,2-6 |
| ITF M15 Osijek | 2023/05/01 07:55 | Stepan Mruzek v Michael Gloeckler | 6-4,4-6,10-12 |
| ITF M15 Osijek | 2023/04/30 08:00 | Bruno Balic v Michael Gloeckler | 1-6,0-6 |
| ITF M15 Monastir | 2023/04/10 14:40 | Max Wiskandt v Michael Gloeckler | 6-4,6-0 |
| Challenger Skopje | 2023/05/22 14:10 | Gerard Campana Lee v Daniel Dutra Da Silva | 6-3,6-2 |
| Challenger Oeiras | 2023/05/17 12:45 | Aleksandar Vukic v Gerard Campana Lee | 6-4,4-6,6-3 |
| Challenger Oeiras | 2023/05/16 12:35 | Gerard Campana Lee v Manuel Guinard | 6-3,6-2 |
| ITF M25 Valldoreix | 2023/05/07 11:30 | Anthony Genov v Gerard Campana Lee | 6-2,6-3 |
| ITF M25 Sabadell | 2023/05/03 08:00 | Henrique Rocha v Gerard Campana Lee | 6-3,6-1 |
| ITF M25 Sabadell | 2023/05/02 10:05 | Anthony Genov v Gerard Campana Lee | 1-6,0-6 |
| ITF M25 Sabadell | 2023/05/01 08:00 | Alvaro Dagoberto Garcia Ramirez v Gerard Campana Lee | 3-6,6-7 |
| ITF M25 Sabadell | 2023/04/30 07:00 | Guilherme Valdoleiros v Gerard Campana Lee | 2-6,2-6 |