Stadium: Court 7 Round: 26 Ground: Clay
| ITF M25 Telfs | 2023/07/18 10:40 | Lukas Palovic v Michael Gloeckler | 6-3,3-6,6-7 |
| ITF M15 Litija | 2023/06/13 07:00 | Michael Gloeckler v Benedikt Emesz | 7-5,4-6,9-11 |
| 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 M25 Telfs | 2023/07/19 12:20 | Jan Jermar v Gerard Campana Lee | 6-4,2-6,2-6 |
| ITF M25 Anseong | 2023/06/25 02:50 | Gerard Campana Lee v Sanhui Shin | 7-5,6-4 |
| ITF M25 Anseong | 2023/06/24 02:55 | Yunseong Chung v Gerard Campana Lee | 2-6,6-2,3-6 |
| ITF M25 Anseong | 2023/06/23 02:00 | Taisei Ichikawa v Gerard Campana Lee | 6-7,0-6 |
| ITF M25 Anseong | 2023/06/21 03:50 | Gerard Campana Lee v Kokoro Isomura | 6-4,6-3 |
| Challenger Skopje | 2023/05/25 09:45 | Gerard Campana Lee v Evgeny Donskoy | 4-6,2-6 |
| Challenger Skopje | 2023/05/24 09:00 | Nerman Fatic v Gerard Campana Lee | 6-7,6-4,2-6 |
| Challenger Skopje | 2023/05/22 14:10 | Gerard Campana Lee v Daniel Dutra Da Silva | 6-3,6-2 |