Stadium: Pista 2 Round: 14 Ground: Hardcourt outdoor
| ITF M15 Kottingbrunn | 2023/08/13 12:00 | Janos Fekete v Rafael Giotis | 6-0,6-2 |
| ITF M15 Curtea de Arges | 2023/08/08 12:05 | Mihai Razvan Marinescu v Rafael Giotis | 6-2,6-3 |
| ITF M15 Curtea de Arges | 2023/08/07 11:00 | Dan Radu Munteanu v Rafael Giotis | 1-6,0-6 |
| ITF M25 Denia | 2023/07/25 07:50 | Rafael Giotis v Nacho Serra Sanchez | 6-3,4-6,5-10 |
| ITF M25 Denia | 2023/07/24 08:00 | David Naharro v Rafael Giotis | 6-7,2-6 |
| ITF M25 Gandia | 2023/07/16 08:00 | Nil Regas Luis v Rafael Giotis | 7-5,6-4 |
| ITF M15 Wroclaw | 2023/06/25 09:00 | Aristotelis Thanos v Rafael Giotis | 3-6,6-4,10-6 |
| ITF M15 Antalya | 2023/03/05 06:30 | Gianrocco De Filippo v Rafael Giotis | 3-6,7-5,10-8 |
| ITF M25 Idanha-A-Nova | 2023/08/25 08:00 | Christian Langmo v Dan Added | 2-6,6-7 |
| ITF M25 Idanha-A-Nova | 2023/08/24 11:20 | Christian Langmo v Tiago Silva | 3-6,7-6,6-4 |
| ITF M25 Idanha-A-Nova | 2023/08/22 09:45 | Christian Langmo v Lorenzo Claverie | 6-7,7-5,6-3 |
| Challenger Lexington | 2023/08/02 00:55 | Tung-Lin Wu v Christian Langmo | 6-4,6-4 |
| Challenger Salinas | 2023/07/24 18:05 | Kaichi Uchida v Christian Langmo | 7-6,0-6,6-0 |
| Challenger Granby | 2023/07/17 00:45 | Christian Langmo v Blaise Bicknell | 1-6,6-7 |
| Challenger Chicago | 2023/07/10 16:40 | Tristan Schoolkate v Christian Langmo | 6-3,1-6,7-5 |
| Challenger Chicago | 2023/07/09 17:20 | Nathan Ponwith v Christian Langmo | 4-6,5-7 |