Stadium: Court 3 Round: 25 Ground: Clay
| Challenger Rome | 2023/04/23 13:40 | Ergi Kirkin v Alexander Weis | 2-6,7-5,5-7 |
| Challenger Roseto | 2023/04/19 11:50 | Santiago Rodriguez Taverna v Ergi Kirkin | 6-4,6-0 |
| Challenger Roseto | 2023/04/18 14:20 | Stefano Napolitano v Ergi Kirkin | 3-6,6-2,1-6 |
| Challenger Roseto | 2023/04/16 12:45 | Filip Bergevi v Ergi Kirkin | 2-6,1-6 |
| Challenger Barletta | 2023/04/03 08:00 | Stefano Travaglia v Ergi Kirkin | 6-4,6-4 |
| Challenger Szekesfehervar | 2023/03/12 12:05 | Mirza Basic v Ergi Kirkin | 6-2,7-6 |
| Challenger Antalya | 2023/03/06 11:45 | Ergi Kirkin v Mate Valkusz | 3-6,2-6 |
| Challenger Vilnius | 2023/02/09 13:10 | Evan Furness v Ergi Kirkin | 3-6,7-5,6-0 |
| ITF M15 Antalya | 2023/05/01 09:35 | Nicolas Kobelt v Jerome Iaconi | 6-2,4-6,10-12 |
| ITF M15 Antalya | 2023/04/30 07:00 | Nicolas Kobelt v Matteo Meneghetti | 4-6,7-5,10-7 |
| ITF M15 Antalya | 2023/04/26 07:30 | Nicolas Kobelt v Cengiz Aksu | 6-2,1-6,1-6 |
| ITF M25 Trnava | 2023/03/30 12:15 | Karl Friberg v Nicolas Kobelt | 6-1,6-1 |
| ITF M25 Trnava | 2023/03/29 12:00 | Peter Nad v Nicolas Kobelt | 4-6,5-7 |
| Challenger Biel | 2023/03/20 12:55 | Nicolas Kobelt v Enrico Dalla Valle | 0-6,4-6 |
| Challenger Biel | 2023/03/19 13:55 | Matteo Martineau v Nicolas Kobelt | 4-6,4-6 |
| ITF M25 Trimbach | 2023/03/14 13:55 | Matteo Martineau v Nicolas Kobelt | 6-2,6-7,6-1 |