Stadium: Court 5 Round: 62 Ground: Hardcourt outdoor
| ITF M15 Monastir | 2023/10/16 08:00 | 왈드너, 니클라스 v Loan Lestir | 1-6,6-3,10-8 |
| ITF M15 Monastir | 2023/10/15 08:00 | 왈드너, 니클라스 v Hugo Cardinaud | 6-2,6-4 |
| ITF M15 Monastir | 2023/10/08 08:00 | 델리어스니더, 클레멘트 v 왈드너, 니클라스 | 6-3,6-1 |
| Maribor, Singles Main, M-ITF-SLO-06A | 2023/09/05 09:45 | 왈드너, 니클라스 v Zund, Serafin | 6-7,2-6 |
| Maribor, Singles Main, M-ITF-SLO-06A | 2023/09/04 08:00 | 왈드너, 니클라스 v Dusan Baranec | 6-3,2-6,10-2 |
| ITF M15 Allershausen | 2023/08/30 10:00 | 왈드너, 니클라스 v Marc Majdandzic | 3-6,4-6 |
| ITF M15 Caslano | 2023/08/22 09:25 | 왈드너, 니클라스 v 포사티, 알베르토 | 1-6,6-4,6-7 |
| ITF M15 Kottingbrunn | 2023/08/13 08:00 | 왈드너, 니클라스 v 발타코빅스, 마르셀 | 1-6,2-6 |
| ITF M15 Monastir | 2023/10/16 08:00 | Bove, Federico v Stefano Liokossis | 3-6,6-4,8-10 |
| ITF M15 Monastir | 2023/10/15 08:00 | Victor Paganetti v Stefano Liokossis | 3-6,0-6 |
| ITF M15 Monastir | 2023/10/08 08:00 | Jurriaan Bol v Stefano Liokossis | 6-3,6-1 |
| ITF M15 Monastir | 2023/10/01 08:00 | Hugo Soares v Stefano Liokossis | 7-5,6-3 |
| ITF M15 Pittsburgh | 2023/07/24 14:00 | David Saye v Stefano Liokossis | 7-6,6-2 |
| ITF M25 Laval | 2023/07/09 14:00 | Stefano Liokossis v Maxime St-Hilaire | 4-6,0-6 |
| UTR Pro Florida | 2023/07/06 16:11 | 시소에브, 니콜라이 v Stefano Liokossis | 6-2,5-1 |
| UTR Pro Florida | 2023/07/05 20:00 | Stefano Liokossis v Luke Casper | 6-3,3-6,1-6 |