Stadium: Court 3 Round: 62 Ground: Clay
| ITF M15 Bucharest | 2023/05/21 08:00 | Dominic Ducariu v Alexandru Luca | 6-2,5-7,10-8 |
| ITF M15 Pazardzhik | 2023/05/14 13:00 | Alexandru Luca v Peetu Pohjola | 1-6,3-6 |
| ITF M15 Kursumlijska Banja | 2023/05/02 08:00 | Sergei Pogosian v Alexandru Luca | 6-0,6-0 |
| ITF M15 Kursumlijska Banja | 2023/05/01 09:55 | Alexandru Luca v Joshua Schaefer | 6-3,6-7,10-6 |
| ITF M15 Kursumlijska Banja | 2023/04/30 09:30 | Dimitrije Kocic v Alexandru Luca | 5-7,7-5,9-11 |
| ITF M15 Kursumlijska Banja | 2023/04/23 09:00 | Alexandru Luca v Samuil Konov | 4-6,6-4,3-10 |
| ITF M15 Antalya | 2023/03/12 12:00 | Igor Gimenez v Alexandru Luca | 6-1,6-0 |
| UTR Pro Copenhagen | 2023/02/15 08:30 | Alexandru Luca v Igor Dudun | 6-3,3-6,4-6 |
| ITF M15 Meerbusch | 2023/04/24 10:00 | Ruben Hartig v Olivier Rojas | 6-4,6-4 |
| ITF M15 Meerbusch | 2023/04/24 08:00 | Leopold Zima v Ruben Hartig | 6-4,6-1 |
| ITF M15 Antalya | 2023/04/17 12:15 | Marlon Vankan v Ruben Hartig | 6-3,6-3 |
| ITF M15 Antalya | 2023/04/16 07:00 | Ruben Hartig v Pavel Gula | 6-1,6-3 |
| ITF M15 Antalya | 2023/04/09 06:30 | Ruben Hartig v Atakan Karahan | 1-6,6-3,6-10 |
| ITF M15 Antalya | 2023/04/03 11:10 | Ruben Hartig v Yuquan Jin | 3-6,2-6 |
| ITF M15 Antalya | 2023/04/02 07:00 | Elio Jose Ribeiro Lago v Ruben Hartig | 6-2,4-6,3-10 |
| ITF M15 Monastir | 2023/02/26 08:00 | Ruben Hartig v Hikaru Shiraishi | 0-6,3-6 |