Stadium: Hard 21 Round: 62 Ground: Hardcourt outdoor
| ITF - M15 Héraklion | 2024/03/17 12:00 | Christos Glavas v Martin Klizan | 0-6,2-6 |
| ITF - M15 Héraklion | 2024/03/11 11:30 | Christos Glavas v Schinas, Stephanos | 6-2,6-7,3-10 |
| ITF - M15 Héraklion | 2024/03/10 12:00 | Enaut Garcia v Christos Glavas | 6-7,3-6 |
| ITF - M15 Héraklion | 2024/03/05 08:00 | Amit Vales v Christos Glavas | 6-4,6-2 |
| ITF M25 Heraklion | 2023/11/27 10:00 | Christos Glavas v Ewan Moore | 5-7,1-6 |
| ITF - M15 Héraklion | 2023/11/14 08:30 | Amit Vales v Christos Glavas | 6-1,6-4 |
| ITF M25 Heraklion | 2023/11/08 11:35 | Christos Glavas v Sebastian Gima | 2-6,6-7 |
| ITF M25 Heraklion | 2023/10/29 12:45 | Lech Gontar v Christos Glavas | 2-6,4-6 |
| ITF - M15 Héraklion | 2024/03/18 10:30 | Ron Ellouck v Ruenger, Roman | 6-1,6-2 |
| ITF - M15 Héraklion | 2024/03/17 09:00 | Ruenger, Roman v Josh Roe Flannelly | 6-2,6-1 |
| ITF - M15 Héraklion | 2024/03/04 08:00 | Karlo Cubelic v Ruenger, Roman | 6-1,6-3 |
| ITF - M15 Antalya | 2024/01/07 06:30 | Ruenger, Roman v Gabriel Matuszewski | 4-6,3-6 |
| ITF M25 Telavi | 2023/10/22 06:00 | Ivan Denisov v Ruenger, Roman | 6-3,6-2 |
| ITF M25 Telavi | 2023/10/16 06:00 | Ruenger, Roman v Jeremy Gschwendtner | 1-6,2-6 |
| ITF M25 Telavi | 2023/10/15 06:00 | Ruenger, Roman v Savelii Shpita | 6-7,6-1,10-2 |
| ITF M25 Esch/Alzette Qual | 2023/07/16 09:25 | Mats Bredschneijder v Ruenger, Roman | 6-2,6-3 |