Stadium: Hard 2 Round: 62 Ground: Hardcourt outdoor
| ITF M25 Telavi | 2023/10/22 06:00 | Ivan Denisov v Roman Ruenger | 6-3,6-2 |
| ITF M25 Telavi | 2023/10/16 06:00 | Roman Ruenger v Jeremy Gschwendtner | 1-6,2-6 |
| ITF M25 Telavi | 2023/10/15 06:00 | Roman Ruenger v Savelii Shpita | 6-7,6-1,10-2 |
| ITF M25 Esch/Alzette Qual | 2023/07/16 09:25 | Mats Bredschneijder v Roman Ruenger | 6-2,6-3 |
| ITF M25 Most | 2023/05/22 08:00 | Aleksandr Braynin v Roman Ruenger | 7-5,6-3 |
| ITF M15 Pazardzhik | 2023/05/15 11:30 | Mihai Razvan Marinescu v Roman Ruenger | 7-5,6-1 |
| ITF M15 Pazardzhik | 2023/05/15 07:00 | Roman Ruenger v Vardan Manukyan | 7-5,7-5 |
| ITF M15 Alaminos-Larnaca | 2023/04/24 07:00 | Shinnosuke Hiramatsu v Roman Ruenger | 6-2,6-0 |
| UTR Pro Easton | 2023/11/14 12:30 | Sizya Ernest Kivanda v Josh Roe Flannelly | 6-3,4-1 |
| UTR Pro Easton | 2023/11/13 09:30 | Josh Roe Flannelly v Ali Habib | 1-6,3-6 |
| ITF M25 Monastir | 2023/11/05 10:30 | Saba George Nanobashvili v Josh Roe Flannelly | 7-6,6-1 |
| UTR Pro Zadar | 2023/10/19 06:00 | Josh Roe Flannelly v Christos Keisidis | 0-6,0-2 |
| UTR Pro Zadar | 2023/10/18 08:34 | Duje Kekez v Josh Roe Flannelly | 7-5,6-1 |
| UTR Pro Zadar | 2023/10/17 06:00 | Tim Heger v Josh Roe Flannelly | 6-0,5-4 |
| ITF M15 Monastir | 2023/10/10 08:00 | Josh Roe Flannelly v Tom Gentzsch | 4-6,0-6 |
| ITF M15 Monastir | 2023/10/02 08:00 | Daniel Salazar v Josh Roe Flannelly | 6-3,7-6 |