Stadium: Court 22 Round: 62 Ground: Clay
| 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 |
| ITF M15 Monastir | 2023/02/20 10:25 | Simon Freund v Ruben Hartig | 6-4,6-4 |
| ITF M15 Monastir | 2023/01/23 08:00 | Lukas Palovic v Ruben Hartig | 6-2,6-3 |
| ITF M15 Monastir | 2023/01/16 14:10 | Vladislav Ivanov v Ruben Hartig | 6-3,6-3 |
| ITF M15 Monastir | 2023/01/16 08:30 | Ruben Hartig v Alessandro Ragazzi | 6-3,6-3 |
| ITF M15 Monastir | 2023/01/15 17:30 | Rishabdev Raman v Ruben Hartig | 3-6,1-6 |
| ITF M15 Heraklion | 2022/10/30 10:00 | Shunsuke Wakita v Ruben Hartig | 6-2,6-2 |
| ITF M15 Antalya | 2023/04/02 07:00 | Yuquan Jin v Shivam Khanna | 6-1,6-2 |
| ITF M15 Antalya | 2023/03/27 10:55 | Mateo Del Pino v Yuquan Jin | 6-3,6-0 |
| ITF M15 Antalya | 2023/03/26 10:30 | Rik Muller v Yuquan Jin | 2-6,3-6 |
| ITF M15 Antalya | 2023/03/20 07:00 | Igor Gimenez v Yuquan Jin | 6-2,6-7,10-6 |
| ITF M15 Antalya | 2023/03/13 15:05 | Leopold Zima v Yuquan Jin | 6-2,6-1 |
| ITF M15 Antalya | 2023/03/12 12:00 | Lucas Obeid v Yuquan Jin | 1-6,4-6 |
| Challenger Jinan | 2019/09/03 02:00 | Yuquan Jin v Frederico Ferreira Silva | 3-6,1-6 |
| Challenger Jinan | 2019/09/02 02:00 | Renta Tokuda v Yuquan Jin | 6-1,6-3 |