Stadium: Court 3 Round: 62 Ground: Clay
| ITF M25 Monastir | 2023/11/12 08:00 | Ruben Hartig v Teymuraz Gabashvili | 2-6,0-6 |
| ITF M25 Monastir | 2023/11/06 09:30 | Toby Martin v Ruben Hartig | 6-1,6-1 |
| ITF M25 Monastir | 2023/11/05 08:00 | Ruben Hartig v Nicholas Van Aken | 6-2,6-1 |
| ITF M15 Monastir | 2023/10/23 15:00 | Ruben Hartig v Jaka Protic Zakelj | 1-6,3-6 |
| ITF M15 Vigo | 2023/10/12 13:05 | Nicola Kuhn v Ruben Hartig | 6-0,6-2 |
| ITF M15 Vigo | 2023/10/11 13:40 | Ruben Hartig v Ian Luca Cervantes Tomas | 6-4,6-2 |
| ITF M15 Vigo | 2023/10/09 12:00 | Renan Perdigao v Ruben Hartig | 0-6,6-7 |
| ITF M25 Zaragoza | 2023/10/02 09:40 | Ruben Hartig v Samuel Brosset | 3-6,1-6 |
| ITF M25 Tainan | 2023/08/22 04:15 | Jeffrey Hsu v Lucio Carnevalle | 6-1,5-7,5-7 |
| ITF M25 Tainan | 2023/08/21 04:20 | Jeffrey Hsu v Chieh En Hou | 7-6,6-2 |
| ITF M25 Tainan | 2023/08/20 03:00 | Parth Aggarwal v Jeffrey Hsu | 3-6,1-6 |
| ITF M25 Tainan | 2023/08/13 02:00 | Ko Suzuki v Jeffrey Hsu | 6-3,6-2 |
| ITF M25 Anning | 2023/07/31 01:30 | Jeffrey Hsu v Zhou Mingzhou | 5-7,4-6 |
| ITF M25 Anning | 2023/07/30 01:00 | Jeffrey Hsu v Zhiyuan Jiang | 6-0,6-0 |
| UTR Pro Taipei | 2023/07/16 06:00 | Brody Nejedly-Krall v Jeffrey Hsu | 4-6,3-6 |
| UTR Pro Taipei | 2023/07/15 03:08 | Jeffrey Hsu v Lakshya Gupta | 6-3,4-6,3-0 |