Stadium: Court 3 Round: 62 Ground: Hardcourt outdoor
| ITF M15 Monastir | 2023/11/07 08:30 | Matei Cristian Onofrei v Nicolas Tepmahc | 1-6,4-6 |
| ITF M15 Monastir | 2023/10/30 08:00 | Max Wiskandt v Matei Cristian Onofrei | 6-2,6-1 |
| ITF M15 Monastir | 2023/10/29 07:30 | Haithem Rabbouche v Matei Cristian Onofrei | 1-6,0-6 |
| ITF M15 Monastir | 2023/10/22 08:00 | Mika Lipp v Matei Cristian Onofrei | 6-4,6-4 |
| ITF M15 Monastir | 2023/10/15 09:30 | Yuchen Pan v Matei Cristian Onofrei | 3-6,7-5,10-5 |
| ITF M15 Monastir | 2023/10/08 08:00 | Ki Lung NG v Matei Cristian Onofrei | 3-6,6-2,10-2 |
| ITF M15 Monastir | 2023/10/02 08:00 | Matei Cristian Onofrei v Edouard Villoslada | 6-7,4-6 |
| ITF M15 Monastir | 2023/10/01 08:00 | Matei Cristian Onofrei v Yudai Umeoka | 6-3,6-3 |
| ITF M25 Edgbaston | 2023/10/16 10:15 | Ewen Lumsden v Arthur Van Der Kooij | 7-6,6-2 |
| ITF M25 Edgbaston | 2023/10/15 09:00 | Arthur Van Der Kooij v Liam Hignett | 2-6,7-6,10-0 |
| ITF M15 Haren | 2023/09/03 08:00 | Arthur Van Der Kooij v Pepijn Bastiaansen | 2-6,1-6 |
| ITF M25 Oldenzaal | 2023/08/27 09:30 | Marcel Hornung v Arthur Van Der Kooij | 6-4,6-4 |
| UTR Pro Hilversum | 2023/06/07 06:00 | Arthur Van Der Kooij v Alessandro-D Ventre | 5-7,0-3 |
| UTR Pro Hilversum | 2023/06/06 09:54 | Arthur Van Der Kooij v Pepijn Bastiaansen | 1-6,4-6 |
| UTR Pro Hilversum | 2023/06/05 06:00 | Arthur Van Der Kooij v Stijn Pel | 2-6,1-6 |
| UTR Pro Hilversum | 2023/05/03 06:00 | Arthur Van Der Kooij v Aloys J W Van Baal | 4-6,1-6 |