Stadium: Court 2 Round: 62 Ground: Clay
| ITF M15 Kursumlijska Banja | 2024/04/24 12:00 | Koki Matsuda v Lorenzo Ferri | 6-3,6-3 |
| ITF M15 Kashiwa | 2024/04/02 05:00 | Daisuke Sumizawa v Koki Matsuda | 6-3,3-6,6-3 |
| ITF M15 Kashiwa | 2024/04/01 05:40 | Yeongseok Jeong v Koki Matsuda | 6-7,5-7 |
| ITF M15 Kashiwa | 2024/03/31 01:00 | Ko Suzuki v Koki Matsuda | 3-6,5-7 |
| ITF M15 Tsukuba | 2024/03/25 06:00 | Ryotaro Taguchi v Koki Matsuda | 7-6,6-2 |
| ITF M15 Tsukuba | 2024/03/24 01:00 | Seon Yong Han v Koki Matsuda | 4-6,4-6 |
| ITF - M15 Nishi-Tokyo | 2024/03/20 06:50 | Koki Matsuda v Stefanos Sakellaridis | 7-5,6-7,4-6 |
| ITF - M15 Nishi-Tokyo | 2024/03/18 01:00 | Nico Hornitschek v Koki Matsuda | 2-6,3-6 |
| ITF M15 Kursumlijska Banja | 2024/04/24 12:00 | Matei Cristian Onofrei v Stephanos Schinas | 7-5,6-1 |
| ITF M15 Bragado | 2024/03/24 13:00 | Matei Cristian Onofrei v Lucca Guercio | 3-6,0-6 |
| ITF M15 Punta del Este | 2024/03/19 13:00 | Tobias Franco v Matei Cristian Onofrei | 6-2,6-4 |
| ITF M15 Punta del Este | 2024/03/18 13:00 | Nicolo Toffanin v Matei Cristian Onofrei | 7-6,3-6,14-16 |
| ITF M15 Punta del Este | 2024/03/11 16:30 | Santiago Russo v Matei Cristian Onofrei | 6-0,0-6,10-4 |
| ITF M25 Tucumán | 2024/02/25 12:30 | Matei Cristian Onofrei v Felipe Pagnacco | 5-7,5-7 |
| ITF M15 Villa María | 2024/02/18 13:00 | Matei Cristian Onofrei v Lautaro Agustin Corthey | 6-7,1-6 |
| ITF M15 Monastir | 2023/12/11 08:30 | Matei Cristian Onofrei v Edouard Villoslada | 3-6,1-6 |