Stadium: Court 5 Round: 45 Ground: Hardcourt outdoor
| ITF M15 Oslo | 2019/03/10 10:00 | Emil Ruusuvuori v Mick Veldheer | 6-1,6-4 |
| ITF M15 Oslo | 2019/03/09 10:00 | Savriyan Danilov v Mick Veldheer | 6-4,0-6,6-7 |
| ITF M15 Oslo | 2019/03/07 09:00 | Filip Bergevi v Mick Veldheer | 5-7,6-2,6-7 |
| ITF M15 Oslo | 2019/03/06 11:00 | Mick Veldheer v Leyton Rivera | 6-1,6-4 |
| ITF M15 Oslo | 2019/03/05 10:20 | Mick Veldheer v Baker Newman | 6-3,6-2 |
| ITF M15 Oslo | 2019/03/04 09:00 | Mick Veldheer v Christian Linge | 6-3,6-1 |
| ITF M15 Kaarst | 2019/02/07 13:10 | Igor Sijsling v Mick Veldheer | 6-2,6-2 |
| ITF M15 Kaarst | 2019/02/06 19:20 | Mick Veldheer v Marek Gengel | 6-1,6-4 |
| ITF M15 Sharm El Sheikh | 2019/03/11 08:00 | Ken Onishi v George Tsivadze | 3-6,6-2,8-10 |
| ITF M15 Sharm El Sheikh | 2019/03/06 12:35 | Ken Onishi v George Tsivadze | 3-6,6-2,3-6 |
| ITF Pakistan F3 | 2018/12/17 05:30 | Ken Onishi v Lorenzo Bocchi | 6-7,3-6 |
| ITF Czech Republic F4 Qual | 2018/06/23 08:00 | Ken Onishi v Samuel Puskar | 3-6,3-6 |
| ITF Hungary F4 | 2018/06/12 11:25 | Patricio Heras v Ken Onishi | 3-6,6-3,6-1 |
| ITF Hungary F4 Qual | 2018/06/11 08:00 | Ken Onishi v Kristjan Tamm | 6-3,2-6,6-3 |
| ITF Hungary F4 Qual | 2018/06/10 08:00 | Ken Onishi v Boris Butulija | 6-4,6-7,6-4 |
| ITF Czech Republic F3 | 2018/05/31 12:35 | Marek Jaloviec v Ken Onishi | 6-2,6-3 |