Stadium: Court 1 Round: 44 Ground: Carpet indoor
| ITF Germany F16 | 2018/10/21 08:00 | Roy Sarut De Valk v David Eisenzapf | 6-4,3-6,6-3 |
| ITF Germany F16 | 2018/10/21 08:00 | Patrick Mayer v Roy Sarut De Valk | 3-6,2-6 |
| ITF Netherlands F3 | 2018/07/07 14:00 | Benjamin Dhoe v Roy Sarut De Valk | 6-4,2-6,6-4 |
| ITF Netherlands F3 | 2018/07/07 11:30 | Roy Sarut De Valk v Corbin Benson | 6-3,6-1 |
| ITF Germany F4 | 2018/06/20 11:45 | Roy Sarut De Valk v Matthew Dellavedova | 6-7,7-5,0-6 |
| ITF Germany F4 | 2018/06/20 10:30 | Roy Sarut De Valk v Matthew Dellavedova | 6-7,7-5,0-5 |
| ITF Germany F4 | 2018/06/18 11:00 | Roy Sarut De Valk v Karlo Cubelic | 6-1,6-1 |
| ITF Kuwait F1 Qual | 2017/10/28 10:00 | Roy Sarut De Valk v Yuichiro Inui | 5-7,1-6 |
| ITF Germany F16 | 2018/10/21 08:00 | Sizya Ernest Kivanda v Amadatus Admiraal | 6-3,6-3 |
| ITF Germany F16 | 2018/10/21 08:00 | Sizya Ernest Kivanda v Niklas Guttau | 7-5,6-4 |
| ITF France F22 | 2018/10/15 13:55 | Benjamin Pietri v Sizya Ernest Kivanda | 6-2,6-3 |
| ITF France F22 | 2018/10/14 12:35 | Clement Chidekh v Sizya Ernest Kivanda | 1-6,5-7 |
| ITF Sweden F5 | 2018/10/01 12:00 | Sizya Ernest Kivanda v Linus Frost | 6-7,2-6 |
| ITF Sweden F5 | 2018/09/30 08:00 | Sizya Ernest Kivanda v Jakob Arvidsson Ehn | 7-5,6-1 |
| ITF Sweden F5 | 2018/09/29 08:00 | Linh Giang Trinh v Sizya Ernest Kivanda | 2-6,3-6 |
| ITF Great Britain F6 | 2018/09/26 11:55 | George Houghton v Sizya Ernest Kivanda | 6-1,6-2 |