Stadium: Court 3 Round: 62 Ground: Hardcourt outdoor
| ITF Spain F13 | 2018/05/26 07:00 | Maximilian Gatev v Sizya Ernest Kivanda | 6-3,4-6,6-7 |
| ITF Bulgaria F1 | 2018/05/12 07:00 | Sizya Ernest Kivanda v Hristo Valeov | 4-6,3-6 |
| ITF Nigeria F3 Qual | 2018/04/28 09:00 | Sizya Ernest Kivanda v Emmanuel Idoko | 6-1,2-6,4-6 |
| ITF Nigeria F2 Qual | 2018/04/21 13:30 | Sizya Ernest Kivanda v Sylvester Emmanuel | 6-7,6-7 |
| ITF Greece F5 | 2018/03/24 10:00 | Franco Feitt v Sizya Ernest Kivanda | 6-1,7-5 |
| ITF France F5 Qual | 2018/03/11 08:00 | Sizya Ernest Kivanda v Hugo Schott | 1-6,0-6 |
| ITF France F5 Qual | 2018/03/10 08:30 | Viacheslav Glebov v Sizya Ernest Kivanda | 1-6,0-6 |
| ITF Great Britain F3 Qual | 2018/02/11 15:00 | Evan Hoyt v Sizya Ernest Kivanda | 6-2,7-6 |
| ITF Portugal F9 | 2018/06/18 09:00 | Tiago Cacao v Roberts Grinvalds | 6-1,6-3 |
| ITF Portugal F9 | 2018/06/17 11:30 | Goncalo Ferreira v Roberts Grinvalds | 6-3,1-6,2-6 |
| ITF Portugal F9 | 2018/06/16 09:00 | Joao Ferreira v Roberts Grinvalds | 1-6,6-7 |
| Davis Cup | 2018/04/07 08:00 | Roberts Grinvalds v Serafin Zund | 6-0,6-0 |
| Davis Cup | 2018/04/04 07:00 | Roberts Grinvalds v Ioannis Stergiou | 0-6,4-6 |
| ITF Turkey F6 | 2018/02/10 06:00 | Collin Altamirano v Roberts Grinvalds | 6-0,6-3 |
| ITF Turkey F3 | 2018/01/23 11:00 | Maxim Ratniuk v Roberts Grinvalds | 6-3,6-3 |
| ITF Turkey F3 | 2018/01/23 07:30 | Alexandru Danes v Roberts Grinvalds | 3-6,3-6 |