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