Stadium: Court 3 (CC) Round: 27 Ground: Clay
| ITF Latvia F1 | 2018/08/01 11:50 | Slobodchikov, Ronald v Portales, Nino | 6-2,6-0 |
| ITF Lithuania F1 | 2018/07/25 08:00 | Stevens, Bart v Slobodchikov, Ronald | 6-4,7-5 |
| ITF Lithuania F1 | 2018/07/24 12:30 | Tverijonas, Aleksas v Slobodchikov, Ronald | 3-6,5-7 |
| ITF Georgia F2 | 2018/07/20 06:00 | Slobodchikov, Ronald v Oleg Prihodko | 2-6,7-5,3-6 |
| ITF Georgia F2 | 2018/07/19 06:00 | Slobodchikov, Ronald v Nikita Mashtakov | 7-5,4-6,6-0 |
| ITF Georgia F2 | 2018/07/17 09:00 | Slobodchikov, Ronald v Kiyamov, Timur | 6-3,6-3 |
| Challenger Perugia Qual | 2018/07/08 14:45 | Slobodchikov, Ronald v Escobar, Gonzalo | 4-6,6-3,2-6 |
| Challenger Marburg Qual | 2018/07/02 10:00 | Slobodchikov, Ronald v Elliot Benchetrit | 3-6,5-7 |
| ITF Latvia F1 | 2018/08/01 07:00 | Grinvalds, Roberts v Ivan Liutarevich | 6-1,6-1 |
| ITF Latvia F1 | 2018/07/31 10:00 | Soyfer, Daniel v Grinvalds, Roberts | 6-3,3-6,4-6 |
| ITF Latvia F1 | 2018/07/29 07:00 | Grinvalds, Roberts v Vaise, Tomas | 4-6,6-3,6-4 |
| ITF Latvia F1 | 2018/07/28 07:00 | Grinvalds, Roberts v Abou Khamis, Mohammad Khaled | 6-0,6-0 |
| ITF Lithuania F1 | 2018/07/25 11:55 | Vrzesinski, Robertas v Grinvalds, Roberts | 6-2,2-6,6-1 |
| ITF Lithuania F1 | 2018/07/24 13:25 | Grinvalds, Roberts v Joao Lucas Reis da Silva | 4-6,6-4,7-6 |
| ITF Lithuania F1 | 2018/07/22 08:00 | Hermans, Mats v Grinvalds, Roberts | 3-6,3-6 |
| ITF Lithuania F1 | 2018/07/21 13:00 | Russo, Cristiano v Grinvalds, Roberts | 0-6,1-6 |