Round: 1
| Baltic Tennis League | 2020/06/11 07:00 | Kazijevs, Arturs v Vinogradovs, P. | 6-1,4-6,2-6 |
| Baltic Tennis League | 2020/06/10 09:40 | Kulibaba, Artur v Kazijevs, Arturs | 5-7,3-6 |
| Baltic Tennis League | 2020/06/03 10:50 | Kazijevs, Arturs v Berzins, Arvis | 4-6,6-2,6-3 |
| Baltic Tennis League | 2020/06/02 07:00 | Lukstins, Gustavs v Kazijevs, Arturs | 6-3,6-4 |
| Exhibition | 2020/04/04 12:00 | Kazijevs, Arturs v Kazijevs, Maksims | 6-2,6-3 |
| Exhibition | 2020/04/04 06:13 | Kazijevs, Arturs v Petrovs Dukats, Daniels | 6-1,6-3 |
| ITF USA F21 | 2016/06/22 14:00 | Christopher Eubanks v Kazijevs, Arturs | 6-2,7-6 |
| ITF USA F21 Qual | 2016/06/20 16:05 | Beren, Samuel v Kazijevs, Arturs | 3-6,4-6 |
| Baltic Tennis League | 2020/06/23 12:25 | Karlis Ozolins v Mandma, Alexander Georg | 6-1,6-2 |
| Coupe Davis | 2020/03/06 15:00 | Karlis Ozolins v Mohamed Safwat | 6-7,5-7 |
| Trnava, Singles Main, M-ITF-SVK-03A | 2020/03/01 10:00 | Kalenichenko, Danylo v Karlis Ozolins | 6-4,6-4 |
| Trnava, Singles Main, M-ITF-SVK-03A | 2020/02/29 10:00 | Vitaliy Sachko v Karlis Ozolins | 3-6,5-7 |
| Trnava, Singles Main, M-ITF-SVK-03A | 2020/02/28 10:00 | Petr Michnev v Karlis Ozolins | 6-7,6-7 |
| Trnava, Singles Main, M-ITF-SVK-03A | 2020/02/27 11:15 | Karlis Ozolins v Dalibor Svrcina | 3-6,6-4,6-4 |
| Trnava, Singles Main, M-ITF-SVK-03A | 2020/02/26 14:10 | Aichhorn, Jakob v Karlis Ozolins | 6-4,6-7,3-6 |
| ITF Egypt F9 | 2018/03/11 12:00 | Hoyt, Evan v Karlis Ozolins | 7-6,6-3 |