17 games in the PremovedPrep archive. Games as White.
| White | Black | Result | ECO | Event | Date |
|---|---|---|---|---|---|
| Sopko, Cassio Roberto | Ten Hacken, Jos | 1/2-1/2 | D02 | World Senior Team 2025 S65 | 2025-02-24 |
| Sopko, Cassio Roberto | Dos Santos Junior, Haroldo Cunha | 0-1 | D00 | Round 4: Sopko, Cassio Roberto - Dos Santos Junior, Haroldo Cunha | 2024-08-24 |
| Sopko, Cassio Roberto | Caio,Francisco Ferreira Sotero | 1-0 | D00 | Round 2: Sopko, Cassio Roberto - Caio,Francisco Ferreira Sotero | 2024-08-23 |
| Sopko, Cassio Roberto | Gomes, Genildo De Souza | 1/2-1/2 | A40 | Campeonato Brasileiro Senior +65 STD 2023 | 2023-08-18 |
| Sopko, Cassio Roberto | Goetten Wagner, Julia | 1/2-1/2 | A45 | 87o Campeonato Brasileiro Absoluto Final Aberta | 2021-11-02 |
| Sopko, Cassio Roberto | Rosa, Diego Jesus Vieira | 1/2-1/2 | A45 | 87o Campeonato Brasileiro Absoluto Final Aberta | 2021-10-31 |
| Sopko, Cassio Roberto | Pironti, Francisco Ferrari | 1/2-1/2 | D00 | 87o Campeonato Brasileiro Absoluto Final Aberta | 2021-10-30 |
| Sopko, Cassio Roberto | De Avelar, Flavio Henrique | 0-1 | A45 | 87o Campeonato Brasileiro Absoluto Final Aberta | 2021-10-29 |