| Deichmann, Esteban Horacio2308 | 0-1 | Gkavardinas, Antonios2304 | Titled Tue 9th Jun 2026 | 2026 |
| Niyazmetov, R2121 | 0-1 | Deichmann, Esteban Horacio2308 | Titled Tue 9th Jun 2026 | 2026 |
| Deichmann, Esteban Horacio2308 | 0-1 | Mendes Aaron Reeve2340 | Titled Tue 9th Jun 2026 | 2026 |
| Garcia Correa, J2103 | 1-0 | Deichmann, Esteban Horacio2308 | 3rd 3-0 Thu 4th Jun 2026 | 2026 |
| Deichmann, Esteban Horacio2308 | 0-1 | Javakhadze, Z2423 | 3rd 3-0 Thu 4th Jun 2026 | 2026 |
| Deichmann, Esteban Horacio2308 | 1-0 | Evans Quek, S2280 | 3rd 3-0 Thu 4th Jun 2026 | 2026 |
| Taher, Yoseph Theolifus2451 | 1-0 | Deichmann, Esteban Horacio2308 | 3rd 3-0 Thu 4th Jun 2026 | 2026 |
| Deichmann, Esteban Horacio2349 | 1-0 | Sanz, L2089 | 4th Buenos Aires Open | 2026 |
| Deichmann, Esteban Horacio2349 | 0-1 | Contin, D2193 | 4th Buenos Aires Open | 2026 |
| Beckerman, M1898 | ½-½ | Deichmann, Esteban Horacio2349 | 4th Buenos Aires Open | 2026 |
| Deichmann, Esteban Horacio2349 | 0-1 | Avramidou, Anastasia2320 | 3rd 3-0 Thu 14th May 2026 | 2026 |
| Ocampos, I2240 | 0-1 | Deichmann, Esteban Horacio2349 | 3rd 3-0 Thu 14th May 2026 | 2026 |
| Deichmann, Esteban Horacio2349 | 0-1 | Rosen, E2377 | 3rd 3-0 Thu 14th May 2026 | 2026 |
| Pyrih, Roman2399 | 1-0 | Deichmann, Esteban Horacio2349 | 3rd 3-0 Thu 14th May 2026 | 2026 |
| Nurzhanov, Timur2207 | 1-0 | Deichmann, Esteban Horacio2349 | 1st 3-0 Thu 14th May 2026 | 2026 |