The PSOL leadership has communicated its desire to the upper echelons of the PT to be included in the left-wing coalition set to contest the São Paulo government and Senate elections. The PSOL argues that the slate headed by Fernando Haddad for the governorship cannot be solely dominated by the PT, especially with speculations that Environment Minister Marina Silva may join the PT to run for the Senate. This move is seen as problematic, as it could sideline other leftist voices if the PT retains exclusive control over the election dynamics.

To mitigate this situation, the PSOL has proposed that Marina Silva either join their party or remain affiliated with the Rede party, which is in federation with PSOL. Currently, the proposed federation of Rede-PSOL is not included in the composition of the electoral slate, which is expected to feature Haddad for governor and Simone Tebet, likely from PSB, for the Senate. The evolving dynamics of these party relationships highlight the ongoing challenges and negotiations within Brazil's leftist political landscape.

The implications of this request by the PSOL extend beyond mere representation; it reflects a deeper tension within the left regarding power distribution and electoral strategy. As alliances and affiliations are negotiated leading up to the elections, the extent of collaboration—or contention—among leftist parties may significantly influence their performance in the polls, shaping Brazil's political contours for years to come.