Brazil election: Lula has 51% of voter support versus 43% for Bolsonaro, poll finds
The survey by IPEC taken over the three days since the first-round vote found Lula with 51% voter support against Bolsonaro's 43%, with a margin of error of two percentage points.
...
Centrist Brazilian Senator Simone Tebet, who finished third in Sunday's first round and was therefore eliminated from the race, on Wednesday said she was throwing her support behind Lula.
The support of Tebet, who received nearly 5 million votes, gives the former president a boost as he pitches his campaign as a broad center-left coalition to unseat Bolsonaro.
...
On Tuesday, Lula also secured the support of the fourth-placed candidate, leftist Ciro Gomes, who went along with the decision of his Democratic Labor Party to back Lula but who did not provide the same ringing public endorsement.
https://www.reuters.com/world/americas/lula-gets-support-third-place-candidate-brazil-presidential-race-2022-10-05/
Getting the 3rd placed centrist's support seems a good start to the run-off.