[2] In the same year, he founded the Tzabar party, heading its list for the 2009 Knesset elections,[3] However, it received only 0.14% of the vote and failed to pass the electoral threshold.

Prior to the April 2019 elections Yesh Atid joined the Blue and White alliance, with Toporovsky placed thirtieth on its list.

In the 2020 elections Toporovsky was again placed thirteenth on the Blue and White list and continued to manage the alliance's field office.

In December 2021 Toporovsky was elected to stand for a second time as the head of the subcommittee for the promotion of road safety on behalf of the economy committee.

After the elections, Toporovsky was appointed chairman of the Yesh Atid faction and the Opposition Whip and continued to serve as the head of the sub-committee for the promotion of road safety.