Karol Nawrocki has won Poland’s presidential runoff election, according to the final results released by the National Electoral Commission (PKW) on Monday.

Nawrocki, an independent candidate supported by the opposition Law and Justice (PiS) party, secured 50.89 percent of the vote, narrowly defeating Civic Coalition (KO) candidate and Warsaw Mayor Rafal Trzaskowski, who received 49.11 percent, according to Xinhua.

Nawrocki, a historian and director of the Institute of National Remembrance, ran his first presidential campaign as an underdog, consistently trailing in polls. Despite early exit polls predicting defeat, he emerged victorious.

Born in 1983 in Gdansk, Nawrocki will take office on August 6, succeeding President Andrzej Duda at the end of his second and final term, Xinhua reported.