Tomislav Draganja mainly plays on the ATP Challenger Tour and the ITF Future Tour . He celebrated nine double titles on the Future Tour. So far, he has won three doubles tournaments on the Challenger Tour, both with his older brother Marin Draganja . He made his debut on the ATP World Tour in 2016 thanks to a wildcard in Umag alongside Nino Serdarušić . The two reached the quarter-finals. The following year he played again in Umag and this time moved into the final with his brother Marin, which they lost in a match tie-break against Guillermo Durán and Andrés Molteni .