World No. 1 Novak Djokovic failed to win the Serbia Open title but Andy Roddick thought the Serb got everything he wanted from his campaign in Belgrade. After an early exit in Monte Carlo, Djokovic bounced back in Belgrade as he reached the final before losing in three sets to Andrey Rublev. Djokovic was down by a set in each of his first three Belgrade matches but recovered each time to beat Laslo Djere, Miomir Kecmanovic and Karen Khachanov, respectively. Rublev was also down by a set to Rublev but failed to complete a comeback win as Rublev won 6-2 6-7 (4) …