Career
Being the middle of the three children of Dijana and Srđan Đoković, younger brother of Novak Djokovic and elder to Đorđest Marko Djokovic appeared on the junior International Tennis Federation circuit in September 2006. In July 2007, he failed to qualify on the Croatia Open Umag, losing to Pablo Andújar 6–2, 6–1 in the 1st round of qualifying.
Djokovic also has lost in two Futures tournaments in Novi Sad in the first round, both times to compatriot Saša Stojisavljević.
He contested the Australian Open Juniors in 2008, losing in the first round to Clifford Marsland in 3 sets. In July 2008, Djokovic received a wildcard entry into the qualifying rounds of the Croatia Open in Umag but was beaten by Italian Francesco Piccari.
In September 2008, in his first ever main Association of Tennis Professionals Tour event, he received a wild card entry into the main draw of the Thailand Open. He was defeated in the first round by Jarkko Nieminen 6–2, 6–0.
On May 7, 2009, Djoković, with Darko Madjarovski (both wildcards), defeated Association of Tennis Professionals Doubles world number 2 duo Daniel Nestor and Nenad Zimonjić, by 7–6, 2–6, 10–6, in the opening round of the Serbia Open, an Association of Tennis Professionals World Tour 250 tournament.
Djoković was given a wildcard for the 2012 Dubai Duty Free Tournament, and opened the Association of Tennis Professionals 500 event against Andrei Golubev of Kazakhstan, losing in straight sets.
