Sinovec grew up with
Ušće Vizura Belgrade juniors and made his debut with
Vizura during the 2005–06 season. He played there till February 2009, when he moved to Ukraine and signed for the remainder of the season by
Khimik. He returned to Serbia for the 2009–10 season and signed with
Partizan. For the 2010–11 season he moved to
Metalac Valjevo. In 2011 he goes to
Radnički Kragujevac. In July 2013, he signed a one-year deal with the Macedonian club
MZT Skopje and won the
Macedonian League and
Macedonian Cup. In June 2014, he signed with
Szolnoki Olaj KK of Hungary for the 2014–15 season. In December 2014, he left Szolnoki and signed with his former team MZT Skopje. For the 2015–16 season he moved to
Krka. In October 2016, Sinovec returned to MZT Skopje for the 2016–17 season. On 4 September 2017 Sinovec signed with
Mega Bemax. On 19 March 2018 he left Mega Bemax and signed with
MZT Skopje. In August 2020, Sinovec signed a one-year contract with Hungarian club
Kaposvári KK that plays in the
NB I/A. In January 2021, he signed back to Metalac. In March 2022, he signed for
GKK Šibenka for the rest of the
2021–22 season. ==References==