In February 2014, he had season-ending injury, after breaking his arm in Turkish Cup game against Trabzonspor.

[9] On August 6, 2019, Sipahi signed a two-year deal with Spanish club Coosur Real Betis.

[14] On June 21, 2022, he signed with Pınar Karşıyaka of the Basketbol Süper Ligi (BSL) for as second stint after six years.

[15] On January 7, 2025, he signed with Bahçeşehir Koleji of the Turkish Basketbol Süper Ligi (BSL).

Also he played at the EuroBasket 2017 with Turkey's men's basketball national team Sipahi is fluent in Turkish, Albanian, Serbian and English languages.

[17] He married Albanian model Ilda Abazi in July 2021 in a lavish ceremony at the Ciragan Kempinski palace in Istanbul.