He went to Saudi Arabia and worked there at one of the biggest clubs, Al Nassr, as the coach of the under-19 team with which he won the Cup winner title and the second place in the Championship.
The team's great games also resulted in higher prices for some players, so his tenure will remain marked by the sales of two young footballers whose career originated from Poljud, under his leadership; Ante Palaversa was sold to Manchester City and Domagoj Bradarić to Lille.
[9] Oreščanin's Hajduk was adorned with a great game, with Mijo Caktaš imposing himself as the creator, who exploded in the second part of the season after only three goals in the first part of the season and won the title of the top scorer of the Croatian First League, whose numerous attributes were owned precisely to Oreščanin's style of play.
[11][12] In the Hajduk history books, Oreščanin will remain inscribed as the coach with the best average points earned in the Croatian First League since independence.
[14][15] On 24 May 2021 after Gorica failed to secure a spot in the 2021–22 Europa Conference League second qualifying round through the national championship, Oreščanin was sacked by the club together with his assistant, Goran Rosanda.