Ișfan made his senior debut for his hometown club Mioveni on 9 March 2019, in a 0–2 loss to Metaloglobus București in the Liga II championship. He registered his first goal in the competition on 15 May that year, scoring in a 6–0 away thrashing of Dacia Unirea Brăila.
Argeș Pitești
On 20 April 2021, Ișfan signed with nearby Liga I team Argeș Pitești for a rumoured transfer fee of €50,000,[1] with Mioveni also retaining 45% interest on the capital gain of a potential future sale.[2] He made his professional debut on 17 July by starting in a 0–1 league loss to Universitatea Craiova.[3]
In the winter transfer window of 2022, four-time defending champions CFR Cluj were interested in acquiring Ișfan, but a deal could not be agreed upon.[4] He went on to amass 43 games and four goals in all competitions during his first season with "the White-Violets", as they finished on the sixth place overall in the league table.
On 29 July 2022, amid rumours of transfer bids from Universitatea Craiova and FCSB, Ișfan netted his first career double in a 3–1 Liga I defeat of recently promotedUniversitatea Cluj.[5] On 9 August, it was announced that FC Argeș acquired his remaining federative rights for an undisclosed fee.[6]
Universitatea Craiova
On 4 January 2023, Ișfan was transferred to Universitatea Craiova for a rumoured fee of €650,000 plus 25% interest. He signed a three-and-a-half-year deal with the option of another year with the Alb-albaștrii.[7]
Ișfan played 16 matches during the remainder of the season, of which 13 as a starter, but failed to score any goal. His poor form continued, and on 17 January 2024 was sent on a one-and-a-half-year loan to fellow Liga I club Petrolul Ploiești.[8]
