A youth product of Le Havre AC since 2009, Tiéhi signed his first professional contract on 17 May 2018.[1] He made his senior debut for Le Havre in a 2–0 Coupe de la Ligue win over Football Bourg-en-Bresse Péronnas 01 on 14 August 2018.[2] During his time at Le Havre, Tiéhi also had a brief loan spell at Portuguese side, AD Oeiras in 2016.[3][4]
On 23 September 2019, it was confirmed that Tiéhi had moved to Woking.[5] On 12 October 2019, Tiéhi joined National League South side, Tonbridge Angels on a dual-registration basis, making his debut in a 5–1 victory over Braintree Town on the same day.[6] On 6 February 2020, it was announced that Christ would be signing for Tonbridge for the remainder of the season.[7] On 21 September 2020, despite extending his stay for the 2020–21 campaign, Tiéhi opted to return to France for personal reasons.[8]
On 21 November 2020, Tiéhi signed for Czech First League side, Opava for the remainder of the campaign and went onto make his debut, starting in a 6–0 home defeat to Slavia Prague.[9] On 11 August 2021, Tiéhi scored his first goal for the club, netting in Opava's 9–0 home victory over Bohumín in the Czech Cup.[10] He went onto score once more, featuring 26 times in total for the club before leaving in September 2021.
On 7 September 2021, Tiéhi was rewarded with a move back to the Czech First League, following Opava's relegation, to join Slovan Liberec[11] and made his debut during a 2–2 draw with Pardubice four days later.[12]
In July 2022, Tiehi joined Slavia Prague on a half-season loan.[13] On 13 January 2023, Tiéhi was loaned to Wigan until the end of the season.[14][15]
