# UEFA Europa League: Jagiellonia vs Olympiacos details

> Live situation record from CLSTR: https://clstr.news/situations/uefa-europa-league-officiating-assignments
> Updated: 2026-09-14T08:09:39.000Z. Sources: 17. Developments: 2.

As Jagiellonia Białystok prepares for its UEFA Europa League league phase debut, recent updates confirm the match will take place against Olympiacos F.C. at the Georgios Karaiskakis Stadium in Greece.

Olympiacos has undergone a coaching change, appointing Imanol Alguacil to replace Jose Luis Mendilibara following a loss to OFI Crete. Jagiellonia, led by coach Adrian Siemiec, enters the fixture with momentum from recent performances despite the challenging atmosphere expected in Piraeus.

New details regarding the fixture indicate the match is scheduled for September 16 and will be officiated by German referee Harm Osmers.

Broadcasting details for the match in Poland have been finalized through Polsat, with coverage scheduled on Super Polsat, Polsat Sport 1, and Polsat Sport Premium 1.

## Timeline

### 2026-09-14: Poland volleyball team wins Group B at European Championship

Poland's men's volleyball team secured first place in Group B at the 2026 European Championship after a 3-0 sweep of Ukraine, advancing to the knockout stage without dropping a set this tournament.

14 sources. https://clstr.news/cluster/uefa-appoints-refereeing-crew-for-olympiacos-vs-jagiellonia

### 2026-08-26: Giovanni Ayroldi appointed fourth official for UEFA Europa League playoff

Italian referee Giovanni Ayroldi has been appointed fourth official for the UEFA Europa League playoff match between Iberia Tbilisi and Jagiellonia Białystok.

3 sources. https://clstr.news/cluster/giovanni-ayroldi-appointed-fourth-official-for-uefa-europa-league-playoff

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Cite as: UEFA Europa League: Jagiellonia vs Olympiacos details. CLSTR, https://clstr.news/situations/uefa-europa-league-officiating-assignments