# Greek basketball legal and administrative disputes > Live situation record from CLSTR: https://clstr.news/situations/greek-basketball-legal-and-administrative-disputes > Updated: 2026-10-26T13:26:18.000Z. Sources: 25. Developments: 2. Legal and administrative tensions have escalated between major Greek basketball clubs and governing bodies, involving both domestic and international complaints. Olympiacos BC has filed dual complaints with the EuroLeague and the Hellenic Basketball Clubs Association (ESAKE) against Panathinaikos AKTOR and its owner, Dimitris Giannakopoulos. These complaints stem from incidents during a match against Baskonia on October 22, 2026. The EuroLeague complaint focuses on Panathinaikos supporters at the OAKA arena, who allegedly displayed an insulting banner accusing Olympiacos of involvement in match-fixing and illicit payments, specifically targeting the club by writing ‘Piraeus’ in red ink. Supporters also reportedly chanted offensive slogans involving referee Vasiliki Tsarouha, GBL president Vangelis Liolios, and coach Georgios Bartzokas. Additionally, Olympiacos is targeting Giannakopoulos for his social media activity on Instagram, characterizing his posts as defamatory, insulting, and threatening. The club cites comments directed at coach Bartzokas that it interprets as a threat of physical violence, referencing a 2014 incident. Giannakopoulos has dismissed these accusations as baseless, stating his posts were intended to highlight issues regarding refereeing and the state of Greek basketball rather than to defame the coach. He has accused Olympiacos management of being ‘uneducated’ and questioned their integrity regarding past legal disputes. In a related legal development, Olympiacos announced that a lawsuit filed by Despoina Giannakopoulou against Vice President Giorgos Skindilias—stemming from incidents during the 2025 Basket League playoffs—was ruled groundless and permanently archived. Parallel to these allegations, Panathinaikos AKTOR continues its legal efforts regarding the Hellenic Basketball Referees Association (ODKE), having successfully utilized a court order to secure sensitive refereeing documents. ## Timeline ### 2026-10-26: Olympiacos BC files complaints against Panathinaikos and Dimitris Giannakopoulos Olympiacos BC has filed formal complaints with EuroLeague and ESAKE against Panathinaikos and owner Dimitris Giannakopoulos over offensive fan banners and defamatory social media posts. 20 sources. https://clstr.news/cluster/panathinaikos-bc-disputes-refereeing-allegations-involving-odke ### 2026-10-19: Olympiacos BC: Lawsuit against Giorgos Skindilias ruled groundless Olympiacos BC announced that a lawsuit filed by Despoina Giannakopoulou against Vice President Giorgos Skindilias was ruled groundless and has been archived. 8 sources. https://clstr.news/cluster/olympiacos-bc-lawsuit-against-giorgos-skindilias-ruled-groundless --- Cite as: Greek basketball legal and administrative disputes. CLSTR, https://clstr.news/situations/greek-basketball-legal-and-administrative-disputes