|14 Dec 19||Panionios BC  ||-|| Larisa BC|
|21 Dec 19||Ionikos Nikaias  ||-|| Panionios BC|
|28 Dec 19||Panionios BC  ||-|| Panathinaikos BC|
|04 Jan 20||Panionios BC  ||-|| Kolossos BC|
|11 Jan 20||Ifaistos Limnou  ||-|| Panionios BC|
|08 Dec 19||Aris BC|| ||80 - 86|| ||Panionios BC|
|30 Nov 19||Panionios BC|| ||97 - 87|| ||PAOK BC|
|23 Nov 19||Promitheas Patras|| ||87 - 76|| ||Panionios BC|
|16 Nov 19||Panionios BC|| ||71 - 77|| ||Lavrio BC|
|02 Nov 19||AEK BC|| ||91 - 61|| ||Panionios BC|
Panionios B.C. (Greek: Πανιώνιος KAE), known in European competitions as Panionios Athens is the Greek professional basketball club that is based in Nea Smyrni, Athens, and that plays its home games in Palaio Faliro, Athens, Greece. The club is also widely known as Πανιώνιος Γυμναστικός Σύλλογος Σμύρνης, or Panionios Gymnastikos Syllogos Smyrnis, which is the Pan-Ionian Gymnastic Club of Smyrna. This is usually abbreviated to the club name of Πανιώνιος Γ.Σ.Σ. Panionios B.C. is the basketball department of the Panionios Gymnastic Club that is based in Nea Smyrni, Athens.
Panionios B.C. has been a long-time club of the top-tier level Greek Basket League, which is considered one of the best national domestic basketball leagues in Europe. Panionios B.C. has also competed in the European-wide top-tier level EuroLeague. For sponsorship reasons, the club has also been known as Panionios On Telecoms, and Panionios Forthnet. Recent previous owners of the club were Elias Lianos, the founder of Proton Bank, Antonis Margetis, and Ion G. Varouxakis.
Some of the well-known players that have played with the club over the years have included: Faidon Matthaiou, Takis Koroneos, Makis Dendrinos, Dimitris Fosses, Kostas Missas, Fanis Christodoulou, Boban Janković, P. J. Brown, Panagiotis Giannakis, Henry Turner, Thurl Bailey, Travis Mays, Žarko Paspalj, Byron Dinkins, Mitchell Wiggins, Theo Papaloukas, Jure Zdovc, Laurent Sciarra, Nikos Chatzis, Georgios Sigalas, Angelos Koronios, Dimos Dikoudis, Nikos Oikonomou, Georgios Diamantopoulos, Stratos Perperoglou, Michalis Pelekanos, Ender Arslan, Miloš Vujanić, Alex Stepheson, Errick McCollum, and Tyrese Rice, among others.
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