 Pari gbolohun yii: Fountoulis ni akọni to gba goolu julọ ninu idije agbaye 2017 pẹlu goolu 23 ati : Olùdíje nínú ìdíje ife ẹyẹ ilẹ Yúróòpù 2018 pẹlú góòlù 17 pẹlú Aleksandar Ivović. O dibo ninu Ẹgbẹ Gbogbo-ije ti 2015 World Championship ati Ẹgbẹ Gbogbo-ije ti 2017 World Championship. Fountoulis ti jẹ 20122017, lẹsẹsẹ tí ó ń gbá fún Olympiacos. O ti dibo fun MVP ti Greek Water Polo League ni igba mẹta ni awọn akoko 2012  13, 2014  15 ati 2016  17 ati igba mẹta Greek Cup MVP ni ọdun 2011, 2013 ati 2018. 