The 24-year-old player spent the last two seasons on loan to Panionios, with more than 35 performances for all competitions, while the Reds are planning to extend his current contract until the summer of 2021.
[6] On 1 September 2017, after the acquisition of ex-international goalie Silvio Proto, Giannotis is not in the season plans of Albanian manager of the Reds, Besnik Hasi, and he solved his contract with the club, in order to find more playing time.
[7] On 4 September 2017, Atromitos officially announced the signing of goalkeeper Andreas Gianniotis, who was recently released from Olympiacos, until the end of 2018–19 season.
[8] On 4 November 2017, in a goalless home Superleague draw game against rivals Panionios, Giannotis kept a 8 in a row clean sheets, entered as the new no.7 at the Top 10 of all time performances for the Greek championship.
[10] On 9 August 2018, he made his international debut in a 4–0 home win UEFA Europa League Third qualifying round, 1st leg game against FC Luzern.