[1] He replaced Georgios Printezis, as the youngest Greek born Olympiacos player to ever play in a EuroLeague game,[2] and the second youngest Olympiacos player to ever play in a EuroLeague game overall, after Aleksej Pokuševski.

In 21 league games, he averaged 6.9 points, 2.1 rebounds, 2.3 assists and 1.4 steals in 19 minutes per contest.

In 19 league games, Nikolaidis averaged 6.7 points, 2.6 rebounds and 2 assists in 21 minutes per contest.

[4] Nikolaidis' father, Sotos, is a former professional basketball player and a coach.His brother Apostolos (b.

2006) is also a professional basketball player, while their grandfather Apostolos Savvoulidis was playing as goalkeeper for PAOK.