At a height of 1.96 m (6 ft 5 in) tall, he played at the shooting guard position.

He is among the all-time leaders in the history of the Greek Basket League in points scored,[2] assists, 3 pointers made, and games played (since the 1992–93 season).

for 10 consecutive years, and in the process, he became the team's all-time number one ranked player in modern-era Greek League competitions (since the league has been organized by HEBA 1992–present) in the following categories: points scored, games played, assists, and free throws made.

decided to release Chatzis, and thus he continued his career with the Greek club Olympiacos.

He also tallied a total of 69 caps, and 336 points scored with the senior men's Greek national basketball team.