Born in Thessaloniki in 1977 and started playing tennis at the age of 5 (1982) at the Nautical Club of Thessaloniki. At the age of 8 he started following a daily competition program, participating in Pan-Hellenic Championships and the Greek Cup. He comes from a tennis family, his father Dimitris Tatsis has been active in the tennis sport since 1950 until today. From an early age, visiting tennis courts have become a daily habit and tennis was an integral part of his life.
His most important achievements as an athlete are as follows:
- 1991 Participation in the National Youth Team
- 1991 4th place in the junior finals.
- 1993 4th place in the junior finals.
- 1995 4th place in the junior finals.
- 1993 1st Victory at the Pan-Hellenic Junior Double Championship for athletes Under 16.
- 1995 3rd Place in Junior Double Championship for athletes Under 18.
- Participation in the Pan-Hellenic Championships of Greece with first and second places from 1991-1995.
- Participation in Men’s Interdisciplinary Championships from the age of 13 and above as a part of Nautical Club of Thessaloniki.
- 1996 Participation in Satellite Tournament $25,000.
- 1996 1st place in the Men’s category of Open Halkida.
- 1996 2nd place in the Greek Double Championship Men’s Cup in Open Corfu.
- 1997 Highest Rank in Men’s Ranking (9th Place).
Graduated from General Lyceum (1995) and in 2002 obtained the Diploma and the Professional Exercise License, after written examinations, by the General Secretariat of Sports. He is married and has two kids.
His coaching career is as follows:
- 1998 MGSK Apollon Kalamarias Thessaloniki, managing pre-competitive divisions of 11-15 years old.
- 1999 – 2001 Fthiotikios Tennis Club, Tennis Club Lamia, being in the position of Head Coach, with a goal of organizing and developing the Academy, as well as the promotion of athletes and their distinction with the National Team of Greece (Michalis Zikas, Nikos Malamos).
- 2001 – 2008 MGSK Apollon of Kalamaria Thessaloniki, taking pre-competitive and competitive divisions of 12-16 years old, with distinctions (Tasos Pavlis).
- 2008 – 2017 Nautical Club of Thessaloniki (NCT), created and organized the Academy with the aim of developing and highlighting the departments, in the position of Head Coach
- 2017 – Fairplay Tennis Club, head coach and assistant manager