- 8-Ball World Cup: Victory (2008)
- 9-Ball World Cup: Victory (1996 )
- 10-Ball Cup: Eighth Finalist (2008)
- 14/1 World Cup: Eighth Finalist (2006, 2008)
- U.S. Open (9- Ball): Victory (2002)
- WPM: (1994, 1996, 2000, 2002, 2006, 2011)
Since 1981, he has won more than 200 tournaments, including 40 German championships and over 30 European Championships predominantly in the 9-ball competition.
Souquet began at the age of six years with the billiards in the restaurant of his parents, where he trained up to five hours a day. His first junior title he won at the German Championships for juniors in 1982 at age 14.
1985 Souquet won his first European Junior Championships, but still on the team. 1986 was followed by his first solo European Championship in the junior. Since 1991, Souquet is professional. In 1996 he won the World Cup in the 9-Ball as the second German by Oliver Ortmann, said it was a year earlier succeeded.
In addition, he is 19facher European champion in men's singles, of which ten times in the 8-Ball ( 1989, 1991, 1992, 1993, 1994, 1995, 1998, 1999, 2000, 2003 ), five times in the 9-Ball (1995, 1997, 1998, 2006, 2010) and three times in 14 and 1 endless ( 1995, 1996, 1997). In 2010 he also won the 10-Ball, which was first played in the European Championships.
Other major achievements of his sporting career, the six victories at the World Pool Masters (1994, 1996, 2000, 2002, 2006, 2011), winning the U.S. Open 9- Ball in 2002, his three wins at the Derby City Classic 9- Ball (2004, 2006, 2008 ) and his 20 tournament victories on the euro Tour ( last 2013 event 127).
2008 Souquet finally succeeded in winning the World Cup in 8- ball, his second World Cup title.
In 2007, he played for a total of eleventh time in Europe at the Mosconi Cup and decided the deciding game with a 6-4 over Rodney Morris for himself and secured Europe so for the third time the Mosconi Cup. His nickname in the pool scene is The Emperor. In 2008, in his twelfth appearance he wore through six wins in six games decisive contribution that Europe could defend the title for the first time.
In 2009 he won the 9- ball tournament on the 8th World Games in Kaohsiung. At the World Cup of Pool 2009 he reached together with Thorsten Hohmann as Team Germany the finale, in which the two, however, the Filipino duo Reyes / Bustamante were subject 9:11. When Mosconi Cup 2009 (now its thirteenth participation ) but he was defeated in the last match Shane van Boening 2:6, which Team USA won with 11:7.