His career began in 2006 in the ADAC Dacia Logan Cup. After participating in 2007, he moved to the newly founded ADAC GT Masters, which he completed for the team Reiter Engineering Lamborghini Gallardo GT3 in the first season as the overall winner of the ADAC GT Masters 2007.
In 2008 he continued his career in the same series and the same team. His team-mate, with whom he was runner-up in 2008, was Prince Albert von Thurn und Taxis. In parallel, he won 2008 on a KTM X-Bow GT4 European Cup in the Super Light class.
In 2009 he started on a Audi R8 LMS Team Phoenix Racing in the FIA GT3 European Championship and completed guest starts in the ADAC GT Masters, he also took also as a guest driver in the BFGoodrich Endurance Championship on a BMW M3 of Team Motorsports Lingmann and a Porsche 911 GT3 Cup S from the team Mühlner part. He finished the season as European champion in the FIA GT3 European Championship from. In December 2009 he was elected by the ADAC Northern Bavaria for the third time in a row Racer of the Year.
2010 started Haase in the FIA GT1 World Championship with the Dutchman Peter Kox in a Lamborghini Murciélago R-GT for the team Reiter Engineering. The 12- hour race at Sepang in Malaysia he was able to achieve the first place. For Mercedes -Benz, he won together with Thomas Hunter its first victory of the Mercedes -Benz SLS AMG GT3 16 October 2010 at the 34th DMV 250 - mile race. Since 1998, Mercedes -Benz had been able to celebrate no more success on the North Loop of the Nürburgring.
In 2011, Haase took with Phoenix Racing in the German ADAC GT Masters, in some VLN races and at the 24 -hour race at the Nürburgring and at Spa -Francorchamps in part. He finished the season as runner-up from the German GT Championship. Other matches he drove GT3 European Championship (first place on Audi R8 LMS) and in the FIA GT1 World Championship (second place on Lamborghini Murcielago ) in the FIA .
2012 Haase drove the new Audi R8 LMS ultra in the European Blancpain Endurance Series. The vehicle was brought from WRT Racing Team at the start. In addition, Haase struggled with Phoenix Racing in the VLN Endurance Championship and the 24 -hour race at the Nürburgring for the places. There, Christopher Haase was able to celebrate together with the vehicle manufacturer Audi its first overall victory in this race. The German driver quartet Basseng / Christopher Haase / Frank Stippler and Winkelhock won with an Audi R8 LMS ultra (# 3). This win was in 2012 for Audi and for all four drivers, the first overall victory in this race. Christopher Haase ended in 2012, the Blancpain Endurance Series with his team mates Christopher Mies and Stéphane Ortelli as the overall winner.
2013 Christopher Haase started for the first time in the 24 Hours of Daytona in the Grand AM class. Furthermore, he went again at the 24 -hour race at the Nürburgring and at Spa at the start. Besides participating in the Blancpain Endurance Series Haase started together with the former DTM driver Rahel Frey with an Audi R8 LMS ultra for Prosperia C. Abt Racing in the ADAC GT Masters.
2014 was Christopher Haase again at the 24 Hours of Daytona at the start, where he was able to secure pole position for the race. Due to a technical problem but he could not defend this position.