The change was needed by the Auto GP partner series
Image may be NSFW.
Clik here to view.Date switch in the Auto GP calendar between Imola and Portimão. The host of the opening round of the series will be the Algarve circuit, on April 18, while the Imola event has been moved to become the second weekend of the championship.
The changed was needed by the Auto GP partner series, the International GT Open, and Coloni Motorsport decided to support it, in order to maintain also in the debut weekend the association between single-seaters and GT racing, something that will give the Portuguese spectators an unforgivable show.
So, here is the series new calendar
April 16-18 Portimão (P)
May 21-23 Imola (I)
June 25-27 Spa-Francorchamps (B)
July 9-11 Magny-Cours (F)
September 18-19 Brands Hatch (UK)
October1-3 Monza (I)
source: autogp.org