Robin Frijns brief flirtation with F1 may have left a bitter taste, but the Dutchman says he can understand Sauber's decision to drop him within a year.

The reigning World Series by Renault champion was expected to be a hot property ahead of the 2013 campaign but, despite interest from various teams, ultimately wound up as reserve at Hinwil after testing with Sauber over the winter. His deal, however, did not include a guarantee of Friday practice outings and threatened to leave Frijns with a lack of track time.

Although he subsequently did a deal to race in GP2, that also proved to be fraught, with several money-related absences interspersing strong runs with the new Hilmer team. Having returned to the line-up at Spa two weekends ago, the 22-year old has again been benched for Monza, with Jon Lancaster returning to the line-up.

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While his race season has been frustrating, however, Frijns could at least cling to his relationship with Sauber, in the hope that it may yield something bigger for the future. However, even as it appears that there may be an opening in 2013, the Dutchman is unlikely to be considered, having been dropped by the equally cash-strapped team to make way for Sergey Sirotkin and the Russian backing he brings.

"I heard [the news] on Wednesday morning, so that was a nice way to wake up!" Frijns revealed to GPUpdate.net. "Of course, I know what the situation is with Sauber and that they have financial difficulties. I knew that my position was in danger. You keep hoping for good news, but it did not come. I cannot blame Sauber, this is just part of the sport."

Having made a rapid ascent through the junior ranks, Frijns is determined not to lose too much momentum, despite appearing to have hit the 'glass ceiling' separating talent from F1.

"We will continue [to look for a drive]," he insisted, "I am now free and, hopefully, there are teams that want to talk. I'm done with the bad news."