In this paper we make a brief report of the third edition of the International Symbol Recognition Contest, organized in the context of GREC'07. This contest follows the series started at the GREC'03 workshop. In this report we describe the main changes introduced in the test data according to the conclusions of the past edition of the contest. We also summarize the results obtained by the only participant method. Finally, we point out some conclusions and open issues to be addressed in the next editions of the contest.