President Donald Trump has racked up wins on the Supreme Court‘s emergency docket, but as cases involving the president’s agenda begin to reach the high court’s merits docket, he could be handed some losses by the justices.

The Justice Department faces its first major test at the Supreme Court under the second Trump administration Wednesday when the president’s tariffs come under scrutiny. The Trump cases likely to make their way to the justices following tariffs are also poised to ding the administration’s record at the high court.