"Why would anybody be surprised that the Supreme Court has ruled against me, they always do!
"The Supreme Court has lost its honor, prestige, and standing, & has become nothing more than a political body, with our Country paying the price."
In follow-up posts, Trump rehashed complaints over the court's handling of the 2020 election and referenced reports of leaked opinions.
On Tuesday, the Supreme Court dismissed Trump's bid to block his tax returns from being released to Congress.
In his one term as president, Trump appointed three justices — Neil Gorsuch, Brett Kavanaugh, and Amy Coney Barrett — cementing the court's 6-3 conservative majority likely for years to come.