diff --git a/test/built-ins/Temporal/PlainYearMonth/compare/argument-cast.js b/test/built-ins/Temporal/PlainYearMonth/compare/argument-cast.js
new file mode 100644
index 0000000000..eadfb0e3c0
--- /dev/null
+++ b/test/built-ins/Temporal/PlainYearMonth/compare/argument-cast.js
@@ -0,0 +1,19 @@
+// Copyright (C) 2022 Igalia, S.L. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-temporal.plainyearmonth.compare
+description: compare() casts its arguments
+features: [Temporal]
+---*/
+
+const nov94 = Temporal.PlainYearMonth.from("1994-11");
+const jun13 = Temporal.PlainYearMonth.from("2013-06");
+
+assert.sameValue(Temporal.PlainYearMonth.compare({ year: 1994, month: 11 }, jun13), -1, "one object");
+assert.sameValue(Temporal.PlainYearMonth.compare("1994-11", jun13), -1, "one string");
+assert.throws(TypeError, () => Temporal.PlainYearMonth.compare({ year: 1994 }, jun13), "one missing property");
+
+assert.sameValue(Temporal.PlainYearMonth.compare(nov94, { year: 2013, month: 6 }), -1, "two object");
+assert.sameValue(Temporal.PlainYearMonth.compare(nov94, "2013-06"), -1, "two string");
+assert.throws(TypeError, () => Temporal.PlainYearMonth.compare(nov94, { year: 2013 }), "two missing property");
diff --git a/test/built-ins/Temporal/PlainYearMonth/compare/basic.js b/test/built-ins/Temporal/PlainYearMonth/compare/basic.js
new file mode 100644
index 0000000000..0d9799cd98
--- /dev/null
+++ b/test/built-ins/Temporal/PlainYearMonth/compare/basic.js
@@ -0,0 +1,16 @@
+// Copyright (C) 2022 Igalia, S.L. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-temporal.plainyearmonth.compare
+description: Basic tests for compare()
+features: [Temporal]
+---*/
+
+const nov94 = Temporal.PlainYearMonth.from("1994-11");
+const nov94bis = Temporal.PlainYearMonth.from("1994-11");
+const jun13 = Temporal.PlainYearMonth.from("2013-06");
+assert.sameValue(Temporal.PlainYearMonth.compare(nov94, nov94), 0, "same object");
+assert.sameValue(Temporal.PlainYearMonth.compare(nov94, nov94bis), 0, "different object");
+assert.sameValue(Temporal.PlainYearMonth.compare(nov94, jun13), -1, "before");
+assert.sameValue(Temporal.PlainYearMonth.compare(jun13, nov94), 1, "after");
diff --git a/test/built-ins/Temporal/PlainYearMonth/compare/compare-calendar.js b/test/built-ins/Temporal/PlainYearMonth/compare/compare-calendar.js
new file mode 100644
index 0000000000..a3b9185118
--- /dev/null
+++ b/test/built-ins/Temporal/PlainYearMonth/compare/compare-calendar.js
@@ -0,0 +1,22 @@
+// Copyright (C) 2022 Igalia, S.L. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-temporal.plainyearmonth.compare
+description: compare() does not take the calendar into account
+features: [Temporal]
+---*/
+
+class CustomCalendar extends Temporal.Calendar {
+  constructor(id) {
+    super("iso8601");
+    this._id = id;
+  }
+  toString() {
+    return this._id;
+  }
+}
+
+const ym1 = new Temporal.PlainYearMonth(2000, 1, new CustomCalendar("a"), 1);
+const ym2 = new Temporal.PlainYearMonth(2000, 1, new CustomCalendar("b"), 1);
+assert.sameValue(Temporal.PlainYearMonth.compare(ym1, ym2), 0);
diff --git a/test/built-ins/Temporal/PlainYearMonth/compare/compare-reference-day.js b/test/built-ins/Temporal/PlainYearMonth/compare/compare-reference-day.js
new file mode 100644
index 0000000000..29a9c48661
--- /dev/null
+++ b/test/built-ins/Temporal/PlainYearMonth/compare/compare-reference-day.js
@@ -0,0 +1,13 @@
+// Copyright (C) 2022 Igalia, S.L. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-temporal.plainyearmonth.compare
+description: compare() takes the reference day into account
+features: [Temporal]
+---*/
+
+const iso = Temporal.Calendar.from("iso8601");
+const ym1 = new Temporal.PlainYearMonth(2000, 1, iso, 1);
+const ym2 = new Temporal.PlainYearMonth(2000, 1, iso, 2);
+assert.sameValue(Temporal.PlainYearMonth.compare(ym1, ym2), -1);
diff --git a/test/built-ins/Temporal/PlainYearMonth/compare/use-internal-slots.js b/test/built-ins/Temporal/PlainYearMonth/compare/use-internal-slots.js
index 5b2fde22b2..0cde320b16 100644
--- a/test/built-ins/Temporal/PlainYearMonth/compare/use-internal-slots.js
+++ b/test/built-ins/Temporal/PlainYearMonth/compare/use-internal-slots.js
@@ -2,7 +2,7 @@
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
-esid: sec-temporal-sec-temporal.yearmonth.compare
+esid: sec-temporal.plainyearmonth.compare
 description: compare() ignores the observable properties and uses internal slots
 features: [Temporal]
 ---*/