diff --git a/spec/spec_tests/data/server_selection/ReplicaSetNoPrimary/read/DeprioritizedNearestOnlyMatchingTags.yml b/spec/spec_tests/data/server_selection/ReplicaSetNoPrimary/read/DeprioritizedNearestOnlyMatchingTags.yml
new file mode 100644
index 0000000000..04fe852851
--- /dev/null
+++ b/spec/spec_tests/data/server_selection/ReplicaSetNoPrimary/read/DeprioritizedNearestOnlyMatchingTags.yml
@@ -0,0 +1,27 @@
+# Test when the deprioritized server is the only server with matching tags.
+topology_description:
+  type: ReplicaSetNoPrimary
+  servers:
+  - &1
+    address: b:27017
+    avg_rtt_ms: 5
+    type: RSSecondary
+    tags:
+      data_center: nyc
+  - &2
+    address: c:27017
+    avg_rtt_ms: 100
+    type: RSSecondary
+    tags:
+      data_center: tokyo
+operation: read
+read_preference:
+  mode: Nearest
+  tag_sets:
+  - data_center: nyc
+deprioritized_servers:
+- *1
+suitable_servers:
+- *1 # Deprioritized, but only server matching the tag set.
+in_latency_window:
+- *1
diff --git a/spec/spec_tests/data/server_selection/ReplicaSetNoPrimary/read/DeprioritizedPrimaryPreferredOnlyMatchingTags.yml b/spec/spec_tests/data/server_selection/ReplicaSetNoPrimary/read/DeprioritizedPrimaryPreferredOnlyMatchingTags.yml
new file mode 100644
index 0000000000..fed9cd5d65
--- /dev/null
+++ b/spec/spec_tests/data/server_selection/ReplicaSetNoPrimary/read/DeprioritizedPrimaryPreferredOnlyMatchingTags.yml
@@ -0,0 +1,27 @@
+# Test when the deprioritized server is the only server with matching tags.
+topology_description:
+  type: ReplicaSetNoPrimary
+  servers:
+  - &1
+    address: b:27017
+    avg_rtt_ms: 5
+    type: RSSecondary
+    tags:
+      data_center: nyc
+  - &2
+    address: c:27017
+    avg_rtt_ms: 100
+    type: RSSecondary
+    tags:
+      data_center: tokyo
+operation: read
+read_preference:
+  mode: PrimaryPreferred
+  tag_sets:
+  - data_center: nyc
+deprioritized_servers:
+- *1 # Deprioritized, but only server matching the tag set.
+suitable_servers:
+- *1
+in_latency_window:
+- *1
diff --git a/spec/spec_tests/data/server_selection/ReplicaSetNoPrimary/read/DeprioritizedSecondaryOnlyMatchingTags.yml b/spec/spec_tests/data/server_selection/ReplicaSetNoPrimary/read/DeprioritizedSecondaryOnlyMatchingTags.yml
new file mode 100644
index 0000000000..cd98970bd5
--- /dev/null
+++ b/spec/spec_tests/data/server_selection/ReplicaSetNoPrimary/read/DeprioritizedSecondaryOnlyMatchingTags.yml
@@ -0,0 +1,27 @@
+# Test when the deprioritized server is the only server with matching tags.
+topology_description:
+  type: ReplicaSetNoPrimary
+  servers:
+  - &1
+    address: b:27017
+    avg_rtt_ms: 5
+    type: RSSecondary
+    tags:
+      data_center: nyc
+  - &2
+    address: c:27017
+    avg_rtt_ms: 100
+    type: RSSecondary
+    tags:
+      data_center: tokyo
+operation: read
+read_preference:
+  mode: Secondary
+  tag_sets:
+  - data_center: nyc
+deprioritized_servers:
+- *1
+suitable_servers:
+- *1 # Deprioritized, but only server matching the tag set.
+in_latency_window:
+- *1
diff --git a/spec/spec_tests/data/server_selection/ReplicaSetNoPrimary/read/DeprioritizedSecondaryPreferredOnlyMatchingTags.yml b/spec/spec_tests/data/server_selection/ReplicaSetNoPrimary/read/DeprioritizedSecondaryPreferredOnlyMatchingTags.yml
new file mode 100644
index 0000000000..9863598343
--- /dev/null
+++ b/spec/spec_tests/data/server_selection/ReplicaSetNoPrimary/read/DeprioritizedSecondaryPreferredOnlyMatchingTags.yml
@@ -0,0 +1,27 @@
+# Test when the deprioritized server is the only server with matching tags.
+topology_description:
+  type: ReplicaSetNoPrimary
+  servers:
+  - &1
+    address: b:27017
+    avg_rtt_ms: 5
+    type: RSSecondary
+    tags:
+      data_center: nyc
+  - &2
+    address: c:27017
+    avg_rtt_ms: 100
+    type: RSSecondary
+    tags:
+      data_center: tokyo
+operation: read
+read_preference:
+  mode: SecondaryPreferred
+  tag_sets:
+  - data_center: nyc
+deprioritized_servers:
+- *1
+suitable_servers:
+- *1 # Deprioritized, but only server matching the tag set.
+in_latency_window:
+- *1
diff --git a/spec/spec_tests/data/server_selection/ReplicaSetWithPrimary/read/DeprioritizedNearestOnlyMatchingTags.yml b/spec/spec_tests/data/server_selection/ReplicaSetWithPrimary/read/DeprioritizedNearestOnlyMatchingTags.yml
new file mode 100644
index 0000000000..a8d9e7c3ba
--- /dev/null
+++ b/spec/spec_tests/data/server_selection/ReplicaSetWithPrimary/read/DeprioritizedNearestOnlyMatchingTags.yml
@@ -0,0 +1,34 @@
+# Test when the deprioritized server is the only server with matching tags.
+# Serves as a regression test for CDRIVER-6248.
+topology_description:
+  type: ReplicaSetWithPrimary
+  servers:
+  - &1
+    address: b:27017
+    avg_rtt_ms: 5
+    type: RSSecondary
+    tags:
+      data_center: nyc
+  - &2
+    address: c:27017
+    avg_rtt_ms: 100
+    type: RSSecondary
+    tags:
+      data_center: tokyo
+  - &3
+    address: a:27017
+    avg_rtt_ms: 26
+    type: RSPrimary
+    tags:
+      data_center: tokyo
+operation: read
+read_preference:
+  mode: Nearest
+  tag_sets:
+  - data_center: nyc
+deprioritized_servers:
+- *1
+suitable_servers:
+- *1 # Deprioritized, but only server matching the tag set.
+in_latency_window:
+- *1
diff --git a/spec/spec_tests/data/server_selection/ReplicaSetWithPrimary/read/DeprioritizedPrimaryPreferredOnlyMatchingTags.yml b/spec/spec_tests/data/server_selection/ReplicaSetWithPrimary/read/DeprioritizedPrimaryPreferredOnlyMatchingTags.yml
new file mode 100644
index 0000000000..7eca837779
--- /dev/null
+++ b/spec/spec_tests/data/server_selection/ReplicaSetWithPrimary/read/DeprioritizedPrimaryPreferredOnlyMatchingTags.yml
@@ -0,0 +1,34 @@
+# Test when the deprioritized server is the only server with matching tags.
+# Serves as a regression test for CDRIVER-6248.
+topology_description:
+  type: ReplicaSetWithPrimary
+  servers:
+  - &1
+    address: b:27017
+    avg_rtt_ms: 5
+    type: RSSecondary
+    tags:
+      data_center: tokyo
+  - &2
+    address: c:27017
+    avg_rtt_ms: 5
+    type: RSSecondary
+    tags:
+      data_center: tokyo
+  - &3
+    address: a:27017
+    avg_rtt_ms: 5
+    type: RSPrimary
+    tags:
+      data_center: nyc
+operation: read
+read_preference:
+  mode: PrimaryPreferred
+  tag_sets:
+  - { data_center: nyc }
+deprioritized_servers:
+- *3
+suitable_servers:
+- *3 # Deprioritized, but only server matching the tag set.
+in_latency_window:
+- *3
diff --git a/spec/spec_tests/data/server_selection/ReplicaSetWithPrimary/read/DeprioritizedSecondaryOnlyMatchingTags.yml b/spec/spec_tests/data/server_selection/ReplicaSetWithPrimary/read/DeprioritizedSecondaryOnlyMatchingTags.yml
new file mode 100644
index 0000000000..5855c9ecee
--- /dev/null
+++ b/spec/spec_tests/data/server_selection/ReplicaSetWithPrimary/read/DeprioritizedSecondaryOnlyMatchingTags.yml
@@ -0,0 +1,33 @@
+# Test when the deprioritized server is the only server with matching tags.
+topology_description:
+  type: ReplicaSetWithPrimary
+  servers:
+  - &1
+    address: b:27017
+    avg_rtt_ms: 5
+    type: RSSecondary
+    tags:
+      data_center: nyc
+  - &2
+    address: c:27017
+    avg_rtt_ms: 100
+    type: RSSecondary
+    tags:
+      data_center: tokyo
+  - &3
+    address: a:27017
+    avg_rtt_ms: 26
+    type: RSPrimary
+    tags:
+      data_center: tokyo
+operation: read
+read_preference:
+  mode: Secondary
+  tag_sets:
+  - data_center: nyc
+deprioritized_servers:
+- *1
+suitable_servers:
+- *1 # Deprioritized, but only server matching the tag set.
+in_latency_window:
+- *1
diff --git a/spec/spec_tests/data/server_selection/ReplicaSetWithPrimary/read/DeprioritizedSecondaryPreferredOnlyMatchingTags.yml b/spec/spec_tests/data/server_selection/ReplicaSetWithPrimary/read/DeprioritizedSecondaryPreferredOnlyMatchingTags.yml
new file mode 100644
index 0000000000..bdc1a3242d
--- /dev/null
+++ b/spec/spec_tests/data/server_selection/ReplicaSetWithPrimary/read/DeprioritizedSecondaryPreferredOnlyMatchingTags.yml
@@ -0,0 +1,33 @@
+# Test when the deprioritized server is the only server with matching tags.
+topology_description:
+  type: ReplicaSetWithPrimary
+  servers:
+  - &1
+    address: b:27017
+    avg_rtt_ms: 5
+    type: RSSecondary
+    tags:
+      data_center: nyc
+  - &2
+    address: c:27017
+    avg_rtt_ms: 100
+    type: RSSecondary
+    tags:
+      data_center: tokyo
+  - &3
+    address: a:27017
+    avg_rtt_ms: 5
+    type: RSPrimary
+    tags:
+      data_center: tokyo
+operation: read
+read_preference:
+  mode: SecondaryPreferred
+  tag_sets:
+  - data_center: nyc
+deprioritized_servers:
+- *1
+suitable_servers:
+- *3 # Primary selected since tags do not apply to primary selection.
+in_latency_window:
+- *3