diff --git a/cmd/codecrafters/main.go b/cmd/codecrafters/main.go
index ffc77b8..fffa3f0 100644
--- a/cmd/codecrafters/main.go
+++ b/cmd/codecrafters/main.go
@@ -23,8 +23,9 @@ USAGE
   $ codecrafters [command]
 
 EXAMPLES
-  $ codecrafters test     # Run tests without committing changes
-  $ codecrafters submit   # Commit changes & submit to move to next step
+  $ codecrafters test              # Run tests without committing changes
+  $ codecrafters test --previous   # Run tests for the current stage and all previous stages without committing changes
+  $ codecrafters submit            # Commit changes & submit to move to next step
 
 COMMANDS
   test:        Run tests without committing changes
@@ -76,7 +77,11 @@ func run() error {
 
 	switch cmd {
 	case "test":
-		return commands.TestCommand(ctx)
+		testCmd := flag.NewFlagSet("test", flag.ExitOnError)
+		shouldTestPrevious := testCmd.Bool("previous", false, "run tests for the current stage and all previous stages in ascending order")
+		testCmd.Parse(flag.Args()[1:]) // parse the args after the test command
+
+		return commands.TestCommand(ctx, *shouldTestPrevious)
 	case "submit":
 		return commands.SubmitCommand(ctx)
 	case "help",
diff --git a/internal/commands/submit.go b/internal/commands/submit.go
index 9dc3840..c151944 100644
--- a/internal/commands/submit.go
+++ b/internal/commands/submit.go
@@ -91,7 +91,7 @@ func SubmitCommand(ctx context.Context) (err error) {
 
 	logger.Debug().Msgf("creating submission for %s", commitSha)
 
-	createSubmissionResponse, err := codecraftersClient.CreateSubmission(codecraftersRemote.CodecraftersRepositoryId(), commitSha, "submit")
+	createSubmissionResponse, err := codecraftersClient.CreateSubmission(codecraftersRemote.CodecraftersRepositoryId(), commitSha, "submit", "current_and_previous_descending")
 	if err != nil {
 		return fmt.Errorf("create submission: %w", err)
 	}
diff --git a/internal/commands/test.go b/internal/commands/test.go
index ac351bc..480c401 100644
--- a/internal/commands/test.go
+++ b/internal/commands/test.go
@@ -17,7 +17,7 @@ import (
 	"github.com/rs/zerolog"
 )
 
-func TestCommand(ctx context.Context) (err error) {
+func TestCommand(ctx context.Context, shouldTestPrevious bool) (err error) {
 	logger := zerolog.Ctx(ctx)
 
 	logger.Debug().Msg("test command starts")
@@ -105,7 +105,13 @@ func TestCommand(ctx context.Context) (err error) {
 
 	logger.Debug().Msgf("creating submission for %s", tempCommitSha)
 
-	createSubmissionResponse, err := codecraftersClient.CreateSubmission(codecraftersRemote.CodecraftersRepositoryId(), tempCommitSha, "test")
+	stageSelectionStrategy := "current_and_previous_descending"
+
+	if shouldTestPrevious {
+		stageSelectionStrategy = "current_and_previous_ascending"
+	}
+
+	createSubmissionResponse, err := codecraftersClient.CreateSubmission(codecraftersRemote.CodecraftersRepositoryId(), tempCommitSha, "test", stageSelectionStrategy)
 	if err != nil {
 		return fmt.Errorf("create submission: %w", err)
 	}
diff --git a/internal/utils/codecrafters_client.go b/internal/utils/codecrafters_client.go
index 4c016fc..145d822 100644
--- a/internal/utils/codecrafters_client.go
+++ b/internal/utils/codecrafters_client.go
@@ -88,12 +88,13 @@ func (c CodecraftersClient) headers() map[string]string {
 	}
 }
 
-func (c CodecraftersClient) CreateSubmission(repositoryId string, commitSha string, command string) (CreateSubmissionResponse, error) {
+func (c CodecraftersClient) CreateSubmission(repositoryId string, commitSha string, command string, stageSelectionStrategy string) (CreateSubmissionResponse, error) {
 	response, err := grequests.Post(c.ServerUrl+"/services/cli/create_submission", &grequests.RequestOptions{
 		JSON: map[string]interface{}{
-			"repository_id": repositoryId,
-			"commit_sha":    commitSha,
-			"command":       command,
+			"repository_id":            repositoryId,
+			"commit_sha":               commitSha,
+			"command":                  command,
+			"stage_selection_strategy": stageSelectionStrategy,
 		},
 		Headers: c.headers(),
 	})