diff --git a/src/repr.rs b/src/repr.rs
index 5325696..6e1085a 100644
--- a/src/repr.rs
+++ b/src/repr.rs
@@ -34,6 +34,8 @@ pub struct Board {
 impl fmt::Display for Board {
     fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
         for i in 0..BOARD_SIZE {
+            write!(f, "{}\n", "-".repeat(BOARD_SIZE * 2 + 1))?;
+
             write!(f, "|")?;
             for j in 0..BOARD_SIZE {
                 write!(