serve spawns forward

Project/Assets/ML-Agents/Examples/Tennis/Scripts/TennisAgent.cs

     {
 
         m_InvertMult = invertX ? -1f : 1f;
-        var agentOutX = Random.Range(12f, 16f);
+        var agentOutX = Random.Range(12f, 14f);
         var agentOutY = Random.Range(-1.5f, 0f);
         transform.position = new Vector3(-m_InvertMult * agentOutX, agentOutY, -1.8f) + transform.parent.transform.position;
         m_AgentRb.velocity = new Vector3(0f, 0f, 0f);

Project/Assets/ML-Agents/Examples/Tennis/Scripts/TennisArea.cs

 
     public void MatchReset()
     {
-        var ballOut = Random.Range(12f, 16f);
+        var ballOut = Random.Range(14f, 16f);
         var flip = Random.Range(0, 2);
         if (flip == 0)
         {