Washing machine appliance tub cover

A washing machine appliance, comprising:

• a cabinet;
• a wash tub positioned within the cabinet;
• a wash basket rotatably mounted within the wash tub and defining a wash chamber configured for receiving a load of clothes;
• and
• a tub cover positioned over the wash tub, the tub cover comprising:
• a main body including an edge defining a perimeter of the main body, the main body further including a top surface and a sloped surface connecting the top surface and the edge and defining a slope;
• wherein:
• rotation of the wash basket within the wash tub circulates a flow of air within the wash tub;
• a plurality of top surface openings are defined through the top surface of the main body of the tub cover;
• and
• a plurality of sloped surface openings are defined through the sloped surface of the main body of the tub cover for facilitating the flow of air circulated by rotation of the wash basket into and out of the wash basket.