Be aware of the position by dividing the court into 4 zones. Effectively using forehand in most of the zones.
Picture the zone as A | B | C | D. A and B are right to the forehand zones, with C, using the inside out forehand ( recommended) or backhand. D is backhand.
There is an in-depth article about this
What foot use to step in when moving side way and forward.
When moving sideways, try open stance.
When moving forward, use a natural stance. Remember to bring the behind foot forward. Hign elbow when finish, maintain the balance when finishing the shot
This is the biggest project for Alex this year. No matter how hard we need to work on this, we need to get this right.