I think:
ME: Tom Pidcock (it is a shame that Mathieu and Wout won't go)
WE: Lucinda Brand (She won Fayetteville worldcup and She is the number1 of the world so I think she will defend her title)
WU23: Pieterse or van Empel or maybe van Anrooij... (I hope van Empel can defend it but she wasn't...