LINQ LEFT JOIN where clause not working

Question

I need to return a list of all the events and any rsvps a user may have for an event. However, regardless of the username I pass, It returns every single rsvp. My linq Query

Answer 1

from e in _context.Context.Events
join r in _context.Context.RSVPs.Where(o => o.UserName == userName)
    on e.EventID equals r.EventID into g
select new {
    Event = e,
    Rsvps = g
};