Correct result. Tennis Court is a great song but Ride is already a classic. It's the sort of song Lorde should aspire to writing in the future (not meant as a criticism, I'm sure she has the talent to do just that).
Wanted to submit my votes some days before the deadline but I totally forgot about it then and now I really regret it. Fortunately the best song possible won here and one of my all-time-faves.