Wednesday's Under-18s beat Cardiff 2-1 on Saturday afternoon at Middlewood Road.
Ernie Weaver opened the scoring for the Owls on 35 minutes when he met a free-kick and clinically finished at the back post.
Cardiff equalised before Wednesday regained the lead on 78 minutes due to a Bluebirds own goal.
Starting XI
1. Philips
2. Rodrigues
3. Johnson
4. Dawes
5. Weaver
6. Emery
7. Mbaya
8. Thornton
9. Moses
10. Fernandes
11. Shaw
Subs
12. Swales
14. Hunt
15. Remy-Dee
16. Lihe
17. Weston