Rhinos' scratch side, missing 13 players through injury or suspension, continued their recent improvement to end Rovers' six-match winning streak.
Teenagers Morgan Gannon, Max Simpson and Jack Sinfield impressed again and Rhyse Martin and Bodene Thompson also caught the eye in a solid team performance.
Here's how the players rated, plus marks for Hull KR and referee James Child.
7. Kruise Leeming (9)
Started at half-back, then switched to hooker; went well and created the second try before head injury ended his night 7 Photo: Bruce Rollinson
8. Mikolaj Oledzki (8)
Strong in the middle, powerful stints 7 Photo: Alex Whitehead/SWpix.com
9. Brad Dwyer (14)
Started well, had a rest and then came back strongly for an important second stint 8 Photo: Tony Johnson
10. Matt Prior (10)
Official man of the match, was gifted the opening try and put in strong stints 7 Photo: Bruce Rollinson
11. Morgan Gannon (21)
Scored the decisive try to cap another fine, mature performance 8 Photo: Bruce Rollinson
12. James Donaldson (25)
Enjoyed a rate start, ran with purpose and won an important penalty early on 7 Photo: Allan McKenzie/SWpix.com