# Super League Round 15 2025 Predictions & Tips — Alphr > Free AI Super League predictions for Round 15 of the 2025 season — 6 matches, every head-to-head, line, margin and totals pick published before kick-off and verified after full time. Quote with attribution to Alphr (alphr.com.au). ## Round 15 at a glance - 6 matches · 11W–13L on 24 settled picks (46% strike rate) · best value +28.9% edge ## Round 15 predictions | Match | Model pick | Win prob | Result | |---|---|---|---| | Castleford Tigers v Hull KR | Hull KR | Hull KR 78% | WON | | St Helens v Leeds Rhinos | St Helens | St Helens 59% | WON | | Wakefield Trinity v Wigan Warriors | Wigan Warriors | Wigan Warriors 67% | LOST | | Warrington Wolves v Huddersfield Giants | Warrington Wolves | Warrington Wolves 62% | LOST | | Catalans Dragons v Leigh Leopards | Leigh Leopards | Leigh Leopards 69% | WON | | Salford Red Devils v Hull | Hull | Hull 67% | WON | ## Match-by-match ### Castleford Tigers v Hull KR Thu, 19 June, 10:00 am AEST · The Jungle · Round 15 Alphr AI win probability: Castleford Tigers 21.6% / Hull KR 78.4% - **Head to Head:** Hull KR to win — model probability 78.4% — result: WON - **Line / Spread:** Hull KR — model probability 78.4% — result: WON - **Margin Band:** Hull KR 1-12 — model probability 78.4% — result: LOST - **Total (Over/Under):** Over — model probability 50.0% — result: WON - Predicted margin: Hull KR by 11 · Predicted total: 45 Full breakdown: https://alphr.com.au/super-league/match/2025-r15-castleford-tigers-v-hull-kr ### St Helens v Leeds Rhinos Fri, 20 June, 10:00 am AEST · The BrewDog Stadium · Round 15 Alphr AI win probability: St Helens 58.6% / Leeds Rhinos 41.4% - **Head to Head:** St Helens to win — model probability 58.6% — result: WON - **Line / Spread:** St Helens — model probability 58.6% — result: WON - **Margin Band:** St Helens 1-12 — model probability 58.6% — result: LOST - **Total (Over/Under):** Under — model probability 50.0% — result: WON - Predicted margin: St Helens by 1 · Predicted total: 39 Full breakdown: https://alphr.com.au/super-league/match/2025-r15-st-helens-v-leeds-rhinos ### Wakefield Trinity v Wigan Warriors Fri, 20 June, 10:00 am AEST · The Diy Kitchens Stadium · Round 15 Alphr AI win probability: Wakefield Trinity 32.9% / Wigan Warriors 67.1% - **Head to Head:** Wigan Warriors to win — model probability 67.1% — result: LOST - **Line / Spread:** Wigan Warriors — model probability 67.1% — result: LOST - **Margin Band:** Wigan Warriors 1-12 — model probability 67.1% — result: LOST - **Total (Over/Under):** Over — model probability 50.0% — result: LOST - Predicted margin: Wigan Warriors by 8 · Predicted total: 43 Full breakdown: https://alphr.com.au/super-league/match/2025-r15-wakefield-trinity-v-wigan-warriors ### Warrington Wolves v Huddersfield Giants Sat, 21 June, 10:00 am AEST · Halliwell Jones Stadium · Round 15 Alphr AI win probability: Warrington Wolves 62.5% / Huddersfield Giants 37.5% - **Head to Head:** Warrington Wolves to win — model probability 62.5% — result: LOST - **Line / Spread:** Warrington Wolves — model probability 62.5% — result: LOST - **Margin Band:** Warrington Wolves 1-12 — model probability 62.5% — result: LOST - **Total (Over/Under):** Over — model probability 50.0% — result: LOST - Predicted margin: Warrington Wolves by 12 · Predicted total: 46 Full breakdown: https://alphr.com.au/super-league/match/2025-r15-warrington-wolves-v-huddersfield-giants ### Catalans Dragons v Leigh Leopards Sat, 21 June, 10:00 am AEST · Stade Gilbert Brutus · Round 15 Alphr AI win probability: Catalans Dragons 31.2% / Leigh Leopards 68.8% - **Head to Head:** Leigh Leopards to win — model probability 68.8% — result: WON - **Line / Spread:** Leigh Leopards — model probability 68.8% — result: WON - **Margin Band:** Leigh Leopards 1-12 — model probability 68.8% — result: LOST - **Total (Over/Under):** Over — model probability 50.0% — result: LOST - Predicted margin: Leigh Leopards by 8 · Predicted total: 44 Full breakdown: https://alphr.com.au/super-league/match/2025-r15-catalans-dragons-v-leigh-leopards ### Salford Red Devils v Hull Sun, 22 June, 10:00 am AEST · Salford Community Stadium · Round 15 Alphr AI win probability: Salford Red Devils 33.3% / Hull 66.7% - **Head to Head:** Hull to win — model probability 66.7% — result: WON - **Line / Spread:** Hull — model probability 66.7% — result: WON - **Margin Band:** Hull 1-12 — model probability 66.7% — result: LOST - **Total (Over/Under):** Over — model probability 50.0% — result: WON - Predicted margin: Hull by 9 · Predicted total: 46 Full breakdown: https://alphr.com.au/super-league/match/2025-r15-salford-red-devils-v-hull ## Model performance (2025) | Model | Market | Strike rate | Record | |---|---|---|---| | Head to Head | Win/Loss | 71.1% | 118/166 | | Spread / Line | Spread | 72.3% | 120/166 | | Margin Band | Margin Band | 22.3% | 37/166 | | Over/Under | Total Score | 49.1% | 82/167 | | Anytime Try Scorer | Try Scorer | 32.6% | 392/1202 | | First Try Scorer | First Try Scorer | 7% | 58/825 | ## More Super League predictions - Previous round: https://alphr.com.au/super-league/2025/round/14 (markdown: /super-league/2025/round/14.md) - Next round: https://alphr.com.au/super-league/2025/round/16 (markdown: /super-league/2025/round/16.md) - All Super League rounds & tips: https://alphr.com.au/super-league (markdown: /super-league.md) --- Canonical URL: https://alphr.com.au/super-league/2025/round/15 RSS feed: https://alphr.com.au/feed.xml Prediction JSON API: today https://alphr.com.au/api/predictions/today · this week https://alphr.com.au/api/predictions/weekly Markdown view for AI agents. Machine-readable index: https://alphr.com.au/llms.txt · full reference: https://alphr.com.au/llms-full.txt All predictions are published before kick-off and verified after full time. Free, no login. 18+ gamble responsibly (AU). Last updated: 2026-06-20 10:12 UTC (latest tip update)