# Super League Round 21 2026 Predictions & Tips — Alphr

> Free AI Super League predictions for Round 21 of the 2026 season — 7 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 21 at a glance
- 7 matches

## Round 21 predictions

| Match | Model pick | Win prob | Best edge |
|---|---|---|---|
| Huddersfield Giants v Hull FC | — | Huddersfield Giants 50% | — |
| Leeds Rhinos v Toulouse Olympique | — | Leeds Rhinos 50% | — |
| Leigh Leopards v Wigan Warriors | — | Leigh Leopards 50% | — |
| Hull KR v Bradford Bulls | — | Hull KR 50% | — |
| Castleford Tigers v Warrington Wolves | — | Castleford Tigers 50% | — |
| York Knights v St Helens | — | York Knights 50% | — |
| Catalans Dragons v Wakefield Trinity | — | Catalans Dragons 50% | — |

## Match-by-match

### Huddersfield Giants v Hull FC
Fri, 31 July, 05:00 am AEST · Venue: The Accu Stadium · Round 21
Alphr AI win probability: Huddersfield Giants 50.0% / Hull FC 50.0%

### Leeds Rhinos v Toulouse Olympique
Sat, 01 Aug, 05:00 am AEST · Venue: AMT Headingley Stadium · Round 21
Alphr AI win probability: Leeds Rhinos 50.0% / Toulouse Olympique 50.0%

### Leigh Leopards v Wigan Warriors
Sat, 01 Aug, 05:00 am AEST · Venue: Leigh Sports Village Stadium · Round 21
Alphr AI win probability: Leigh Leopards 50.0% / Wigan Warriors 50.0%

### Hull KR v Bradford Bulls
Sat, 01 Aug, 05:00 am AEST · Venue: Sewell Group Craven Park · Round 21
Alphr AI win probability: Hull KR 50.0% / Bradford Bulls 50.0%

### Castleford Tigers v Warrington Wolves
Sun, 02 Aug, 12:00 am AEST · Venue: The OneBore Stadium · Round 21
Alphr AI win probability: Castleford Tigers 50.0% / Warrington Wolves 50.0%

### York Knights v St Helens
Sun, 02 Aug, 02:30 am AEST · Venue: LNER Community Stadium · Round 21
Alphr AI win probability: York Knights 50.0% / St Helens 50.0%

### Catalans Dragons v Wakefield Trinity
Sun, 02 Aug, 05:00 am AEST · Venue: Stade Gilbert Brutus · Round 21
Alphr AI win probability: Catalans Dragons 50.0% / Wakefield Trinity 50.0%

## Model performance (2026)
| Model | Market | Strike rate | Record |
|---|---|---|---|
| Head to Head | Win/Loss | 69.8% | 97/139 |
| Spread / Line | Spread | 61.2% | 85/139 |
| Margin Band | Margin Band | 29.5% | 41/139 |
| Over/Under | Total Score | 62.6% | 87/139 |
| Anytime Try Scorer | Try Scorer | 30.5% | 92/302 |
| First Try Scorer | First Try Scorer | 7.4% | 14/190 |

## More Super League predictions
- Previous round: https://alphr.com.au/super-league/round/20 (markdown: /super-league/round/20.md)
- All Super League rounds & tips: https://alphr.com.au/super-league (markdown: /super-league.md)

---
Canonical URL: https://alphr.com.au/super-league/round/21
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: 2026-07-26 21:28 UTC