What Is a Corner Bet in Roulette?
A corner bet (also called a square or four-number bet) covers four numbers on the layout that form a square. It pays 8:1 and gives you around a 10.81% chance of winning in European roulette — higher than most inside bets.
T&Cs (18+)
First deposit only.This offer is only available for first time depositors. Min deposit is £10.80 Free Spins on Big Bass Bonanza. Spin Value: £_0.10. This offer cannot be used in conjunction with any other offer. This offer is only available for specific players that have been selected by PlayOJO. If you have arrived on this page not via the designated offer via PlayOJO you will not be eligible for the offer. Irregular play may lead to removal of reward. OJO’s Rewards and Game policy applies.
T&Cs (18+)
18+. New players only. Min dep. £20. Valid for 14 days from registration. Welcome Offer: Earn points for cash bets made to unlock wager-free spins on selected games: 2 points for every £10 bet on Slots, 1 point for every £10 bet on Video Poker and qualifying Side Bets. 0.25 points for every £10 bet on Roulette games. Maximum accumulation of redeemable points is limited to 2000. You will receive spins based on the number of points earned:10, 20, 35, 50 points = 5 spins, 70 points = 1 Superspin, 100 points = 10 spins, 200 points = 5 Superspins, 300 points = 4 Superspins, 500 points = 6 Superspins. Additionally you will earn an extra 120 Spins for every 375 points earned above the 500-point threshold, until you reach a total of 2000 points. Spins credited the next day. Spin winnings credited as cash funds and capped at £100 per batch of spins. Cash funds are immediately withdrawable. Wager-free spins must be used within 72 hours. Full terms apply. Affordability checks apply.. BeGambleAware.org
T&Cs (18+)
This offer is for new customers only and is available once per household. Minimum deposit and wagering on sport to activate the Bet token is £10. The Welcome Bet token must be used at www.mrplay.com within 14 days of being credited to your account. Offer only applies to players who are residents of United Kingdom, Ireland, Norway, Finland, Germany and Canada.
How to Place a Corner Bet (Step-by-Step)
To make a corner bet, place your chip at the intersection of four adjacent numbers that form a square. If the ball lands on any of the four numbers, you win 8x your stake (plus stake back). Examples:
- 🔲 1-2-4-5
- 🔲 17-18-20-21
- 🔲 31-32-34-35
Available on European, American, and French tables (RNG, mobile, and live).
Corner Bet Odds, House Edge & Expected Value
A single chip covers four numbers — more frequent wins than splits/straights, but with a lower payout.
| Game Type | Per-Spin Win% | Payout | House Edge | EV per 1u |
|---|---|---|---|---|
| European (single-zero) | 4/37 ≈ 10.81% | 8:1 | 2.70% | (4/37)*8 − (33/37)*1 ≈ −0.0270 |
| American (double-zero) | 4/38 ≈ 10.53% | 8:1 | 5.26% | (4/38)*8 − (34/38)*1 ≈ −0.0526 |
EV = expected profit per 1 unit in the long run. Prefer European/French to halve losses vs American.
Corner Variants & Similar Bets (Don’t Confuse These)
| Bet Type | Covers | How to Place | Payout |
|---|---|---|---|
| Classic Corner | 4 numbers (square) | Chip on the shared intersection | 8:1 |
| First Four (European) | 0-1-2-3 | Chip on the corner touching 0-1-2-3 | 8:1 |
| Top Line (American) | 0-00-1-2-3 | Chip on the outer corner by 0 & 1 | 6:1 (worse value) |
| Double Street (Six Line) | 6 numbers (two adjacent rows) | Chip on the line between the two rows at the edge | 5:1 |
Only Classic Corner + First Four pay 8:1. American Top Line is a different bet with a poorer 6:1 return.
Corner-Heavy Systems (With Realistic Expectations)
Romanovsky System (≈32 Numbers Covered)
- 🎯 Place 3 chips across two Dozens (e.g., 1–12 and 13–24)
- 🎯 Add 2 corner bets to patch the gaps
- 🟢 Total coverage ≈ 86%
Frequent small wins; when the uncovered pockets hit, losses feel chunky. Keep sessions short; take profit early.
4-Corner Grid (Inside Clusters)
Split the inside grid into four 3×3 zones; drop a corner at each zone’s hub. Stake one chip per corner; rotate after a win or run a light step (1-1-2-4).
5-Quad System (Corners + One Straight)
Place 5 non-overlapping corners (20 numbers) + 1 straight-up (1 number) for 21-number coverage.
- 💥 Corner hits: steady 8:1 returns
- 🎯 Straight hits: 35:1 “booster” for the session
What Are My Chances Over a Short Session?
Per-spin hit on European: 10.81%. Chance of at least one hit over N spins: 1 − (1 − 0.1081)N.
| Spins | Pr(hit ≥1) | Expected Hits | Tip |
|---|---|---|---|
| 10 | ≈ 68.9% | ~1.08 | Flat stake or tiny step |
| 20 | ≈ 89.7% | ~2.16 | Add a second corner |
| 30 | ≈ 96.4% | ~3.24 | Lock a stop-win target |
“Expected Hits” = spins × 0.1081. Variance can cluster wins or losses; manage stake accordingly.
Bankroll & Table Management for Corner Bets
- Bankroll: 80–150 units for flat stakes; 150–250 units if using gentle steps.
- Stake size: Keep each corner ≤1% of bankroll (e.g., £1 on £100 roll).
- Stops: Stop-win +12 to +25u; Stop-loss −20 to −35u. Stick to it.
- Wheel choice: Prefer European/French; avoid American Top Line (6:1).
Smart Combos: Corners + Low-Risk Anchors
Blend corners with steadier bets to smooth variance while keeping 8:1 upside:
- 💷 £5 on Red/Black + £1 on a Corner (e.g., 10-11-13-14)
- 🎯 Add a Street Bet through your zone for 11:1 fillers
- 🧩 Pair a hot spot with a Split (17:1) on the cluster’s edge
- 📦 Overlay the matching Dozen if most corners sit in one 12-number block
Keep inside add-ons small (≤20% of your main outside bet) so cold spells don’t snowball.
T&Cs (18+)
First deposit only.This offer is only available for first time depositors. Min deposit is £10.80 Free Spins on Big Bass Bonanza. Spin Value: £_0.10. This offer cannot be used in conjunction with any other offer. This offer is only available for specific players that have been selected by PlayOJO. If you have arrived on this page not via the designated offer via PlayOJO you will not be eligible for the offer. Irregular play may lead to removal of reward. OJO’s Rewards and Game policy applies.
T&Cs (18+)
18+. New players only. Min dep. £20. Valid for 14 days from registration. Welcome Offer: Earn points for cash bets made to unlock wager-free spins on selected games: 2 points for every £10 bet on Slots, 1 point for every £10 bet on Video Poker and qualifying Side Bets. 0.25 points for every £10 bet on Roulette games. Maximum accumulation of redeemable points is limited to 2000. You will receive spins based on the number of points earned:10, 20, 35, 50 points = 5 spins, 70 points = 1 Superspin, 100 points = 10 spins, 200 points = 5 Superspins, 300 points = 4 Superspins, 500 points = 6 Superspins. Additionally you will earn an extra 120 Spins for every 375 points earned above the 500-point threshold, until you reach a total of 2000 points. Spins credited the next day. Spin winnings credited as cash funds and capped at £100 per batch of spins. Cash funds are immediately withdrawable. Wager-free spins must be used within 72 hours. Full terms apply. Affordability checks apply.. BeGambleAware.org
T&Cs (18+)
This offer is for new customers only and is available once per household. Minimum deposit and wagering on sport to activate the Bet token is £10. The Welcome Bet token must be used at www.mrplay.com within 14 days of being credited to your account. Offer only applies to players who are residents of United Kingdom, Ireland, Norway, Finland, Germany and Canada.
✔️ Pros of Corner Bets
- One chip covers four numbers
- Higher hit rate than splits/straights
- 8:1 payout keeps chips recycling
- Combines well with dozens & even-money
❌ Cons of Corner Bets
- Lower payout than splits (17:1) or straights (35:1)
- Miss streaks still happen; progressions can bite
- US Top Line (6:1) is poor value
Corner Bet — FAQ
What’s the difference between a straight-up and a corner?
Straight-up backs one number for 35:1. A corner covers four adjacent numbers for 8:1 — lower payout, higher hit rate.
Can I combine corners with outside bets?
Yes — pairing with even-money bets or dozens helps cushion variance.
What version of roulette is best for corners?
European or French (2.70% edge). Avoid American, and especially avoid the Top Line (6:1) unless you accept worse math.
How much does a corner bet pay?
8:1. A £5 chip returns £40 total (£35 profit + £5 stake) on a win.
Is the “Basket/First Four” the same as a corner?
On European, the First Four (0-1-2-3) behaves like a corner and pays 8:1. On American, the Top Line is 0-00-1-2-3 and pays only 6:1 — different bet, worse return.
Play Responsibly
- Set deposit/time limits before you play.
- Prefer single-zero wheels; avoid weak paytables.
- Take breaks; don’t chase. UK support: BeGambleAware.
Ready to Try Corner Bets the Smart Way?
Use 4-Corner clusters or a light Romanovsky blend, stick to European/French wheels, and cap sessions with firm stop-wins/losses.
#AD 18+ | 18+ BeGambleAware.org | Best value on single-zero wheels