French Roulette Explained

Roulette · 7/30/2026 · 5 min read · Editorial Team

What this guide covers

French roulette shares its wheel with the European format but conventionally adds features that can make it the best-value standard roulette table available online. This guide covers what specifically distinguishes it, why those features matter, and what to check before assuming a table offers them. For the underlying rules in full detail, see roulette rules explained; for how it compares to European and American formats, see european roulette explained and european vs american roulette.

The shared foundation: a 37-pocket wheel

French roulette uses the same single-zero, 37-pocket wheel as European roulette — numbers 1 through 36 plus a single zero. There's no structural difference in the wheel itself; the distinction between "French" and "European" roulette comes entirely from a handful of additional conventions layered on top of this shared foundation.

En prison: the imprisoned bet

One of French roulette's signature features is the en prison rule, which changes what happens when zero hits an even-money bet (red/black, odd/even, high/low). Rather than losing outright, the bet is "imprisoned" for one more spin — if that next spin resolves in your favor, your original stake is returned in full; if it loses again, the imprisoned stake is lost.

La partage: the half-stake return

The alternative (and sometimes complementary) feature is la partage, which returns half your stake immediately the moment zero hits an even-money bet, resolving the round on the spot rather than carrying it forward. A table generally offers one of these two rules, not both, though which one is offered varies by operator.

Why these rules matter mathematically

Both en prison and la partage cut the house edge on affected even-money bets from the standard 2.70% down to roughly 1.35% — effectively half. This is a genuine, verifiable improvement available simply by choosing a table that offers one of these rules over a plain European table that doesn't, without changing anything about how you actually bet. Full math on this is in roulette odds explained.

The racetrack and call bets

French roulette tables typically include a full racetrack betting interface — an oval layout mirroring the wheel's physical number order — supporting call bets like Voisins du Zéro, Tiers du Cylindre, and Orphelins. These bets group numbers based on their position on the wheel rather than the flat grid's arrangement, and they're more consistently available on French-labeled tables than on plain European ones. Full detail on how each specific call bet works is in roulette rules explained.

French terminology on the table

Reflecting the game's origins, French roulette layouts sometimes use French terms directly on the physical or digital table — "manque" and "passe" for low and high, "pair" and "impair" for even and odd, "rouge" and "noir" for red and black. Most online interfaces default to English terms even on French-labeled tables, but it's worth recognizing these terms if you encounter them, particularly on tables styled after traditional French casino design.

French roulette versus plain "European roulette" labeling

It's worth being direct about a common point of confusion: not every table labeled "European roulette" includes en prison, la partage, or the racetrack interface, and not every table labeled "French roulette" necessarily includes all three either. Terminology isn't perfectly standardized across operators, so the only reliable way to confirm what a specific table offers is checking its rules screen directly, regardless of which label it carries.

Why French roulette is often the best default choice

When available and confirmed to include en prison or la partage, French roulette offers the best combination of value and features among standard roulette formats — a lower effective house edge on even-money bets than plain European roulette, plus the racetrack interface for players interested in call bets. It's worth actively seeking out over a plain European or American table whenever it's genuinely on offer.

French roulette in live and RNG formats

French roulette is offered across both RNG and live dealer formats, with live tables often leaning more heavily into the format's traditional presentation — a racetrack view, French terminology options, and a more classically styled table design. RNG versions typically offer the same rules (en prison or la partage, where included) with a simpler, faster interface. Neither format changes the underlying value the special rules provide; the choice between them comes down to pacing and presentation preference, covered more broadly in live roulette guide.

Frequently asked questions

Is French roulette always better value than European roulette? Only when it genuinely includes en prison or la partage — if a "French" table doesn't include either rule, its value is identical to a plain European table with the same wheel.

Do en prison and la partage apply to every bet type? No — both rules apply only to even-money bets (red/black, odd/even, high/low), not to inside bets or other outside bets like dozens and columns.

What's the difference between en prison and la partage? En prison carries your bet forward for one more spin when zero hits; la partage immediately returns half your stake the moment zero hits, resolving the bet right away.

Do I need to use French terminology to play French roulette? No — most online interfaces default to English terms regardless of the table's French styling; the terminology itself doesn't affect how bets are placed or paid.

How can I confirm a table actually offers en prison or la partage? Check the table's rules screen directly, typically accessible via an "i" icon near the game controls — don't assume based on the "French" label alone.