---
title: "Constantin Bittoun Kouzmine vs Leonardo Rossi"
canonical_url: https://betcrypto.now/events/constantin-bittoun-kouzmine-vs-leonardo-rossi
status: settled
kickoff_at: 2026-09-27T13:50:00+00:00
trading_closes_at: 2026-10-04T13:50:00+00:00
settled_at: 2026-09-27T18:16:21+00:00
total_volume_usd: 39304.39
venues: ["Kalshi", "Polymarket", "Polymarket US"]
categories: ["Sports", "Tennis"]
prices_as_of: 2026-10-09T10:47:43+00:00
publisher: BetCrypto
data_api: https://betcrypto.now/api/v1/events/constantin-bittoun-kouzmine-vs-leonardo-rossi
---

# Constantin Bittoun Kouzmine vs Leonardo Rossi

Settled · kickoff 2026-09-27 13:50 UTC · $39,304 traded · listed on Kalshi, Polymarket, Polymarket US

## Result

**Leonardo Rossi** won. Settled 2026-09-27.

## About

The following market refers to the Bittoun Kouzmine vs Rossi professional tennis match in the 2026 ATP Challenger Mouilleron-Le-Captif Qualification Round 1 after a ball has been played. If the match does not occur (signaled by a ball being played) due to a player injury, walkover, forfeiture, or any other cancellation (all before the match starts), the market will resolve to a fair price in accordance with the rules. If this match is postponed or delayed, the market will remain open and close after the rescheduled match has finished (within two weeks).

Kalshi is not affiliated, associated, authorized, endorsed by, or in any way officially connected with the Governing League. All trademarks, logos, and brand names are the property of their respective owners.

_From Kalshi's listing._

## Other markets

- Spread 1.5 — 2 outcomes
- Spread -1.5 — 2 outcomes
- Total O/U 22.5 — 2 outcomes
- Set 1 Winner — 2 outcomes
- Set 2 Winner — 2 outcomes
- Over 2.5 sets — 2 outcomes
- Constantin Bittoun Kouzmine by over 1.5 sets — 2 outcomes
- Kouzmine wins 2-0 — 2 outcomes
- Kouzmine wins 2-1 — 2 outcomes
- Spread -4.5 — 2 outcomes
- Spread -7.5 — 2 outcomes
- Total O/U 27.5 — 2 outcomes
- Rossi wins 2-0 — 2 outcomes
- Rossi wins 2-1 — 2 outcomes
- Spread 4.5 — 2 outcomes
- Spread 7.5 — 2 outcomes
- Leonardo Rossi by over 1.5 sets — 2 outcomes
- Total O/U 17.5 — 2 outcomes
- Completed Match — 2 outcomes

_Every market's prices are on the event page._

## Open on a venue

- [Kalshi](https://betcrypto.now/go/e/639029?via=md)
- [Polymarket](https://betcrypto.now/go/e/635591?via=md)
- [Polymarket US](https://betcrypto.now/go/e/632477?via=md)

---

Probability is the cross-venue consensus (book midpoints, 0–100%). Venue columns are what buying costs there (the ask). Prices move constantly; re-check at the canonical URL or https://betcrypto.now/api/v1/events/constantin-bittoun-kouzmine-vs-leonardo-rossi.

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