# Samuel Heredia vs Justin Boulais odds comparison, 2 Nov

Compare Samuel Heredia vs Justin Boulais odds (ATP Charlottesville, 2 Nov, 16:10 UTC): the best price across bookmakers for the winner, totals and handicaps, with fair odds.

🎾 Tennis · [ATP Charlottesville](https://odds.observer/tennis/international/atp-charlottesville) · Starts 2026-11-02 16:10 UTC. 3 bookmakers.

Decimal odds. ↑/↓ from X: the price moved from X recently (last 6 hours). Fair odds are Pinnacle's prices with its margin removed; "vs fair" is how far the best price is above or below them.

### Winner

Best: Samuel Heredia: **4.01** (Polymarket), Justin Boulais: **1.28** (Polymarket). Payout at best odds: 97.3%.

| Bookmaker | 1 | 2 | Margin |
|---|---:|---:|---:|
| Betfair (exchange, after commission) | [3.94](https://www.betfair.com/exchange/plus/tennis/market/1.264905392) ↑ from 3.85 | [1.26](https://www.betfair.com/exchange/plus/tennis/market/1.264905392) ↑ from 1.25 | 4.9% |
| Kalshi (exchange, after commission) | [3.96](https://kalshi.com/markets/kxatpchallengermatch/challenger-atp/kxatpchallengermatch-26nov02herbou) | [1.28](https://kalshi.com/markets/kxatpchallengermatch/challenger-atp/kxatpchallengermatch-26nov02herbou) | 3.5% |
| Polymarket (exchange, after commission) | [**4.01**](https://polymarket.com/event/atp-heredia-boulais-2026-11-02) ↑ from 3.85 | [**1.28**](https://polymarket.com/event/atp-heredia-boulais-2026-11-02) | 2.8% |

### Total 21.5

Best: Over 21.5: **2.12** (Polymarket), Under 21.5: **1.72** (Polymarket). Payout at best odds: 94.8%.

| Bookmaker | Over 21.5 | Under 21.5 | Margin |
|---|---:|---:|---:|
| Polymarket (exchange, after commission) | [**2.12**](https://polymarket.com/event/atp-heredia-boulais-2026-11-02) | [**1.72**](https://polymarket.com/event/atp-heredia-boulais-2026-11-02) | 5.5% |


## Structured data

schema.org JSON-LD, the same as in the HTML page.

```json
[
  {
    "@context": "https://schema.org",
    "@type": "SportsEvent",
    "name": "Samuel Heredia vs Justin Boulais",
    "description": "Compare Samuel Heredia vs Justin Boulais odds (ATP Charlottesville, 2 Nov, 16:10 UTC): the best price across bookmakers for the winner, totals and handicaps, with fair odds.",
    "startDate": "2026-11-02T16:10:00.000Z",
    "eventStatus": "https://schema.org/EventScheduled",
    "sport": "Tennis",
    "url": "https://odds.observer/tennis/international/atp-charlottesville/samuel-heredia-vs-justin-boulais-111663",
    "homeTeam": {
      "@type": "SportsTeam",
      "name": "Samuel Heredia"
    },
    "awayTeam": {
      "@type": "SportsTeam",
      "name": "Justin Boulais"
    },
    "performer": [
      {
        "@type": "SportsTeam",
        "name": "Samuel Heredia"
      },
      {
        "@type": "SportsTeam",
        "name": "Justin Boulais"
      }
    ],
    "location": {
      "@type": "Place",
      "name": "International"
    },
    "organizer": {
      "@type": "SportsOrganization",
      "name": "ATP Charlottesville"
    }
  },
  {
    "@context": "https://schema.org",
    "@type": "BreadcrumbList",
    "itemListElement": [
      {
        "@type": "ListItem",
        "position": 1,
        "name": "Tennis",
        "item": "https://odds.observer/tennis"
      },
      {
        "@type": "ListItem",
        "position": 2,
        "name": "ATP Charlottesville",
        "item": "https://odds.observer/tennis/international/atp-charlottesville"
      },
      {
        "@type": "ListItem",
        "position": 3,
        "name": "Samuel Heredia vs Justin Boulais",
        "item": "https://odds.observer/tennis/international/atp-charlottesville/samuel-heredia-vs-justin-boulais-111663"
      }
    ]
  }
]
```

---
Odds change quickly; check the bookmaker's site before betting. 18+. Source: https://odds.observer/tennis/international/atp-charlottesville/samuel-heredia-vs-justin-boulais-111663
