Sports Guides

Tennis

ATP and WTA coverage: Grand Slams, Masters 1000, ATP/WTA Tours and Challenger-level events. Each match is an event; matches within a tournament share the competition name.

Competitions covered

Grand Slams — Australian Open, Roland-Garros, Wimbledon, US Open.
Tours — ATP and WTA Tour events, including Masters 1000 and WTA 1000.
Challenger / ITF — lower-tier events when markets are available.

Markets

Market	Key	Notes
Match winner	h2h	Winner of the match. A retirement counts as a loss.
Set handicap	set_handicap	Point on the set scoreline, e.g. -1.5 sets for the favourite.
Total games	total_games	Over/under on total games across all sets.
Correct score	correct_score	Exact set scoreline, e.g. 3-0, 2-3.
Next set winner	next_set_winner	Winner of the next set only; priced while a match is live.

WARNINGGrand Slam men's matches are best-of-five; all other matches are best-of-three. Best-of-five inflates total_games lines — do not compare lines across competition types.

Example — get match odds

Pull the match winner market for a US Open semi-final, in decimal format:

GET/v1/sports/tennis/odds?market=h2h&odds_format=decimalAPI key

Returns h2h odds for every open tennis match, including this sample semi-final.

Request

cURL

curl "https://api.openoddsapi.com/v1/sports/tennis/odds?market=h2h&odds_format=decimal" \
  -H "X-API-Key: sk_test_your_key_here"

JavaScript

const url = "https://api.openoddsapi.com/v1/sports/tennis/odds" +
  "?market=h2h&odds_format=decimal";
const res = await fetch(url, {
  headers: { "X-API-Key": "sk_test_your_key_here" }
});
const odds = await res.json();
console.log(odds);

Python

import requests

url = "https://api.openoddsapi.com/v1/sports/tennis/odds"
res = requests.get(
    url,
    params={"market": "h2h", "odds_format": "decimal"},
    headers={"X-API-Key": "sk_test_your_key_here"},
)
print(res.json())

200 OK — array of odds records

JSON

[
  {
    "id": "odd_ten_usopen_20260904_alcaraz_sinner_draftkings_h2h",
    "sport_key": "tennis",
    "event_id": "evt_ten_usopen_20260904_alcaraz_sinner",
    "bookmaker": "draftkings",
    "market": "h2h",
    "format": "decimal",
    "last_update": "2026-08-07T02:14:33Z",
    "outcomes": [
      { "name": "C. Alcaraz", "price": 1.56, "point": null },
      { "name": "J. Sinner", "price": 2.40, "point": null }
    ]
  }
]

Settlement notes

Retirement or walkover settles as a loss for the retiring player on h2h and next_set_winner.
total_games and set_handicap settle on the final scoreline, including tiebreak games.
Markets open roughly 48 hours before a match and suspend during rain delays.