Ball Pitchzone

A continuous span describing which longitudinal third of the pitch the ball is currently in. Carries a pitchzone enum: defensive_third, middle_third, attacking_third.

Category: Structure

Properties

Property	Type	Description	Values
pitchzone	str	Pitch-third span label on ball_pitchzone events.	defensive_third, middle_third, attacking_third

Property Values

pitchzone

A continuous span describing which longitudinal third of the pitch the ball is currently in. Carries a pitchzone enum: defensive_third, middle_third, attacking_third.

Value	Description
defensive_third	Ball is in the longitudinal third closest to the in-possession team's own goal.
middle_third	Ball is in the central longitudinal third.
attacking_third	Ball is in the longitudinal third closest to the opposition goal.

Accuracy

Engine output scored against ground truth on held-out evaluation games, metric frame_macro_f1 (per-frame, macro-averaged over classes), measured 2026-10-18; per-match confidence is the separate confidence_event property.

Ground-truth source	Accuracy	Macro F1	Frames
World Cup Broadcast	0.87	0.86	304,848

Querying

Request body for Query Intervals.

{
  "filters": [
    {
      "type": "event_property",
      "event_type": "ball_pitchzone",
      "properties": []
    }
  ]
}

properties constrains the metadata fields listed above. See Event Property Filter.

Response

Shape of this event type in the Events endpoint response.

{
  "event_id": "06a0765b-0006-7006-8000-000000000006",
  "start": 125.5,
  "end": 135.5,
  "label": "ball_pitchzone",
  "event_type": "ball_pitchzone",
  "team_id": null,
  "timeline_confidence": null
}