{
  "title": "Tennis Development Cost Evidence Register, 2026",
  "version": "1.0",
  "published": "2026-08-09",
  "lastReviewed": "2026-08-30",
  "license": "https://creativecommons.org/licenses/by/4.0/",
  "methodology": "A dated register of independently sourced cost components. It is not a lifetime-cost calculator and does not invent country totals where comparable source data do not exist.",
  "importantCorrection": "An earlier source note listed a USD 25,000 M25 purse. Current ITF calendars show USD 30,000 at M25; this file uses the current official amount.",
  "sources": [
    {
      "id": "F-005",
      "market": "United States",
      "measure": "National-level junior annual spend",
      "value": "USD 30,000-100,000 per year",
      "asOf": "2014",
      "source": "Money citing Tim Donovan",
      "url": "https://money.com/cost-to-raise-tennis-champion-wimbledon/",
      "status": "dated benchmark"
    },
    {
      "id": "F-010",
      "market": "IMG Academy",
      "measure": "Full-year tennis boarding tuition",
      "value": "USD 75,400-99,900 per year",
      "asOf": "2026-27",
      "source": "IMG Academy",
      "url": "https://www.imgacademy.com/boarding-school/tennis",
      "status": "primary current"
    },
    {
      "id": "F-020",
      "market": "ATP Challenger Tour",
      "measure": "Total annual prize money",
      "value": "USD 32.4 million",
      "asOf": "2026",
      "source": "ATP Tour",
      "url": "https://www.atptour.com/en/news/atp-challenger-tour-prize-money-record-rise-2026",
      "status": "primary current"
    },
    {
      "id": "F-023",
      "market": "ATP Challenger Tour",
      "measure": "Calendar size",
      "value": "265 events",
      "asOf": "2026",
      "source": "ATP Tour",
      "url": "https://www.atptour.com/en/news/atp-challenger-tour-prize-money-record-rise-2026",
      "status": "primary current"
    },
    {
      "id": "F-025-current",
      "market": "ITF men's World Tennis Tour",
      "measure": "Event purse",
      "value": "USD 15,000 or 30,000",
      "asOf": "2026",
      "source": "ITF",
      "url": "https://www.itftennis.com/en/tournament-calendar/mens-world-tennis-tour-calendar/",
      "status": "primary current"
    },
    {
      "id": "F-026-current",
      "market": "ITF women's World Tennis Tour",
      "measure": "Event purse",
      "value": "USD 15,000; 30,000; 40,000; 60,000; or 100,000",
      "asOf": "2026",
      "source": "ITF",
      "url": "https://www.itftennis.com/en/tours/womens-world-tennis-tour/",
      "status": "primary current"
    },
    {
      "id": "F-030-current",
      "market": "Professional tour",
      "measure": "Accounting break-even corridor",
      "value": "Approximately ATP/WTA rank 150",
      "asOf": "2026",
      "source": "Schöttl et al.",
      "url": "https://doi.org/10.1016/j.ssaho.2026.102986",
      "status": "peer-reviewed open access"
    },
    {
      "id": "F-031-current",
      "market": "2008 ITF junior top-100 cohorts",
      "measure": "Positive career financial balance",
      "value": "32-34 percent",
      "asOf": "2026",
      "source": "Schöttl et al.",
      "url": "https://doi.org/10.1016/j.ssaho.2026.102986",
      "status": "model-dependent"
    },
    {
      "id": "F-061-current",
      "market": "United Kingdom",
      "measure": "Marketplace average for private lessons",
      "value": "GBP 39 per hour",
      "asOf": "2026",
      "source": "Superprof UK",
      "url": "https://www.superprof.co.uk/lessons/tennis/united-kingdom/",
      "status": "marketplace snapshot; inclusions vary"
    },
    {
      "id": "F-062-current",
      "market": "France",
      "measure": "Marketplace average for private lessons",
      "value": "EUR 40 per hour",
      "asOf": "2026",
      "source": "Superprof France",
      "url": "https://www.superprof.fr/cours/tennis/france/",
      "status": "marketplace snapshot; inclusions vary"
    },
    {
      "id": "F-063-current",
      "market": "Spain",
      "measure": "Marketplace average for private lessons",
      "value": "EUR 23 per hour",
      "asOf": "2026",
      "source": "Superprof Spain",
      "url": "https://www.superprof.es/clases/tenis/espana/",
      "status": "marketplace snapshot; inclusions vary"
    },
    {
      "id": "F-064-current",
      "market": "Germany",
      "measure": "Marketplace average for private lessons",
      "value": "EUR 46 per hour",
      "asOf": "2026",
      "source": "Superprof Germany",
      "url": "https://www.superprof.de/unterrichtsangebot/tennis/deutschland/",
      "status": "marketplace snapshot; inclusions vary"
    },
    {
      "id": "F-065-current",
      "market": "Italy",
      "measure": "Marketplace average for private lessons",
      "value": "EUR 26 per hour",
      "asOf": "2026",
      "source": "Superprof Italy",
      "url": "https://www.superprof.it/lezione/tennis/italia/",
      "status": "marketplace snapshot; inclusions vary"
    },
    {
      "id": "F-066-current",
      "market": "Czech Republic",
      "measure": "Prague club coach fee",
      "value": "CZK 540 per hour",
      "asOf": "2026",
      "source": "Tempo Tenis Prague",
      "url": "https://www.tempotenis.cz/kurzy-tenis-pro-dospele-praha-4",
      "status": "primary price; court charged separately"
    },
    {
      "id": "F-067-current",
      "market": "Poland",
      "measure": "Major-city individual lesson listings",
      "value": "PLN 110-189 per hour",
      "asOf": "2024",
      "source": "KS Tennis Life",
      "url": "https://kstennislife.com.pl/ile-kosztuje-lekcja-tenisa-kompleksowy-cennik-roznych-wariantow-nauki",
      "status": "club-listing comparison; not a national average"
    },
    {
      "id": "ST-001",
      "market": "Stakhovsky Tennis",
      "measure": "On-court performance assessment",
      "value": "CZK 3,800 for 90 minutes",
      "asOf": "2026",
      "source": "Stakhovsky Tennis",
      "url": "https://stakhovskytennis.com/pricing",
      "status": "first-party current"
    },
    {
      "id": "ST-002",
      "market": "Stakhovsky Tennis",
      "measure": "Ongoing coaching",
      "value": "CZK 1,600 per hour",
      "asOf": "2026",
      "source": "Stakhovsky Tennis",
      "url": "https://stakhovskytennis.com/pricing",
      "status": "first-party current; court fee excluded"
    },
    {
      "id": "ST-003",
      "market": "Stakhovsky Tennis",
      "measure": "Monthly coaching programme",
      "value": "Custom written quote based on scheduled hours and format",
      "asOf": "2026",
      "source": "Stakhovsky Tennis",
      "url": "https://stakhovskytennis.com/pricing",
      "status": "first-party current"
    }
  ]
}