Player Data JSON

{
  "player": {
    "id": 3640,
    "api_id": 449053,
    "name": "Stefan Kostic",
    "short_name": "S. Kostic",
    "country": "Australia",
    "country_code": "AU",
    "gender": "Male",
    "circuit": "ATP",
    "date_of_birth": null,
    "height_cm": null,
    "weight_kg": null,
    "plays": "",
    "turned_pro": null
  },
  "utr": {
    "id": 4205767,
    "singles": 12.0,
    "doubles": null,
    "ranking": 3542,
    "division": "General",
    "is_pro": false,
    "updated_at": "2025-12-07"
  },
  "current_ranking": null,
  "ranking_history": [],
  "career_stats": {
    "total_matches": 3,
    "wins": 1,
    "losses": 2,
    "win_rate": 33.3
  },
  "surface_stats": {
    "hard": {
      "matches": 3,
      "wins": 1,
      "losses": 2,
      "win_rate": 33.3
    },
    "clay": {
      "matches": 0,
      "wins": 0,
      "losses": 0,
      "win_rate": 0
    },
    "grass": {
      "matches": 0,
      "wins": 0,
      "losses": 0,
      "win_rate": 0
    }
  },
  "category_stats": {
    "UTR": {
      "matches": 3,
      "wins": 1,
      "losses": 2,
      "win_rate": 33.3
    }
  },
  "average_match_stats": {
    "matches_with_stats": 3,
    "avg_aces_per_match": 4.7,
    "avg_double_faults_per_match": 5.3,
    "avg_first_serve_pct": 54.3,
    "avg_first_serve_won_pct": 66.0,
    "avg_second_serve_won_pct": 41.0,
    "avg_break_points_converted_pct": null
  },
  "recent_form": [
    {
      "date": "2025-12-09",
      "opponent": "Flynn Caruana",
      "opponent_id": 490673,
      "tournament": "UTR PTT Melbourne Men 01",
      "surface": "hard",
      "round": "",
      "result": "W",
      "score": "1-1",
      "stats": {
        "aces": 7,
        "double_faults": 6,
        "first_serve_pct": 42.465753424657535,
        "first_serve_won_pct": 77.41935483870968,
        "second_serve_won_pct": 38.095238095238095,
        "break_points_converted_pct": null,
        "total_points_won": null
      }
    },
    {
      "date": "2025-12-08",
      "opponent": "Marcus Nield",
      "opponent_id": 500269,
      "tournament": "UTR PTT Melbourne Men 01",
      "surface": "hard",
      "round": "",
      "result": "L",
      "score": "0-2",
      "stats": {
        "aces": 2,
        "double_faults": 2,
        "first_serve_pct": 66.66666666666666,
        "first_serve_won_pct": 50.0,
        "second_serve_won_pct": 61.111111111111114,
        "break_points_converted_pct": null,
        "total_points_won": null
      }
    },
    {
      "date": "2025-12-07",
      "opponent": "Sam Young-Mathers",
      "opponent_id": 484771,
      "tournament": "UTR PTT Melbourne Men 01",
      "surface": "hard",
      "round": "",
      "result": "L",
      "score": "1-2",
      "stats": {
        "aces": 5,
        "double_faults": 8,
        "first_serve_pct": 53.70370370370371,
        "first_serve_won_pct": 70.6896551724138,
        "second_serve_won_pct": 36.0,
        "break_points_converted_pct": null,
        "total_points_won": null
      }
    }
  ],
  "form_summary": {
    "last_10_matches": 3,
    "wins": 1,
    "losses": 2,
    "form_string": "WLL"
  },
  "head_to_head": [
    {
      "opponent": "Marcus Nield",
      "opponent_id": 500269,
      "matches": 1,
      "wins": 0,
      "losses": 1
    },
    {
      "opponent": "Flynn Caruana",
      "opponent_id": 490673,
      "matches": 1,
      "wins": 1,
      "losses": 0
    },
    {
      "opponent": "Sam Young-Mathers",
      "opponent_id": 484771,
      "matches": 1,
      "wins": 0,
      "losses": 1
    }
  ],
  "upcoming_matches": [
    {
      "date": "2025-12-11 03:00",
      "opponent": "Omar Jasika",
      "opponent_id": 79467,
      "tournament": "UTR PTT Melbourne Men 01",
      "surface": "hard",
      "round": "",
      "odds_player": null,
      "odds_opponent": null
    }
  ],
  "year_statistics": null,
  "data_generated_at": "2025-12-10 11:51:18 UTC"
}