Player Data JSON

{
  "player": {
    "id": 1100,
    "api_id": 118526,
    "name": "Vivian Wolff",
    "short_name": "V. Wolff",
    "country": "USA",
    "country_code": "US",
    "gender": "Female",
    "circuit": "WTA",
    "date_of_birth": "1998-10-08",
    "height_cm": null,
    "weight_kg": null,
    "plays": "",
    "turned_pro": null
  },
  "utr": {
    "id": 74107,
    "singles": 11.38,
    "doubles": null,
    "ranking": 295,
    "division": "Pro",
    "is_pro": true,
    "updated_at": "2025-12-07"
  },
  "current_ranking": {
    "position": 380,
    "points": 160,
    "best_position": 350,
    "date": "2025-12-10"
  },
  "ranking_history": [
    {
      "date": "2025-12-10",
      "position": 380,
      "points": 160
    },
    {
      "date": "2025-12-09",
      "position": 380,
      "points": 160
    },
    {
      "date": "2025-12-08",
      "position": 380,
      "points": 160
    },
    {
      "date": "2025-12-07",
      "position": 380,
      "points": 160
    },
    {
      "date": "2025-12-06",
      "position": 380,
      "points": 160
    },
    {
      "date": "2025-12-05",
      "position": 380,
      "points": 160
    },
    {
      "date": "2025-12-04",
      "position": 380,
      "points": 160
    },
    {
      "date": "2025-12-03",
      "position": 380,
      "points": 160
    }
  ],
  "career_stats": {
    "total_matches": 4,
    "wins": 1,
    "losses": 3,
    "win_rate": 25.0
  },
  "surface_stats": {
    "hard": {
      "matches": 4,
      "wins": 1,
      "losses": 3,
      "win_rate": 25.0
    },
    "clay": {
      "matches": 0,
      "wins": 0,
      "losses": 0,
      "win_rate": 0
    },
    "grass": {
      "matches": 0,
      "wins": 0,
      "losses": 0,
      "win_rate": 0
    }
  },
  "category_stats": {
    "WTA 500": {
      "matches": 1,
      "wins": 0,
      "losses": 1,
      "win_rate": 0.0
    },
    "WTA 250": {
      "matches": 3,
      "wins": 1,
      "losses": 2,
      "win_rate": 33.3
    }
  },
  "average_match_stats": {
    "matches_with_stats": 4,
    "avg_aces_per_match": 1.5,
    "avg_double_faults_per_match": 7.0,
    "avg_first_serve_pct": 63.9,
    "avg_first_serve_won_pct": 61.3,
    "avg_second_serve_won_pct": 35.4,
    "avg_break_points_converted_pct": null
  },
  "recent_form": [
    {
      "date": "2025-11-04",
      "opponent": "Elizabeth Mandlik",
      "opponent_id": 227875,
      "tournament": "WTA 125K Austin, USA Women Singles",
      "surface": "hard",
      "round": "Round of 32",
      "result": "L",
      "score": "0-2",
      "stats": {
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        "double_faults": 5,
        "first_serve_pct": 63.63636363636363,
        "first_serve_won_pct": 48.57142857142857,
        "second_serve_won_pct": 25.0,
        "break_points_converted_pct": null,
        "total_points_won": null
      }
    },
    {
      "date": "2025-11-03",
      "opponent": "Maria Kozyreva",
      "opponent_id": 211012,
      "tournament": "WTA 125K Austin, USA Women Singles",
      "surface": "hard",
      "round": "Qualification Final",
      "result": "W",
      "score": "2-0",
      "stats": {
        "aces": 1,
        "double_faults": 4,
        "first_serve_pct": 64.28571428571429,
        "first_serve_won_pct": 66.66666666666666,
        "second_serve_won_pct": 46.15384615384615,
        "break_points_converted_pct": null,
        "total_points_won": null
      }
    },
    {
      "date": "2025-09-06",
      "opponent": "Maddison Inglis",
      "opponent_id": 99405,
      "tournament": "Guadalajara",
      "surface": "hard",
      "round": "Qualification Round 1",
      "result": "L",
      "score": "1-2",
      "stats": {
        "aces": 2,
        "double_faults": 13,
        "first_serve_pct": 64.81481481481481,
        "first_serve_won_pct": 64.28571428571429,
        "second_serve_won_pct": 26.31578947368421,
        "break_points_converted_pct": null,
        "total_points_won": null
      }
    },
    {
      "date": "2025-08-16",
      "opponent": "Talia Gibson",
      "opponent_id": 308088,
      "tournament": "Cleveland",
      "surface": "hard",
      "round": "Qualification Round 1",
      "result": "L",
      "score": "0-2",
      "stats": {
        "aces": 2,
        "double_faults": 6,
        "first_serve_pct": 63.04347826086957,
        "first_serve_won_pct": 65.51724137931035,
        "second_serve_won_pct": 23.52941176470588,
        "break_points_converted_pct": null,
        "total_points_won": null
      }
    }
  ],
  "form_summary": {
    "last_10_matches": 4,
    "wins": 1,
    "losses": 3,
    "form_string": "LWLL"
  },
  "head_to_head": [
    {
      "opponent": "Maria Kozyreva",
      "opponent_id": 211012,
      "matches": 1,
      "wins": 1,
      "losses": 0
    },
    {
      "opponent": "Maddison Inglis",
      "opponent_id": 99405,
      "matches": 1,
      "wins": 0,
      "losses": 1
    },
    {
      "opponent": "Talia Gibson",
      "opponent_id": 308088,
      "matches": 1,
      "wins": 0,
      "losses": 1
    },
    {
      "opponent": "Elizabeth Mandlik",
      "opponent_id": 227875,
      "matches": 1,
      "wins": 0,
      "losses": 1
    }
  ],
  "upcoming_matches": [],
  "year_statistics": [
    {
      "year": 2025,
      "surfaces": {
        "hardcourt_outdoor": {
          "matches": 2,
          "wins": 0,
          "losses": 2,
          "win_rate": 0.0,
          "tournaments_played": 3,
          "tournaments_won": 0,
          "tiebreaks_won": 0,
          "tiebreaks_lost": 0,
          "aces": 4,
          "double_faults": 19,
          "aces_per_match": 2.0,
          "double_faults_per_match": 9.5,
          "first_serve_pct": 73.7,
          "first_serve_won_pct": 64.6,
          "second_serve_won_pct": 38.9,
          "break_points_saved_pct": 60.0,
          "break_points_converted_pct": 66.7,
          "winners_total": 0,
          "unforced_errors_total": 0
        }
      },
      "totals": {
        "matches": 2,
        "wins": 0,
        "tournaments_played": 3,
        "tournaments_won": 0,
        "aces": 4,
        "double_faults": 19,
        "win_rate": 0.0,
        "losses": 2
      }
    }
  ],
  "data_generated_at": "2025-12-10 11:18:05 UTC"
}