Player Data JSON

{
  "player": {
    "id": 1191,
    "api_id": 455715,
    "name": "Yufei Ren",
    "short_name": "Y. Ren",
    "country": "China",
    "country_code": "CN",
    "gender": "Female",
    "circuit": "WTA",
    "date_of_birth": "2006-04-11",
    "height_cm": null,
    "weight_kg": null,
    "plays": "",
    "turned_pro": null
  },
  "utr": {
    "id": 1943162,
    "singles": 10.93,
    "doubles": 10.32,
    "ranking": 528,
    "division": "Pro",
    "is_pro": true,
    "updated_at": "2025-12-07"
  },
  "current_ranking": {
    "position": 496,
    "points": 105,
    "best_position": 430,
    "date": "2025-12-10"
  },
  "ranking_history": [
    {
      "date": "2025-12-10",
      "position": 496,
      "points": 105
    },
    {
      "date": "2025-12-09",
      "position": 496,
      "points": 105
    },
    {
      "date": "2025-12-08",
      "position": 496,
      "points": 105
    },
    {
      "date": "2025-12-07",
      "position": 493,
      "points": 105
    },
    {
      "date": "2025-12-06",
      "position": 493,
      "points": 105
    },
    {
      "date": "2025-12-05",
      "position": 493,
      "points": 105
    },
    {
      "date": "2025-12-04",
      "position": 493,
      "points": 105
    },
    {
      "date": "2025-12-03",
      "position": 493,
      "points": 105
    }
  ],
  "career_stats": {
    "total_matches": 4,
    "wins": 0,
    "losses": 4,
    "win_rate": 0.0
  },
  "surface_stats": {
    "hard": {
      "matches": 3,
      "wins": 0,
      "losses": 3,
      "win_rate": 0.0
    },
    "clay": {
      "matches": 1,
      "wins": 0,
      "losses": 1,
      "win_rate": 0.0
    },
    "grass": {
      "matches": 0,
      "wins": 0,
      "losses": 0,
      "win_rate": 0
    }
  },
  "category_stats": {
    "WTA 1000": {
      "matches": 1,
      "wins": 0,
      "losses": 1,
      "win_rate": 0.0
    },
    "WTA 250": {
      "matches": 3,
      "wins": 0,
      "losses": 3,
      "win_rate": 0.0
    }
  },
  "average_match_stats": {
    "matches_with_stats": 4,
    "avg_aces_per_match": 0.2,
    "avg_double_faults_per_match": 7.5,
    "avg_first_serve_pct": 58.5,
    "avg_first_serve_won_pct": 39.9,
    "avg_second_serve_won_pct": 35.3,
    "avg_break_points_converted_pct": null
  },
  "recent_form": [
    {
      "date": "2025-10-25",
      "opponent": "Han Shi",
      "opponent_id": 327367,
      "tournament": "Jiujiang",
      "surface": "hard",
      "round": "Qualification Round 1",
      "result": "L",
      "score": "0-2",
      "stats": {
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        "double_faults": 5,
        "first_serve_pct": 38.23529411764706,
        "first_serve_won_pct": 15.384615384615385,
        "second_serve_won_pct": 71.42857142857143,
        "break_points_converted_pct": null,
        "total_points_won": null
      }
    },
    {
      "date": "2025-10-13",
      "opponent": "Haruka Kaji",
      "opponent_id": 80535,
      "tournament": "WTA 125K Jinan, China Women Singles",
      "surface": "hard",
      "round": "Round of 32",
      "result": "L",
      "score": "1-2",
      "stats": {
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        "double_faults": 12,
        "first_serve_pct": 58.88888888888889,
        "first_serve_won_pct": 64.15094339622641,
        "second_serve_won_pct": 24.324324324324326,
        "break_points_converted_pct": null,
        "total_points_won": null
      }
    },
    {
      "date": "2025-09-22",
      "opponent": "Maria Carle",
      "opponent_id": 141892,
      "tournament": "Beijing",
      "surface": "hard",
      "round": "Qualification Round 1",
      "result": "L",
      "score": "0-2",
      "stats": {
        "aces": 0,
        "double_faults": 4,
        "first_serve_pct": 67.3469387755102,
        "first_serve_won_pct": 36.36363636363637,
        "second_serve_won_pct": 63.1578947368421,
        "break_points_converted_pct": null,
        "total_points_won": null
      }
    },
    {
      "date": "2025-09-02",
      "opponent": "Yidi Yang",
      "opponent_id": 191320,
      "tournament": "WTA 125K Changsha, China Women Singles",
      "surface": "clay",
      "round": "Round of 32",
      "result": "L",
      "score": "1-2",
      "stats": {
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        "double_faults": 9,
        "first_serve_pct": 69.67213114754098,
        "first_serve_won_pct": 43.529411764705884,
        "second_serve_won_pct": 39.02439024390244,
        "break_points_converted_pct": null,
        "total_points_won": null
      }
    }
  ],
  "form_summary": {
    "last_10_matches": 4,
    "wins": 0,
    "losses": 4,
    "form_string": "LLLL"
  },
  "head_to_head": [
    {
      "opponent": "Maria Carle",
      "opponent_id": 141892,
      "matches": 1,
      "wins": 0,
      "losses": 1
    },
    {
      "opponent": "Han Shi",
      "opponent_id": 327367,
      "matches": 1,
      "wins": 0,
      "losses": 1
    },
    {
      "opponent": "Yidi Yang",
      "opponent_id": 191320,
      "matches": 1,
      "wins": 0,
      "losses": 1
    },
    {
      "opponent": "Haruka Kaji",
      "opponent_id": 80535,
      "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": 0,
          "double_faults": 9,
          "aces_per_match": 0.0,
          "double_faults_per_match": 4.5,
          "first_serve_pct": 69.2,
          "first_serve_won_pct": 30.4,
          "second_serve_won_pct": 46.4,
          "break_points_saved_pct": 27.8,
          "break_points_converted_pct": 20.0,
          "winners_total": 0,
          "unforced_errors_total": 0
        }
      },
      "totals": {
        "matches": 2,
        "wins": 0,
        "tournaments_played": 3,
        "tournaments_won": 0,
        "aces": 0,
        "double_faults": 9,
        "win_rate": 0.0,
        "losses": 2
      }
    },
    {
      "year": 2024,
      "surfaces": {
        "hardcourt_outdoor": {
          "matches": 2,
          "wins": 0,
          "losses": 2,
          "win_rate": 0.0,
          "tournaments_played": 7,
          "tournaments_won": 0,
          "tiebreaks_won": 0,
          "tiebreaks_lost": 0,
          "aces": 2,
          "double_faults": 7,
          "aces_per_match": 1.0,
          "double_faults_per_match": 3.5,
          "first_serve_pct": 73.7,
          "first_serve_won_pct": 57.8,
          "second_serve_won_pct": 53.5,
          "break_points_saved_pct": 42.1,
          "break_points_converted_pct": 33.3,
          "winners_total": 0,
          "unforced_errors_total": 0
        }
      },
      "totals": {
        "matches": 2,
        "wins": 0,
        "tournaments_played": 7,
        "tournaments_won": 0,
        "aces": 2,
        "double_faults": 7,
        "win_rate": 0.0,
        "losses": 2
      }
    }
  ],
  "data_generated_at": "2025-12-10 08:58:16 UTC"
}