Player Data JSON

{
  "player": {
    "id": 2946,
    "api_id": 413668,
    "name": "Rio Wakayama",
    "short_name": "R. Wakayama",
    "country": "Japan",
    "country_code": "JP",
    "gender": "Female",
    "circuit": "WTA",
    "date_of_birth": "2007-04-05",
    "height_cm": null,
    "weight_kg": null,
    "plays": "",
    "turned_pro": null
  },
  "utr": {
    "id": 4712329,
    "singles": 8.0,
    "doubles": null,
    "ranking": 5260,
    "division": "General",
    "is_pro": false,
    "updated_at": "2026-01-18"
  },
  "current_ranking": null,
  "ranking_history": [],
  "career_stats": {
    "total_matches": 5,
    "wins": 1,
    "losses": 4,
    "win_rate": 20.0
  },
  "surface_stats": {
    "hard": {
      "matches": 5,
      "wins": 1,
      "losses": 4,
      "win_rate": 20.0
    },
    "clay": {
      "matches": 0,
      "wins": 0,
      "losses": 0,
      "win_rate": 0
    },
    "grass": {
      "matches": 0,
      "wins": 0,
      "losses": 0,
      "win_rate": 0
    }
  },
  "category_stats": {
    "UTR": {
      "matches": 5,
      "wins": 1,
      "losses": 4,
      "win_rate": 20.0
    }
  },
  "average_match_stats": {
    "matches_with_stats": 5,
    "avg_aces_per_match": 0.0,
    "avg_double_faults_per_match": 1.8,
    "avg_first_serve_pct": 73.2,
    "avg_first_serve_won_pct": 46.0,
    "avg_second_serve_won_pct": 34.4,
    "avg_break_points_converted_pct": null
  },
  "recent_form": [
    {
      "date": "2026-01-09",
      "opponent": "Aya Kumagai",
      "opponent_id": 466999,
      "tournament": "UTR Yokohama W01",
      "surface": "hard",
      "round": "Match for 3rd place",
      "result": "W",
      "score": "2-1",
      "stats": {
        "aces": 0,
        "double_faults": 1,
        "first_serve_pct": 74.31192660550458,
        "first_serve_won_pct": 55.55555555555556,
        "second_serve_won_pct": 35.0,
        "break_points_converted_pct": null,
        "total_points_won": null
      }
    },
    {
      "date": "2026-01-08",
      "opponent": "Kokoro Ishikawa",
      "opponent_id": 1047000,
      "tournament": "UTR Yokohama W01",
      "surface": "hard",
      "round": "Semifinals",
      "result": "L",
      "score": "0-2",
      "stats": {
        "aces": 0,
        "double_faults": 2,
        "first_serve_pct": 73.33333333333333,
        "first_serve_won_pct": 22.727272727272727,
        "second_serve_won_pct": 12.5,
        "break_points_converted_pct": null,
        "total_points_won": null
      }
    },
    {
      "date": "2026-01-07",
      "opponent": "Miyu Nakashima",
      "opponent_id": 297195,
      "tournament": "UTR Yokohama W01",
      "surface": "hard",
      "round": "",
      "result": "L",
      "score": "1-2",
      "stats": {
        "aces": 0,
        "double_faults": 4,
        "first_serve_pct": 74.07407407407408,
        "first_serve_won_pct": 60.0,
        "second_serve_won_pct": 33.33333333333333,
        "break_points_converted_pct": null,
        "total_points_won": null
      }
    },
    {
      "date": "2026-01-06",
      "opponent": "Michiru Furuya",
      "opponent_id": 151380,
      "tournament": "UTR Yokohama W01",
      "surface": "hard",
      "round": "",
      "result": "L",
      "score": "0-2",
      "stats": {
        "aces": 0,
        "double_faults": 2,
        "first_serve_pct": 64.28571428571429,
        "first_serve_won_pct": 44.44444444444444,
        "second_serve_won_pct": 35.0,
        "break_points_converted_pct": null,
        "total_points_won": null
      }
    },
    {
      "date": "2026-01-05",
      "opponent": "Yuki Morishita",
      "opponent_id": 452531,
      "tournament": "UTR Yokohama W01",
      "surface": "hard",
      "round": "",
      "result": "L",
      "score": "0-2",
      "stats": {
        "aces": 0,
        "double_faults": 0,
        "first_serve_pct": 80.0,
        "first_serve_won_pct": 47.05882352941176,
        "second_serve_won_pct": 41.17647058823529,
        "break_points_converted_pct": null,
        "total_points_won": null
      }
    }
  ],
  "form_summary": {
    "last_10_matches": 5,
    "wins": 1,
    "losses": 4,
    "form_string": "WLLLL"
  },
  "head_to_head": [
    {
      "opponent": "Aya Kumagai",
      "opponent_id": 466999,
      "matches": 1,
      "wins": 1,
      "losses": 0
    },
    {
      "opponent": "Michiru Furuya",
      "opponent_id": 151380,
      "matches": 1,
      "wins": 0,
      "losses": 1
    },
    {
      "opponent": "Kokoro Ishikawa",
      "opponent_id": 1047000,
      "matches": 1,
      "wins": 0,
      "losses": 1
    },
    {
      "opponent": "Yuki Morishita",
      "opponent_id": 452531,
      "matches": 1,
      "wins": 0,
      "losses": 1
    },
    {
      "opponent": "Miyu Nakashima",
      "opponent_id": 297195,
      "matches": 1,
      "wins": 0,
      "losses": 1
    }
  ],
  "upcoming_matches": [],
  "year_statistics": null,
  "data_generated_at": "2026-01-30 08:51:16 UTC"
}