Player Data JSON

{
  "player": {
    "id": 3861,
    "api_id": 1159909,
    "name": "Rio Otaki",
    "short_name": "R. Otaki",
    "country": "Japan",
    "country_code": "JP",
    "gender": "Female",
    "circuit": "WTA",
    "date_of_birth": null,
    "height_cm": null,
    "weight_kg": null,
    "plays": "",
    "turned_pro": null
  },
  "utr": {
    "id": 3421121,
    "singles": 8.0,
    "doubles": null,
    "ranking": 1957,
    "division": "Junior",
    "is_pro": false,
    "updated_at": "2026-01-25"
  },
  "current_ranking": null,
  "ranking_history": [],
  "career_stats": {
    "total_matches": 4,
    "wins": 0,
    "losses": 4,
    "win_rate": 0.0
  },
  "surface_stats": {
    "hard": {
      "matches": 4,
      "wins": 0,
      "losses": 4,
      "win_rate": 0.0
    },
    "clay": {
      "matches": 0,
      "wins": 0,
      "losses": 0,
      "win_rate": 0
    },
    "grass": {
      "matches": 0,
      "wins": 0,
      "losses": 0,
      "win_rate": 0
    }
  },
  "category_stats": {
    "UTR": {
      "matches": 4,
      "wins": 0,
      "losses": 4,
      "win_rate": 0.0
    }
  },
  "average_match_stats": {
    "matches_with_stats": 4,
    "avg_aces_per_match": 0.8,
    "avg_double_faults_per_match": 3.0,
    "avg_first_serve_pct": 63.5,
    "avg_first_serve_won_pct": 46.6,
    "avg_second_serve_won_pct": 37.2,
    "avg_break_points_converted_pct": null
  },
  "recent_form": [
    {
      "date": "2025-12-25",
      "opponent": "Azuna Ichioka",
      "opponent_id": 468998,
      "tournament": "UTR PTT Saitama Women 03",
      "surface": "hard",
      "round": "",
      "result": "L",
      "score": "0-2",
      "stats": {
        "aces": 0,
        "double_faults": 3,
        "first_serve_pct": 60.0,
        "first_serve_won_pct": 54.166666666666664,
        "second_serve_won_pct": 64.70588235294117,
        "break_points_converted_pct": null,
        "total_points_won": null
      }
    },
    {
      "date": "2025-12-23",
      "opponent": "Ayana Yaguchi",
      "opponent_id": 1079559,
      "tournament": "UTR PTT Saitama Women 03",
      "surface": "hard",
      "round": "",
      "result": "L",
      "score": "0-2",
      "stats": {
        "aces": 2,
        "double_faults": 0,
        "first_serve_pct": 73.07692307692307,
        "first_serve_won_pct": 42.10526315789473,
        "second_serve_won_pct": 40.0,
        "break_points_converted_pct": null,
        "total_points_won": null
      }
    },
    {
      "date": "2025-12-23",
      "opponent": "Rina Komatsu",
      "opponent_id": 255436,
      "tournament": "UTR PTT Saitama Women 03",
      "surface": "hard",
      "round": "",
      "result": "L",
      "score": "0-2",
      "stats": {
        "aces": 1,
        "double_faults": 5,
        "first_serve_pct": 63.095238095238095,
        "first_serve_won_pct": 45.28301886792453,
        "second_serve_won_pct": 27.27272727272727,
        "break_points_converted_pct": null,
        "total_points_won": null
      }
    },
    {
      "date": "2025-12-22",
      "opponent": "Yui Shinohara",
      "opponent_id": 519128,
      "tournament": "UTR PTT Saitama Women 03",
      "surface": "hard",
      "round": "",
      "result": "L",
      "score": "0-2",
      "stats": {
        "aces": 0,
        "double_faults": 4,
        "first_serve_pct": 57.971014492753625,
        "first_serve_won_pct": 45.0,
        "second_serve_won_pct": 38.23529411764706,
        "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": "Yui Shinohara",
      "opponent_id": 519128,
      "matches": 1,
      "wins": 0,
      "losses": 1
    },
    {
      "opponent": "Rina Komatsu",
      "opponent_id": 255436,
      "matches": 1,
      "wins": 0,
      "losses": 1
    },
    {
      "opponent": "Ayana Yaguchi",
      "opponent_id": 1079559,
      "matches": 1,
      "wins": 0,
      "losses": 1
    },
    {
      "opponent": "Azuna Ichioka",
      "opponent_id": 468998,
      "matches": 1,
      "wins": 0,
      "losses": 1
    }
  ],
  "upcoming_matches": [],
  "year_statistics": null,
  "data_generated_at": "2026-01-30 12:53:06 UTC"
}