Player Data JSON

{
  "player": {
    "id": 3830,
    "api_id": 450623,
    "name": "Kaho Oyama",
    "short_name": "K. Oyama",
    "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": 3749689,
    "singles": 8.0,
    "doubles": null,
    "ranking": 3872,
    "division": "General",
    "is_pro": false,
    "updated_at": "2026-01-18"
  },
  "current_ranking": null,
  "ranking_history": [],
  "career_stats": {
    "total_matches": 5,
    "wins": 0,
    "losses": 5,
    "win_rate": 0.0
  },
  "surface_stats": {
    "hard": {
      "matches": 5,
      "wins": 0,
      "losses": 5,
      "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": 5,
      "wins": 0,
      "losses": 5,
      "win_rate": 0.0
    }
  },
  "average_match_stats": {
    "matches_with_stats": 5,
    "avg_aces_per_match": 0.0,
    "avg_double_faults_per_match": 1.0,
    "avg_first_serve_pct": 72.6,
    "avg_first_serve_won_pct": 40.4,
    "avg_second_serve_won_pct": 39.5,
    "avg_break_points_converted_pct": null
  },
  "recent_form": [
    {
      "date": "2025-12-21",
      "opponent": "Azusa Ishii",
      "opponent_id": 494062,
      "tournament": "UTR PTT Saitama Women 02",
      "surface": "hard",
      "round": "Semifinals",
      "result": "L",
      "score": "0-2",
      "stats": {
        "aces": 0,
        "double_faults": 1,
        "first_serve_pct": 66.66666666666666,
        "first_serve_won_pct": 32.5,
        "second_serve_won_pct": 36.36363636363637,
        "break_points_converted_pct": null,
        "total_points_won": null
      }
    },
    {
      "date": "2025-12-19",
      "opponent": "Mayuka Aikawa",
      "opponent_id": 234320,
      "tournament": "UTR PTT Saitama Women 02",
      "surface": "hard",
      "round": "",
      "result": "L",
      "score": "0-2",
      "stats": {
        "aces": 0,
        "double_faults": 0,
        "first_serve_pct": 68.88888888888889,
        "first_serve_won_pct": 41.935483870967744,
        "second_serve_won_pct": 21.428571428571427,
        "break_points_converted_pct": null,
        "total_points_won": null
      }
    },
    {
      "date": "2025-12-18",
      "opponent": "Nana Kawagishi",
      "opponent_id": 301521,
      "tournament": "UTR PTT Saitama Women 02",
      "surface": "hard",
      "round": "",
      "result": "L",
      "score": "0-2",
      "stats": {
        "aces": 0,
        "double_faults": 0,
        "first_serve_pct": 82.6086956521739,
        "first_serve_won_pct": 39.473684210526315,
        "second_serve_won_pct": 37.5,
        "break_points_converted_pct": null,
        "total_points_won": null
      }
    },
    {
      "date": "2025-12-16",
      "opponent": "Junri Namigata",
      "opponent_id": 18978,
      "tournament": "UTR PTT Saitama Women 02",
      "surface": "hard",
      "round": "",
      "result": "L",
      "score": "0-2",
      "stats": {
        "aces": 0,
        "double_faults": 1,
        "first_serve_pct": 67.79661016949152,
        "first_serve_won_pct": 45.0,
        "second_serve_won_pct": 42.10526315789473,
        "break_points_converted_pct": null,
        "total_points_won": null
      }
    },
    {
      "date": "2025-12-15",
      "opponent": "Yui Ohwaki",
      "opponent_id": 508394,
      "tournament": "UTR PTT Saitama Women 02",
      "surface": "hard",
      "round": "",
      "result": "L",
      "score": "0-2",
      "stats": {
        "aces": 0,
        "double_faults": 3,
        "first_serve_pct": 77.08333333333334,
        "first_serve_won_pct": 43.24324324324324,
        "second_serve_won_pct": 56.25,
        "break_points_converted_pct": null,
        "total_points_won": null
      }
    }
  ],
  "form_summary": {
    "last_10_matches": 5,
    "wins": 0,
    "losses": 5,
    "form_string": "LLLLL"
  },
  "head_to_head": [
    {
      "opponent": "Azusa Ishii",
      "opponent_id": 494062,
      "matches": 1,
      "wins": 0,
      "losses": 1
    },
    {
      "opponent": "Yui Ohwaki",
      "opponent_id": 508394,
      "matches": 1,
      "wins": 0,
      "losses": 1
    },
    {
      "opponent": "Junri Namigata",
      "opponent_id": 18978,
      "matches": 1,
      "wins": 0,
      "losses": 1
    },
    {
      "opponent": "Nana Kawagishi",
      "opponent_id": 301521,
      "matches": 1,
      "wins": 0,
      "losses": 1
    },
    {
      "opponent": "Mayuka Aikawa",
      "opponent_id": 234320,
      "matches": 1,
      "wins": 0,
      "losses": 1
    }
  ],
  "upcoming_matches": [],
  "year_statistics": null,
  "data_generated_at": "2026-01-30 15:27:10 UTC"
}