Player Data JSON

{
  "player": {
    "id": 2794,
    "api_id": 265567,
    "name": "Karl Kazuma Lee",
    "short_name": "K. K. Lee",
    "country": "USA",
    "country_code": "US",
    "gender": "Male",
    "circuit": "ATP",
    "date_of_birth": null,
    "height_cm": null,
    "weight_kg": null,
    "plays": "",
    "turned_pro": null
  },
  "utr": {
    "id": 4227898,
    "singles": 13.02,
    "doubles": 12.53,
    "ranking": 1101,
    "division": "Pro",
    "is_pro": true,
    "updated_at": "2026-01-18"
  },
  "current_ranking": null,
  "ranking_history": [],
  "career_stats": {
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    "wins": 8,
    "losses": 2,
    "win_rate": 80.0
  },
  "surface_stats": {
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      "win_rate": 80.0
    },
    "clay": {
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      "win_rate": 0
    },
    "grass": {
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      "win_rate": 0
    }
  },
  "category_stats": {
    "UTR": {
      "matches": 10,
      "wins": 8,
      "losses": 2,
      "win_rate": 80.0
    }
  },
  "average_match_stats": {
    "matches_with_stats": 10,
    "avg_aces_per_match": 4.1,
    "avg_double_faults_per_match": 2.4,
    "avg_first_serve_pct": 61.6,
    "avg_first_serve_won_pct": 67.4,
    "avg_second_serve_won_pct": 48.6,
    "avg_break_points_converted_pct": null
  },
  "recent_form": [
    {
      "date": "2026-01-10",
      "opponent": "Yuta Tomida",
      "opponent_id": 415589,
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      "date": "2026-01-09",
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      "opponent_id": 158610,
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        "break_points_converted_pct": null,
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    },
    {
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        "total_points_won": null
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    },
    {
      "date": "2026-01-06",
      "opponent": "Daiki Yoshimura",
      "opponent_id": 220912,
      "tournament": "UTR Yokohama M01",
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      "score": "2-0",
      "stats": {
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    },
    {
      "date": "2026-01-05",
      "opponent": "Shion Yamada",
      "opponent_id": 1162071,
      "tournament": "UTR Yokohama M01",
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    },
    {
      "date": "2025-12-28",
      "opponent": "Ryotaro Matsumura",
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      "round": "Final",
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    {
      "date": "2025-12-27",
      "opponent": "Daiki Yoshimura",
      "opponent_id": 220912,
      "tournament": "UTR PTT Saitama Men 05",
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      "round": "Semifinals",
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    },
    {
      "date": "2025-12-25",
      "opponent": "Yoshinori Kobayashi",
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      "tournament": "UTR PTT Saitama Men 05",
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    },
    {
      "date": "2025-12-23",
      "opponent": "Ewan Ogura",
      "opponent_id": 288523,
      "tournament": "UTR PTT Saitama Men 05",
      "surface": "hard",
      "round": "",
      "result": "W",
      "score": "2-1",
      "stats": {
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    },
    {
      "date": "2025-12-22",
      "opponent": "Shingo Masuda",
      "opponent_id": 509492,
      "tournament": "UTR PTT Saitama Men 05",
      "surface": "hard",
      "round": "",
      "result": "W",
      "score": "2-0",
      "stats": {
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        "break_points_converted_pct": null,
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    }
  ],
  "form_summary": {
    "last_10_matches": 10,
    "wins": 8,
    "losses": 2,
    "form_string": "LWWWWLWWWW"
  },
  "head_to_head": [
    {
      "opponent": "Daiki Yoshimura",
      "opponent_id": 220912,
      "matches": 2,
      "wins": 2,
      "losses": 0
    },
    {
      "opponent": "Yuga Tashiro",
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    },
    {
      "opponent": "Seiya Nakanishi",
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    },
    {
      "opponent": "Ryotaro Matsumura",
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      "losses": 1
    },
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      "opponent": "Ewan Ogura",
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      "matches": 1,
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    }
  ],
  "upcoming_matches": [],
  "year_statistics": null,
  "data_generated_at": "2026-01-30 17:04:24 UTC"
}