Player Data JSON

{
  "player": {
    "id": 2669,
    "api_id": 215346,
    "name": "Karlo Kajin",
    "short_name": "K. Kajin",
    "country": "Croatia",
    "country_code": "HR",
    "gender": "Male",
    "circuit": "ATP",
    "date_of_birth": null,
    "height_cm": null,
    "weight_kg": null,
    "plays": "",
    "turned_pro": null
  },
  "utr": {
    "id": 5673519,
    "singles": 12.66,
    "doubles": 13.03,
    "ranking": 1409,
    "division": "Pro",
    "is_pro": true,
    "updated_at": "2026-01-18"
  },
  "current_ranking": null,
  "ranking_history": [],
  "career_stats": {
    "total_matches": 5,
    "wins": 2,
    "losses": 3,
    "win_rate": 40.0
  },
  "surface_stats": {
    "hard": {
      "matches": 5,
      "wins": 2,
      "losses": 3,
      "win_rate": 40.0
    },
    "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": 2,
      "losses": 3,
      "win_rate": 40.0
    }
  },
  "average_match_stats": {
    "matches_with_stats": 5,
    "avg_aces_per_match": 1.6,
    "avg_double_faults_per_match": 2.2,
    "avg_first_serve_pct": 60.2,
    "avg_first_serve_won_pct": 66.6,
    "avg_second_serve_won_pct": 43.8,
    "avg_break_points_converted_pct": null
  },
  "recent_form": [
    {
      "date": "2025-12-20",
      "opponent": "Hugo Maia",
      "opponent_id": 233191,
      "tournament": "UTR PTT Carvoeiro Men +H 08",
      "surface": "hard",
      "round": "Semifinals",
      "result": "W",
      "score": "2-1",
      "stats": {
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        "double_faults": 3,
        "first_serve_pct": 55.26315789473685,
        "first_serve_won_pct": 73.80952380952381,
        "second_serve_won_pct": 50.0,
        "break_points_converted_pct": null,
        "total_points_won": null
      }
    },
    {
      "date": "2025-12-19",
      "opponent": "Oscar Brown",
      "opponent_id": 524833,
      "tournament": "UTR PTT Carvoeiro Men +H 08",
      "surface": "hard",
      "round": "",
      "result": "L",
      "score": "0-2",
      "stats": {
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        "double_faults": 2,
        "first_serve_pct": 66.07142857142857,
        "first_serve_won_pct": 54.054054054054056,
        "second_serve_won_pct": 45.0,
        "break_points_converted_pct": null,
        "total_points_won": null
      }
    },
    {
      "date": "2025-12-18",
      "opponent": "Marcel Volz",
      "opponent_id": 484851,
      "tournament": "UTR PTT Carvoeiro Men +H 08",
      "surface": "hard",
      "round": "",
      "result": "W",
      "score": "2-1",
      "stats": {
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        "double_faults": 3,
        "first_serve_pct": 58.0246913580247,
        "first_serve_won_pct": 68.08510638297872,
        "second_serve_won_pct": 40.0,
        "break_points_converted_pct": null,
        "total_points_won": null
      }
    },
    {
      "date": "2025-12-17",
      "opponent": "Ander Tarrio Ponte",
      "opponent_id": 447335,
      "tournament": "UTR PTT Carvoeiro Men +H 08",
      "surface": "hard",
      "round": "",
      "result": "L",
      "score": "1-2",
      "stats": {
        "aces": 4,
        "double_faults": 1,
        "first_serve_pct": 62.5,
        "first_serve_won_pct": 63.07692307692307,
        "second_serve_won_pct": 50.0,
        "break_points_converted_pct": null,
        "total_points_won": null
      }
    },
    {
      "date": "2025-12-16",
      "opponent": "Tiago Cacao",
      "opponent_id": 189546,
      "tournament": "UTR PTT Carvoeiro Men +H 08",
      "surface": "hard",
      "round": "",
      "result": "L",
      "score": "0-2",
      "stats": {
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        "double_faults": 2,
        "first_serve_pct": 58.97435897435898,
        "first_serve_won_pct": 73.91304347826086,
        "second_serve_won_pct": 31.25,
        "break_points_converted_pct": null,
        "total_points_won": null
      }
    }
  ],
  "form_summary": {
    "last_10_matches": 5,
    "wins": 2,
    "losses": 3,
    "form_string": "WLWLL"
  },
  "head_to_head": [
    {
      "opponent": "Hugo Maia",
      "opponent_id": 233191,
      "matches": 1,
      "wins": 1,
      "losses": 0
    },
    {
      "opponent": "Oscar Brown",
      "opponent_id": 524833,
      "matches": 1,
      "wins": 0,
      "losses": 1
    },
    {
      "opponent": "Ander Tarrio Ponte",
      "opponent_id": 447335,
      "matches": 1,
      "wins": 0,
      "losses": 1
    },
    {
      "opponent": "Marcel Volz",
      "opponent_id": 484851,
      "matches": 1,
      "wins": 1,
      "losses": 0
    },
    {
      "opponent": "Tiago Cacao",
      "opponent_id": 189546,
      "matches": 1,
      "wins": 0,
      "losses": 1
    }
  ],
  "upcoming_matches": [],
  "year_statistics": null,
  "data_generated_at": "2026-01-30 14:26:07 UTC"
}