Player Data JSON

{
  "player": {
    "id": 3803,
    "api_id": 1094498,
    "name": "Mark Krupkin",
    "short_name": "M. Krupkin",
    "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": 1784832,
    "singles": 12.0,
    "doubles": null,
    "ranking": 3378,
    "division": "General",
    "is_pro": false,
    "updated_at": "2026-01-18"
  },
  "current_ranking": null,
  "ranking_history": [],
  "career_stats": {
    "total_matches": 4,
    "wins": 2,
    "losses": 2,
    "win_rate": 50.0
  },
  "surface_stats": {
    "hard": {
      "matches": 4,
      "wins": 2,
      "losses": 2,
      "win_rate": 50.0
    },
    "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": 2,
      "losses": 2,
      "win_rate": 50.0
    }
  },
  "average_match_stats": {
    "matches_with_stats": 4,
    "avg_aces_per_match": 2.2,
    "avg_double_faults_per_match": 9.0,
    "avg_first_serve_pct": 56.5,
    "avg_first_serve_won_pct": 78.0,
    "avg_second_serve_won_pct": 40.2,
    "avg_break_points_converted_pct": null
  },
  "recent_form": [
    {
      "date": "2025-12-20",
      "opponent": "Lukas Steffen",
      "opponent_id": 1044789,
      "tournament": "UTR PTT Boca Raton Men 10",
      "surface": "hard",
      "round": "Semifinals",
      "result": "L",
      "score": "0-2",
      "stats": {
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        "double_faults": 11,
        "first_serve_pct": 49.056603773584904,
        "first_serve_won_pct": 69.23076923076923,
        "second_serve_won_pct": 59.09090909090909,
        "break_points_converted_pct": null,
        "total_points_won": null
      }
    },
    {
      "date": "2025-12-17",
      "opponent": "Gabriel Valdes",
      "opponent_id": 1158259,
      "tournament": "UTR PTT Boca Raton Men 10",
      "surface": "hard",
      "round": "",
      "result": "W",
      "score": "2-0",
      "stats": {
        "aces": 3,
        "double_faults": 3,
        "first_serve_pct": 63.63636363636363,
        "first_serve_won_pct": 92.85714285714286,
        "second_serve_won_pct": 75.0,
        "break_points_converted_pct": null,
        "total_points_won": null
      }
    },
    {
      "date": "2025-12-16",
      "opponent": "Emmett Potter",
      "opponent_id": 496774,
      "tournament": "UTR PTT Boca Raton Men 10",
      "surface": "hard",
      "round": "",
      "result": "W",
      "score": "2-1",
      "stats": {
        "aces": 3,
        "double_faults": 10,
        "first_serve_pct": 62.35294117647059,
        "first_serve_won_pct": 69.81132075471697,
        "second_serve_won_pct": 40.625,
        "break_points_converted_pct": null,
        "total_points_won": null
      }
    },
    {
      "date": "2025-12-15",
      "opponent": "Nicholas Snyder",
      "opponent_id": 1158257,
      "tournament": "UTR PTT Boca Raton Men 10",
      "surface": "hard",
      "round": "",
      "result": "L",
      "score": "0-2",
      "stats": {
        "aces": 0,
        "double_faults": 12,
        "first_serve_pct": 50.847457627118644,
        "first_serve_won_pct": 80.0,
        "second_serve_won_pct": 37.93103448275862,
        "break_points_converted_pct": null,
        "total_points_won": null
      }
    }
  ],
  "form_summary": {
    "last_10_matches": 4,
    "wins": 2,
    "losses": 2,
    "form_string": "LWWL"
  },
  "head_to_head": [
    {
      "opponent": "Lukas Steffen",
      "opponent_id": 1044789,
      "matches": 1,
      "wins": 0,
      "losses": 1
    },
    {
      "opponent": "Emmett Potter",
      "opponent_id": 496774,
      "matches": 1,
      "wins": 1,
      "losses": 0
    },
    {
      "opponent": "Gabriel Valdes",
      "opponent_id": 1158259,
      "matches": 1,
      "wins": 1,
      "losses": 0
    },
    {
      "opponent": "Nicholas Snyder",
      "opponent_id": 1158257,
      "matches": 1,
      "wins": 0,
      "losses": 1
    }
  ],
  "upcoming_matches": [],
  "year_statistics": null,
  "data_generated_at": "2026-01-30 18:00:47 UTC"
}