Player Data JSON

{
  "player": {
    "id": 4256,
    "api_id": 232565,
    "name": "Graham Maassen",
    "short_name": "G. Maassen",
    "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": 42973,
    "singles": null,
    "doubles": null,
    "ranking": 6718,
    "division": "General",
    "is_pro": false,
    "updated_at": "2026-01-18"
  },
  "current_ranking": null,
  "ranking_history": [],
  "career_stats": {
    "total_matches": 4,
    "wins": 1,
    "losses": 3,
    "win_rate": 25.0
  },
  "surface_stats": {
    "hard": {
      "matches": 4,
      "wins": 1,
      "losses": 3,
      "win_rate": 25.0
    },
    "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": 1,
      "losses": 3,
      "win_rate": 25.0
    }
  },
  "average_match_stats": {
    "matches_with_stats": 4,
    "avg_aces_per_match": 0.8,
    "avg_double_faults_per_match": 2.2,
    "avg_first_serve_pct": 70.3,
    "avg_first_serve_won_pct": 53.8,
    "avg_second_serve_won_pct": 37.5,
    "avg_break_points_converted_pct": null
  },
  "recent_form": [
    {
      "date": "2026-01-18",
      "opponent": "Dorian Kos",
      "opponent_id": 260199,
      "tournament": "UTR Yokohama M02",
      "surface": "hard",
      "round": "Final",
      "result": "L",
      "score": "1-2",
      "stats": {
        "aces": 0,
        "double_faults": 4,
        "first_serve_pct": 72.36842105263158,
        "first_serve_won_pct": 56.36363636363636,
        "second_serve_won_pct": 42.30769230769231,
        "break_points_converted_pct": null,
        "total_points_won": null
      }
    },
    {
      "date": "2026-01-17",
      "opponent": "Marcel Musil",
      "opponent_id": 167442,
      "tournament": "UTR Yokohama M02",
      "surface": "hard",
      "round": "Semifinals",
      "result": "W",
      "score": "2-1",
      "stats": {
        "aces": 0,
        "double_faults": 2,
        "first_serve_pct": 73.62637362637363,
        "first_serve_won_pct": 58.2089552238806,
        "second_serve_won_pct": 54.166666666666664,
        "break_points_converted_pct": null,
        "total_points_won": null
      }
    },
    {
      "date": "2026-01-16",
      "opponent": "Noritaka Koizumi",
      "opponent_id": 491950,
      "tournament": "UTR Yokohama M02",
      "surface": "hard",
      "round": "",
      "result": "L",
      "score": "0-2",
      "stats": {
        "aces": 1,
        "double_faults": 2,
        "first_serve_pct": 67.3469387755102,
        "first_serve_won_pct": 39.39393939393939,
        "second_serve_won_pct": 57.89473684210527,
        "break_points_converted_pct": null,
        "total_points_won": null
      }
    },
    {
      "date": "2026-01-15",
      "opponent": "Taiyo Uenoyama",
      "opponent_id": 491801,
      "tournament": "UTR Yokohama M02",
      "surface": "hard",
      "round": "",
      "result": "L",
      "score": "0-2",
      "stats": {
        "aces": 2,
        "double_faults": 1,
        "first_serve_pct": 68.05555555555556,
        "first_serve_won_pct": 61.224489795918366,
        "second_serve_won_pct": 55.00000000000001,
        "break_points_converted_pct": null,
        "total_points_won": null
      }
    }
  ],
  "form_summary": {
    "last_10_matches": 4,
    "wins": 1,
    "losses": 3,
    "form_string": "LWLL"
  },
  "head_to_head": [
    {
      "opponent": "Dorian Kos",
      "opponent_id": 260199,
      "matches": 1,
      "wins": 0,
      "losses": 1
    },
    {
      "opponent": "Taiyo Uenoyama",
      "opponent_id": 491801,
      "matches": 1,
      "wins": 0,
      "losses": 1
    },
    {
      "opponent": "Noritaka Koizumi",
      "opponent_id": 491950,
      "matches": 1,
      "wins": 0,
      "losses": 1
    },
    {
      "opponent": "Marcel Musil",
      "opponent_id": 167442,
      "matches": 1,
      "wins": 1,
      "losses": 0
    }
  ],
  "upcoming_matches": [],
  "year_statistics": null,
  "data_generated_at": "2026-01-30 08:51:15 UTC"
}