Player Data JSON

{
  "player": {
    "id": 4081,
    "api_id": 417423,
    "name": "Zhengqing Ji",
    "short_name": "Z. Ji",
    "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": 5731023,
    "singles": 12.0,
    "doubles": null,
    "ranking": 2546,
    "division": "General",
    "is_pro": false,
    "updated_at": "2026-01-25"
  },
  "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": 6.2,
    "avg_double_faults_per_match": 1.8,
    "avg_first_serve_pct": 61.2,
    "avg_first_serve_won_pct": 67.4,
    "avg_second_serve_won_pct": 53.4,
    "avg_break_points_converted_pct": null
  },
  "recent_form": [
    {
      "date": "2026-01-10",
      "opponent": "Benjamin Berger",
      "opponent_id": 1055300,
      "tournament": "UTR Newport Beach M01",
      "surface": "hard",
      "round": "",
      "result": "W",
      "score": "2-1",
      "stats": {
        "aces": 6,
        "double_faults": 3,
        "first_serve_pct": 59.78260869565217,
        "first_serve_won_pct": 78.18181818181819,
        "second_serve_won_pct": 50.943396226415096,
        "break_points_converted_pct": null,
        "total_points_won": null
      }
    },
    {
      "date": "2026-01-08",
      "opponent": "Max Fardanesh",
      "opponent_id": 482677,
      "tournament": "UTR Newport Beach M01",
      "surface": "hard",
      "round": "",
      "result": "L",
      "score": "0-2",
      "stats": {
        "aces": 0,
        "double_faults": 1,
        "first_serve_pct": 56.00000000000001,
        "first_serve_won_pct": 53.57142857142857,
        "second_serve_won_pct": 68.42105263157895,
        "break_points_converted_pct": null,
        "total_points_won": null
      }
    },
    {
      "date": "2026-01-06",
      "opponent": "Adam Bain",
      "opponent_id": 1044104,
      "tournament": "UTR Newport Beach M01",
      "surface": "hard",
      "round": "",
      "result": "L",
      "score": "0-2",
      "stats": {
        "aces": 6,
        "double_faults": 2,
        "first_serve_pct": 58.06451612903226,
        "first_serve_won_pct": 66.66666666666666,
        "second_serve_won_pct": 75.0,
        "break_points_converted_pct": null,
        "total_points_won": null
      }
    },
    {
      "date": "2026-01-05",
      "opponent": "Adam Chodur",
      "opponent_id": 1088860,
      "tournament": "UTR Newport Beach M01",
      "surface": "hard",
      "round": "",
      "result": "L",
      "score": "1-2",
      "stats": {
        "aces": 13,
        "double_faults": 1,
        "first_serve_pct": 71.08433734939759,
        "first_serve_won_pct": 71.1864406779661,
        "second_serve_won_pct": 58.333333333333336,
        "break_points_converted_pct": null,
        "total_points_won": null
      }
    }
  ],
  "form_summary": {
    "last_10_matches": 4,
    "wins": 1,
    "losses": 3,
    "form_string": "WLLL"
  },
  "head_to_head": [
    {
      "opponent": "Benjamin Berger",
      "opponent_id": 1055300,
      "matches": 1,
      "wins": 1,
      "losses": 0
    },
    {
      "opponent": "Max Fardanesh",
      "opponent_id": 482677,
      "matches": 1,
      "wins": 0,
      "losses": 1
    },
    {
      "opponent": "Adam Bain",
      "opponent_id": 1044104,
      "matches": 1,
      "wins": 0,
      "losses": 1
    },
    {
      "opponent": "Adam Chodur",
      "opponent_id": 1088860,
      "matches": 1,
      "wins": 0,
      "losses": 1
    }
  ],
  "upcoming_matches": [],
  "year_statistics": null,
  "data_generated_at": "2026-01-30 19:29:47 UTC"
}