Player Data JSON

{
  "player": {
    "id": 4356,
    "api_id": 1079683,
    "name": "Masaki Tonaka",
    "short_name": "M. Tonaka",
    "country": "Japan",
    "country_code": "JP",
    "gender": "Male",
    "circuit": "ATP",
    "date_of_birth": null,
    "height_cm": null,
    "weight_kg": null,
    "plays": "",
    "turned_pro": null
  },
  "utr": null,
  "current_ranking": null,
  "ranking_history": [],
  "career_stats": {
    "total_matches": 3,
    "wins": 1,
    "losses": 2,
    "win_rate": 33.3
  },
  "surface_stats": {
    "hard": {
      "matches": 3,
      "wins": 1,
      "losses": 2,
      "win_rate": 33.3
    },
    "clay": {
      "matches": 0,
      "wins": 0,
      "losses": 0,
      "win_rate": 0
    },
    "grass": {
      "matches": 0,
      "wins": 0,
      "losses": 0,
      "win_rate": 0
    }
  },
  "category_stats": {
    "UTR": {
      "matches": 3,
      "wins": 1,
      "losses": 2,
      "win_rate": 33.3
    }
  },
  "average_match_stats": {
    "matches_with_stats": 3,
    "avg_aces_per_match": 0.0,
    "avg_double_faults_per_match": 0.3,
    "avg_first_serve_pct": 89.5,
    "avg_first_serve_won_pct": 48.6,
    "avg_second_serve_won_pct": 31.2,
    "avg_break_points_converted_pct": null
  },
  "recent_form": [
    {
      "date": "2026-01-29",
      "opponent": "Seiya Nakanishi",
      "opponent_id": 158610,
      "tournament": "UTR Yokohama M03",
      "surface": "hard",
      "round": "",
      "result": "W",
      "score": "2-0",
      "stats": {
        "aces": 0,
        "double_faults": 0,
        "first_serve_pct": 100.0,
        "first_serve_won_pct": 56.71641791044776,
        "second_serve_won_pct": null,
        "break_points_converted_pct": null,
        "total_points_won": null
      }
    },
    {
      "date": "2026-01-28",
      "opponent": "Ryotaro Matsumura",
      "opponent_id": 52068,
      "tournament": "UTR Yokohama M03",
      "surface": "hard",
      "round": "",
      "result": "L",
      "score": "0-2",
      "stats": {
        "aces": 0,
        "double_faults": 1,
        "first_serve_pct": 68.62745098039215,
        "first_serve_won_pct": 34.285714285714285,
        "second_serve_won_pct": 31.25,
        "break_points_converted_pct": null,
        "total_points_won": null
      }
    },
    {
      "date": "2026-01-26",
      "opponent": "Noritaka Koizumi",
      "opponent_id": 491950,
      "tournament": "UTR Yokohama M03",
      "surface": "hard",
      "round": "",
      "result": "L",
      "score": "1-2",
      "stats": {
        "aces": 0,
        "double_faults": 0,
        "first_serve_pct": 100.0,
        "first_serve_won_pct": 54.87804878048781,
        "second_serve_won_pct": null,
        "break_points_converted_pct": null,
        "total_points_won": null
      }
    }
  ],
  "form_summary": {
    "last_10_matches": 3,
    "wins": 1,
    "losses": 2,
    "form_string": "WLL"
  },
  "head_to_head": [
    {
      "opponent": "Seiya Nakanishi",
      "opponent_id": 158610,
      "matches": 1,
      "wins": 1,
      "losses": 0
    },
    {
      "opponent": "Ryotaro Matsumura",
      "opponent_id": 52068,
      "matches": 1,
      "wins": 0,
      "losses": 1
    },
    {
      "opponent": "Noritaka Koizumi",
      "opponent_id": 491950,
      "matches": 1,
      "wins": 0,
      "losses": 1
    }
  ],
  "upcoming_matches": [],
  "year_statistics": null,
  "data_generated_at": "2026-01-30 07:12:01 UTC"
}