Player Data JSON

{
  "player": {
    "id": 1104,
    "api_id": 398054,
    "name": "Xinxin Yao",
    "short_name": "X. Yao",
    "country": "China",
    "country_code": "CN",
    "gender": "Female",
    "circuit": "WTA",
    "date_of_birth": "2003-10-20",
    "height_cm": null,
    "weight_kg": null,
    "plays": "",
    "turned_pro": null
  },
  "utr": {
    "id": 292488,
    "singles": 11.2,
    "doubles": 10.7,
    "ranking": 393,
    "division": "Pro",
    "is_pro": true,
    "updated_at": "2026-04-26"
  },
  "current_ranking": {
    "position": 398,
    "points": 151,
    "best_position": 205,
    "date": "2026-05-08"
  },
  "ranking_history": [
    {
      "date": "2026-05-08",
      "position": 398,
      "points": 151
    },
    {
      "date": "2026-05-07",
      "position": 398,
      "points": 151
    },
    {
      "date": "2026-05-06",
      "position": 398,
      "points": 151
    },
    {
      "date": "2026-05-05",
      "position": 398,
      "points": 151
    },
    {
      "date": "2026-05-04",
      "position": 398,
      "points": 151
    },
    {
      "date": "2026-05-03",
      "position": 423,
      "points": 135
    },
    {
      "date": "2026-05-02",
      "position": 423,
      "points": 135
    },
    {
      "date": "2026-05-01",
      "position": 423,
      "points": 135
    },
    {
      "date": "2026-04-30",
      "position": 423,
      "points": 135
    },
    {
      "date": "2026-04-29",
      "position": 423,
      "points": 135
    }
  ],
  "career_stats": {
    "total_matches": 14,
    "wins": 5,
    "losses": 9,
    "win_rate": 35.7
  },
  "surface_stats": {
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      "matches": 8,
      "wins": 3,
      "losses": 5,
      "win_rate": 37.5
    },
    "clay": {
      "matches": 6,
      "wins": 2,
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      "win_rate": 33.3
    },
    "grass": {
      "matches": 0,
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      "win_rate": 0
    }
  },
  "category_stats": {
    "Grand Slam": {
      "matches": 1,
      "wins": 0,
      "losses": 1,
      "win_rate": 0.0
    },
    "WTA 1000": {
      "matches": 1,
      "wins": 0,
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      "win_rate": 0.0
    },
    "WTA 250": {
      "matches": 11,
      "wins": 5,
      "losses": 6,
      "win_rate": 45.5
    },
    "Otro": {
      "matches": 1,
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      "win_rate": 0.0
    }
  },
  "average_match_stats": {
    "matches_with_stats": 13,
    "avg_aces_per_match": 0.7,
    "avg_double_faults_per_match": 1.4,
    "avg_first_serve_pct": 75.1,
    "avg_first_serve_won_pct": 53.5,
    "avg_second_serve_won_pct": 38.4,
    "avg_break_points_converted_pct": null
  },
  "recent_form": [
    {
      "date": "2026-05-08",
      "opponent": "Lanlana Tararudee",
      "opponent_id": 322099,
      "tournament": "WTA 125K Jiujiang, China Women Singles",
      "surface": "hard",
      "round": "Quarterfinals",
      "result": "W",
      "score": "2-0",
      "stats": {
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        "second_serve_won_pct": 0.0,
        "break_points_converted_pct": null,
        "total_points_won": null
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    },
    {
      "date": "2026-05-06",
      "opponent": "Haruka Kaji",
      "opponent_id": 80535,
      "tournament": "WTA 125K Jiujiang, China Women Singles",
      "surface": "hard",
      "round": "Round of 16",
      "result": "W",
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    },
    {
      "date": "2026-05-04",
      "opponent": "Hong Yi Cody Wong",
      "opponent_id": 234309,
      "tournament": "WTA 125K Jiujiang, China Women Singles",
      "surface": "hard",
      "round": "Round of 32",
      "result": "W",
      "score": "2-0",
      "stats": {
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      }
    },
    {
      "date": "2026-04-30",
      "opponent": "Rada Zolotareva",
      "opponent_id": 455688,
      "tournament": "WTA 125K Huzhou, China Women Singles",
      "surface": "clay",
      "round": "Round of 16",
      "result": "L",
      "score": "1-2",
      "stats": {
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        "first_serve_pct": 96.11650485436894,
        "first_serve_won_pct": 45.45454545454545,
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        "break_points_converted_pct": null,
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    },
    {
      "date": "2026-04-28",
      "opponent": "Sara Saito",
      "opponent_id": 406665,
      "tournament": "WTA 125K Huzhou, China Women Singles",
      "surface": "clay",
      "round": "Round of 32",
      "result": "W",
      "score": "2-1",
      "stats": {
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    },
    {
      "date": "2025-11-26",
      "opponent": "Zarina Diyas",
      "opponent_id": 36443,
      "tournament": "Australian Open Asia-Pacific Wildcard Playoff",
      "surface": "hard",
      "round": "Round of 16",
      "result": "L",
      "score": "0-2",
      "stats": {
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      }
    },
    {
      "date": "2025-10-25",
      "opponent": "Rina Saigo",
      "opponent_id": 222183,
      "tournament": "Jiujiang",
      "surface": "hard",
      "round": "Qualification Round 1",
      "result": "L",
      "score": "0-2"
    },
    {
      "date": "2025-10-13",
      "opponent": "Ruien Zhang",
      "opponent_id": 469043,
      "tournament": "WTA 125K Jinan, China Women Singles",
      "surface": "hard",
      "round": "Qualification Round 1",
      "result": "L",
      "score": "0-2",
      "stats": {
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        "first_serve_won_pct": 63.63636363636363,
        "second_serve_won_pct": 56.25,
        "break_points_converted_pct": null,
        "total_points_won": null
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    },
    {
      "date": "2025-10-01",
      "opponent": "Suzan Lamens",
      "opponent_id": 199509,
      "tournament": "WTA 125K Suzhou, China Women Singles",
      "surface": "hard",
      "round": "Round of 32",
      "result": "L",
      "score": "0-2",
      "stats": {
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        "first_serve_won_pct": 50.0,
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        "break_points_converted_pct": null,
        "total_points_won": null
      }
    },
    {
      "date": "2025-09-22",
      "opponent": "Joanna Garland",
      "opponent_id": 230384,
      "tournament": "Beijing",
      "surface": "hard",
      "round": "Qualification Round 1",
      "result": "L",
      "score": "1-2",
      "stats": {
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  "form_summary": {
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    "wins": 4,
    "losses": 6,
    "form_string": "WWWLWLLLLL"
  },
  "head_to_head": [
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      "opponent": "Haruka Kaji",
      "opponent_id": 80535,
      "matches": 1,
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    },
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    },
    {
      "opponent": "Joanna Garland",
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    },
    {
      "opponent": "Bianca Andreescu",
      "opponent_id": 202924,
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      "losses": 1
    },
    {
      "opponent": "Ruien Zhang",
      "opponent_id": 469043,
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    }
  ],
  "upcoming_matches": [
    {
      "date": "2026-05-09 04:10",
      "opponent": "Xiaodi You",
      "opponent_id": 134532,
      "tournament": "WTA 125K Jiujiang, China Women Singles",
      "surface": "hard",
      "round": "Semifinals",
      "odds_player": 2.25,
      "odds_opponent": 1.5714285714285714
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  ],
  "year_statistics": [
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      "year": 2025,
      "surfaces": {
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          "break_points_saved_pct": 45.5,
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          "winners_total": 0,
          "unforced_errors_total": 0
        },
        "red_clay": {
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          "unforced_errors_total": 0
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      },
      "totals": {
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      }
    },
    {
      "year": 2024,
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      "totals": {
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      }
    }
  ],
  "data_generated_at": "2026-05-09 00:34:31 UTC"
}