Player Data JSON
Obtiene datos completos de un jugador en formato JSON para alimentar LLMs
Mei Yamaguchi
14W - 11L
56.0% Win Rate
Forma: LWLWWLWWWL
JSON Data
{
"player": {
"id": 644,
"api_id": 208613,
"name": "Mei Yamaguchi",
"short_name": "M. Yamaguchi",
"country": "Japan",
"country_code": "JP",
"gender": "Female",
"circuit": "WTA",
"date_of_birth": "1999-06-14",
"height_cm": null,
"weight_kg": null,
"plays": "",
"turned_pro": null
},
"utr": {
"id": 87797,
"singles": 11.36,
"doubles": null,
"ranking": 317,
"division": "Pro",
"is_pro": true,
"updated_at": "2026-04-12"
},
"current_ranking": {
"position": 293,
"points": 225,
"best_position": 242,
"date": "2026-05-08"
},
"ranking_history": [
{
"date": "2026-05-08",
"position": 293,
"points": 225
},
{
"date": "2026-05-07",
"position": 293,
"points": 225
},
{
"date": "2026-05-06",
"position": 293,
"points": 225
},
{
"date": "2026-05-05",
"position": 293,
"points": 225
},
{
"date": "2026-05-04",
"position": 293,
"points": 225
},
{
"date": "2026-05-03",
"position": 282,
"points": 238
},
{
"date": "2026-05-02",
"position": 282,
"points": 238
},
{
"date": "2026-05-01",
"position": 282,
"points": 238
},
{
"date": "2026-04-30",
"position": 282,
"points": 238
},
{
"date": "2026-04-29",
"position": 282,
"points": 238
}
],
"career_stats": {
"total_matches": 25,
"wins": 14,
"losses": 11,
"win_rate": 56.0
},
"surface_stats": {
"hard": {
"matches": 20,
"wins": 12,
"losses": 8,
"win_rate": 60.0
},
"clay": {
"matches": 5,
"wins": 2,
"losses": 3,
"win_rate": 40.0
},
"grass": {
"matches": 0,
"wins": 0,
"losses": 0,
"win_rate": 0
}
},
"category_stats": {
"WTA 500": {
"matches": 2,
"wins": 0,
"losses": 2,
"win_rate": 0.0
},
"WTA 250": {
"matches": 23,
"wins": 14,
"losses": 9,
"win_rate": 60.9
}
},
"average_match_stats": {
"matches_with_stats": 25,
"avg_aces_per_match": 1.4,
"avg_double_faults_per_match": 2.7,
"avg_first_serve_pct": 68.2,
"avg_first_serve_won_pct": 56.9,
"avg_second_serve_won_pct": 46.9,
"avg_break_points_converted_pct": null
},
"recent_form": [
{
"date": "2026-05-06",
"opponent": "Hayu Kinoshita",
"opponent_id": 406663,
"tournament": "WTA 125K Jiujiang, China Women Singles",
"surface": "hard",
"round": "Round of 16",
"result": "L",
"score": "0-2",
"stats": {
"aces": 3,
"double_faults": 1,
"first_serve_pct": 64.40677966101694,
"first_serve_won_pct": 52.63157894736842,
"second_serve_won_pct": 41.66666666666667,
"break_points_converted_pct": null,
"total_points_won": null
}
},
{
"date": "2026-05-05",
"opponent": "Anastasia Zolotareva",
"opponent_id": 284553,
"tournament": "WTA 125K Jiujiang, China Women Singles",
"surface": "hard",
"round": "Round of 32",
"result": "W",
"score": "2-0",
"stats": {
"aces": 0,
"double_faults": 3,
"first_serve_pct": 81.25,
"first_serve_won_pct": 63.46153846153846,
"second_serve_won_pct": 50.0,
"break_points_converted_pct": null,
"total_points_won": null
}
},
{
"date": "2026-02-06",
"opponent": "Fangran Tian",
"opponent_id": 310115,
"tournament": "Mumbai, India",
"surface": "hard",
"round": "Quarterfinals",
"result": "L",
"score": "1-2",
"stats": {
"aces": 0,
"double_faults": 1,
"first_serve_pct": 73.17073170731707,
"first_serve_won_pct": 53.333333333333336,
"second_serve_won_pct": 34.48275862068966,
"break_points_converted_pct": null,
"total_points_won": null
}
},
{
"date": "2026-02-04",
"opponent": "Yasmine Kabbaj",
"opponent_id": 378682,
"tournament": "Mumbai, India",
"surface": "hard",
"round": "Round of 16",
"result": "W",
"score": "2-1",
"stats": {
"aces": 2,
"double_faults": 1,
"first_serve_pct": 69.6969696969697,
"first_serve_won_pct": 66.66666666666666,
"second_serve_won_pct": 44.0,
"break_points_converted_pct": null,
"total_points_won": null
}
},
{
"date": "2026-02-02",
"opponent": "Polina Iatcenko",
"opponent_id": 367818,
"tournament": "Mumbai, India",
"surface": "hard",
"round": "Round of 32",
"result": "W",
"score": "2-1",
"stats": {
"aces": 4,
"double_faults": 2,
"first_serve_pct": 76.92307692307693,
"first_serve_won_pct": 64.28571428571429,
"second_serve_won_pct": 42.857142857142854,
"break_points_converted_pct": null,
"total_points_won": null
}
},
{
"date": "2025-10-30",
"opponent": "Joanna Garland",
"opponent_id": 230384,
"tournament": "Chennai",
"surface": "hard",
"round": "Round of 16",
"result": "L",
"score": "1-2",
"stats": {
"aces": 1,
"double_faults": 1,
"first_serve_pct": 57.57575757575758,
"first_serve_won_pct": 59.64912280701754,
"second_serve_won_pct": 57.14285714285714,
"break_points_converted_pct": null,
"total_points_won": null
}
},
{
"date": "2025-10-29",
"opponent": "Francesca Jones",
"opponent_id": 193290,
"tournament": "Chennai",
"surface": "hard",
"round": "Round of 32",
"result": "W",
"score": "1-1",
"stats": {
"aces": 6,
"double_faults": 1,
"first_serve_pct": 69.81132075471697,
"first_serve_won_pct": 56.75675675675676,
"second_serve_won_pct": 40.0,
"break_points_converted_pct": null,
"total_points_won": null
}
},
{
"date": "2025-10-26",
"opponent": "Arina Rodionova",
"opponent_id": 23082,
"tournament": "Chennai",
"surface": "hard",
"round": "Qualification Final",
"result": "W",
"score": "2-1",
"stats": {
"aces": 0,
"double_faults": 6,
"first_serve_pct": 64.70588235294117,
"first_serve_won_pct": 69.0909090909091,
"second_serve_won_pct": 50.0,
"break_points_converted_pct": null,
"total_points_won": null
}
},
{
"date": "2025-10-25",
"opponent": "Ankita Raina",
"opponent_id": 46625,
"tournament": "Chennai",
"surface": "hard",
"round": "Qualification Round 1",
"result": "W",
"score": "2-0",
"stats": {
"aces": 1,
"double_faults": 1,
"first_serve_pct": 62.264150943396224,
"first_serve_won_pct": 54.54545454545454,
"second_serve_won_pct": 60.0,
"break_points_converted_pct": null,
"total_points_won": null
}
},
{
"date": "2025-10-13",
"opponent": "Taylor Townsend",
"opponent_id": 51387,
"tournament": "Osaka",
"surface": "hard",
"round": "Qualification Round 1",
"result": "L",
"score": "1-2",
"stats": {
"aces": 2,
"double_faults": 2,
"first_serve_pct": 85.71428571428571,
"first_serve_won_pct": 60.526315789473685,
"second_serve_won_pct": 39.130434782608695,
"break_points_converted_pct": null,
"total_points_won": null
}
}
],
"form_summary": {
"last_10_matches": 10,
"wins": 6,
"losses": 4,
"form_string": "LWLWWLWWWL"
},
"head_to_head": [
{
"opponent": "Alevtina Ibragimova",
"opponent_id": 417200,
"matches": 1,
"wins": 1,
"losses": 0
},
{
"opponent": "Kathinka von Deichmann",
"opponent_id": 82307,
"matches": 1,
"wins": 0,
"losses": 1
},
{
"opponent": "Anastasia Tikhonova",
"opponent_id": 240100,
"matches": 1,
"wins": 1,
"losses": 0
},
{
"opponent": "Lina Glushko",
"opponent_id": 195315,
"matches": 1,
"wins": 1,
"losses": 0
},
{
"opponent": "Emina Bektas",
"opponent_id": 75825,
"matches": 1,
"wins": 0,
"losses": 1
}
],
"upcoming_matches": [],
"year_statistics": [
{
"year": 2025,
"surfaces": {
"hardcourt_outdoor": {
"matches": 7,
"wins": 4,
"losses": 3,
"win_rate": 57.1,
"tournaments_played": 6,
"tournaments_won": 0,
"tiebreaks_won": 3,
"tiebreaks_lost": 1,
"aces": 13,
"double_faults": 22,
"aces_per_match": 1.9,
"double_faults_per_match": 3.1,
"first_serve_pct": 74.5,
"first_serve_won_pct": 58.0,
"second_serve_won_pct": 52.5,
"break_points_saved_pct": 50.8,
"break_points_converted_pct": 42.5,
"winners_total": 0,
"unforced_errors_total": 0
},
"red_clay": {
"matches": 2,
"wins": 1,
"losses": 1,
"win_rate": 50.0,
"tournaments_played": 2,
"tournaments_won": 0,
"tiebreaks_won": 0,
"tiebreaks_lost": 0,
"aces": 1,
"double_faults": 10,
"aces_per_match": 0.5,
"double_faults_per_match": 5.0,
"first_serve_pct": 75.0,
"first_serve_won_pct": 51.2,
"second_serve_won_pct": 33.3,
"break_points_saved_pct": 23.5,
"break_points_converted_pct": 72.2,
"winners_total": 0,
"unforced_errors_total": 0
}
},
"totals": {
"matches": 9,
"wins": 5,
"tournaments_played": 8,
"tournaments_won": 0,
"aces": 14,
"double_faults": 32,
"win_rate": 55.6,
"losses": 4
}
},
{
"year": 2024,
"surfaces": {
"hardcourt_outdoor": {
"matches": 7,
"wins": 4,
"losses": 3,
"win_rate": 57.1,
"tournaments_played": 23,
"tournaments_won": 0,
"tiebreaks_won": 1,
"tiebreaks_lost": 0,
"aces": 13,
"double_faults": 8,
"aces_per_match": 1.9,
"double_faults_per_match": 1.1,
"first_serve_pct": 82.3,
"first_serve_won_pct": 63.0,
"second_serve_won_pct": 48.9,
"break_points_saved_pct": 56.6,
"break_points_converted_pct": 39.3,
"winners_total": 0,
"unforced_errors_total": 0
}
},
"totals": {
"matches": 7,
"wins": 4,
"tournaments_played": 23,
"tournaments_won": 0,
"aces": 13,
"double_faults": 8,
"win_rate": 57.1,
"losses": 3
}
}
],
"data_generated_at": "2026-05-09 00:34:43 UTC"
}