Player Data JSON
Obtiene datos completos de un jugador en formato JSON para alimentar LLMs
Rei Sakamoto
11W - 13L
45,8% Win Rate
Forma: LWWWLLWWLL
JSON Data
{
"player": {
"id": 436,
"api_id": 413296,
"name": "Rei Sakamoto",
"short_name": "R. Sakamoto",
"country": "Japan",
"country_code": "JP",
"gender": "Male",
"circuit": "ATP",
"date_of_birth": null,
"height_cm": null,
"weight_kg": null,
"plays": "",
"turned_pro": null
},
"utr": {
"id": 3673640,
"singles": 14.42,
"doubles": 13.94,
"ranking": 193,
"division": "Pro",
"is_pro": true,
"updated_at": "2026-01-18"
},
"current_ranking": {
"position": 203,
"points": 292,
"best_position": 159,
"date": "2026-01-30"
},
"ranking_history": [
{
"date": "2026-01-30",
"position": 203,
"points": 292
},
{
"date": "2026-01-29",
"position": 203,
"points": 292
},
{
"date": "2026-01-28",
"position": 203,
"points": 292
},
{
"date": "2026-01-27",
"position": 203,
"points": 292
},
{
"date": "2026-01-26",
"position": 203,
"points": 292
},
{
"date": "2026-01-25",
"position": 203,
"points": 292
},
{
"date": "2026-01-24",
"position": 203,
"points": 292
},
{
"date": "2026-01-23",
"position": 203,
"points": 292
},
{
"date": "2026-01-22",
"position": 203,
"points": 292
},
{
"date": "2026-01-21",
"position": 203,
"points": 292
}
],
"career_stats": {
"total_matches": 24,
"wins": 11,
"losses": 13,
"win_rate": 45.8
},
"surface_stats": {
"hard": {
"matches": 24,
"wins": 11,
"losses": 13,
"win_rate": 45.8
},
"clay": {
"matches": 0,
"wins": 0,
"losses": 0,
"win_rate": 0
},
"grass": {
"matches": 0,
"wins": 0,
"losses": 0,
"win_rate": 0
}
},
"category_stats": {
"Grand Slam": {
"matches": 7,
"wins": 4,
"losses": 3,
"win_rate": 57.1
},
"Masters 1000": {
"matches": 6,
"wins": 4,
"losses": 2,
"win_rate": 66.7
},
"ATP 500": {
"matches": 2,
"wins": 1,
"losses": 1,
"win_rate": 50.0
},
"ATP 250": {
"matches": 3,
"wins": 0,
"losses": 3,
"win_rate": 0.0
},
"Challenger": {
"matches": 6,
"wins": 2,
"losses": 4,
"win_rate": 33.3
}
},
"average_match_stats": {
"matches_with_stats": 24,
"avg_aces_per_match": 6.3,
"avg_double_faults_per_match": 2.2,
"avg_first_serve_pct": 68.3,
"avg_first_serve_won_pct": 70.6,
"avg_second_serve_won_pct": 49.0,
"avg_break_points_converted_pct": null
},
"recent_form": [
{
"date": "2026-01-20",
"opponent": "Rafael Jodar",
"opponent_id": 458834,
"tournament": "Australian Open",
"surface": "hard",
"round": "Round of 128",
"result": "L",
"score": "2-3",
"stats": {
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"double_faults": 4,
"first_serve_pct": 64.73988439306359,
"first_serve_won_pct": 67.85714285714286,
"second_serve_won_pct": 63.934426229508205,
"break_points_converted_pct": null,
"total_points_won": null
}
},
{
"date": "2026-01-15",
"opponent": "Giulio Zeppieri",
"opponent_id": 237188,
"tournament": "Australian Open",
"surface": "hard",
"round": "Qualification Final",
"result": "W",
"score": "2-0",
"stats": {
"aces": 5,
"double_faults": 0,
"first_serve_pct": 82.97872340425532,
"first_serve_won_pct": 74.35897435897436,
"second_serve_won_pct": 87.5,
"break_points_converted_pct": null,
"total_points_won": null
}
},
{
"date": "2026-01-13",
"opponent": "Colton Smith",
"opponent_id": 391865,
"tournament": "Australian Open",
"surface": "hard",
"round": "Qualification Round 2",
"result": "W",
"score": "2-0",
"stats": {
"aces": 4,
"double_faults": 2,
"first_serve_pct": 68.62745098039215,
"first_serve_won_pct": 85.71428571428571,
"second_serve_won_pct": 33.33333333333333,
"break_points_converted_pct": null,
"total_points_won": null
}
},
{
"date": "2026-01-12",
"opponent": "Daniel Evans",
"opponent_id": 16375,
"tournament": "Australian Open",
"surface": "hard",
"round": "Qualification Round 1",
"result": "W",
"score": "2-0",
"stats": {
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"double_faults": 0,
"first_serve_pct": 73.68421052631578,
"first_serve_won_pct": 78.57142857142857,
"second_serve_won_pct": 40.74074074074074,
"break_points_converted_pct": null,
"total_points_won": null
}
},
{
"date": "2026-01-06",
"opponent": "Lorenzo Sonego",
"opponent_id": 104847,
"tournament": "Hong Kong Men Singles",
"surface": "hard",
"round": "Round of 32",
"result": "L",
"score": "0-2",
"stats": {
"aces": 1,
"double_faults": 2,
"first_serve_pct": 55.12820512820513,
"first_serve_won_pct": 58.139534883720934,
"second_serve_won_pct": 57.14285714285714,
"break_points_converted_pct": null,
"total_points_won": null
}
},
{
"date": "2025-11-14",
"opponent": "Chun-Hsin Tseng",
"opponent_id": 207034,
"tournament": "Kobe, Japan",
"surface": "hard",
"round": "Quarterfinals",
"result": "L",
"score": "1-2",
"stats": {
"aces": 9,
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"first_serve_pct": 73.40425531914893,
"first_serve_won_pct": 72.46376811594203,
"second_serve_won_pct": 44.0,
"break_points_converted_pct": null,
"total_points_won": null
}
},
{
"date": "2025-11-12",
"opponent": "Hynek Barton",
"opponent_id": 372310,
"tournament": "Kobe, Japan",
"surface": "hard",
"round": "Round of 16",
"result": "W",
"score": "2-1",
"stats": {
"aces": 8,
"double_faults": 4,
"first_serve_pct": 65.0,
"first_serve_won_pct": 73.07692307692307,
"second_serve_won_pct": 39.285714285714285,
"break_points_converted_pct": null,
"total_points_won": null
}
},
{
"date": "2025-11-11",
"opponent": "Max Basing",
"opponent_id": 275074,
"tournament": "Kobe, Japan",
"surface": "hard",
"round": "Round of 32",
"result": "W",
"score": "2-1",
"stats": {
"aces": 15,
"double_faults": 3,
"first_serve_pct": 58.82352941176471,
"first_serve_won_pct": 81.66666666666667,
"second_serve_won_pct": 52.38095238095239,
"break_points_converted_pct": null,
"total_points_won": null
}
},
{
"date": "2025-10-26",
"opponent": "Michal Krajci",
"opponent_id": 376934,
"tournament": "Bratislava, Slovakia",
"surface": "hard",
"round": "Qualification Round 1",
"result": "L",
"score": "0-2",
"stats": {
"aces": 2,
"double_faults": 2,
"first_serve_pct": 62.7906976744186,
"first_serve_won_pct": 51.85185185185185,
"second_serve_won_pct": 46.666666666666664,
"break_points_converted_pct": null,
"total_points_won": null
}
},
{
"date": "2025-10-20",
"opponent": "Mae Malige",
"opponent_id": 421695,
"tournament": "Brest, France",
"surface": "hard",
"round": "Round of 32",
"result": "L",
"score": "0-2",
"stats": {
"aces": 3,
"double_faults": 1,
"first_serve_pct": 55.172413793103445,
"first_serve_won_pct": 68.75,
"second_serve_won_pct": 42.30769230769231,
"break_points_converted_pct": null,
"total_points_won": null
}
}
],
"form_summary": {
"last_10_matches": 10,
"wins": 5,
"losses": 5,
"form_string": "LWWWLLWWLL"
},
"head_to_head": [
{
"opponent": "Adam Walton",
"opponent_id": 207575,
"matches": 1,
"wins": 1,
"losses": 0
},
{
"opponent": "Daniel Evans",
"opponent_id": 16375,
"matches": 1,
"wins": 1,
"losses": 0
},
{
"opponent": "Brandon Holt",
"opponent_id": 207050,
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"losses": 0
},
{
"opponent": "Nikoloz Basilashvili",
"opponent_id": 26204,
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"losses": 1
},
{
"opponent": "Tristan Boyer",
"opponent_id": 232036,
"matches": 1,
"wins": 0,
"losses": 1
}
],
"upcoming_matches": [],
"year_statistics": [
{
"year": 2025,
"surfaces": {
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"wins": 4,
"losses": 6,
"win_rate": 40.0,
"tournaments_played": 6,
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"tiebreaks_won": 1,
"tiebreaks_lost": 2,
"aces": 76,
"double_faults": 25,
"aces_per_match": 7.6,
"double_faults_per_match": 2.5,
"first_serve_pct": 71.6,
"first_serve_won_pct": 71.7,
"second_serve_won_pct": 45.8,
"break_points_saved_pct": 66.7,
"break_points_converted_pct": 33.3,
"winners_total": 0,
"unforced_errors_total": 0
},
"hardcourt_outdoor": {
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"losses": 15,
"win_rate": 60.5,
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"tiebreaks_won": 10,
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"aces": 328,
"double_faults": 92,
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"first_serve_pct": 75.2,
"first_serve_won_pct": 71.7,
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"winners_total": 0,
"unforced_errors_total": 0
},
"red_clay": {
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"losses": 3,
"win_rate": 50.0,
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"aces": 41,
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"first_serve_pct": 76.6,
"first_serve_won_pct": 67.4,
"second_serve_won_pct": 50.8,
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"break_points_converted_pct": 20.7,
"winners_total": 0,
"unforced_errors_total": 0
}
},
"totals": {
"matches": 54,
"wins": 30,
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"tournaments_won": 2,
"aces": 445,
"double_faults": 126,
"win_rate": 55.6,
"losses": 24
}
},
{
"year": 2024,
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},
"hardcourt_outdoor": {
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"winners_total": 0,
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},
"red_clay": {
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}
},
"totals": {
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"aces": 89,
"double_faults": 28,
"win_rate": 56.2,
"losses": 7
}
}
],
"data_generated_at": "2026-01-30 23:32:58 UTC"
}