Player Data JSON
Obtiene datos completos de un jugador en formato JSON para alimentar LLMs
Stefan Kozlov
1W - 2L
33.3% Win Rate
Forma: LWL
JSON Data
{
"player": {
"id": 681,
"api_id": 77007,
"name": "Stefan Kozlov",
"short_name": "S. Kozlov",
"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": 206329,
"singles": 14.14,
"doubles": 12.92,
"ranking": 313,
"division": "Pro",
"is_pro": true,
"updated_at": "2025-12-07"
},
"current_ranking": {
"position": 292,
"points": 182,
"best_position": 103,
"date": "2025-12-10"
},
"ranking_history": [
{
"date": "2025-12-10",
"position": 292,
"points": 182
},
{
"date": "2025-12-09",
"position": 292,
"points": 182
},
{
"date": "2025-12-08",
"position": 292,
"points": 182
},
{
"date": "2025-12-07",
"position": 292,
"points": 182
},
{
"date": "2025-12-06",
"position": 292,
"points": 182
},
{
"date": "2025-12-05",
"position": 292,
"points": 182
},
{
"date": "2025-12-04",
"position": 292,
"points": 182
},
{
"date": "2025-12-03",
"position": 292,
"points": 182
}
],
"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": {
"ATP 500": {
"matches": 2,
"wins": 1,
"losses": 1,
"win_rate": 50.0
},
"ATP 250": {
"matches": 1,
"wins": 0,
"losses": 1,
"win_rate": 0.0
}
},
"average_match_stats": {
"matches_with_stats": 3,
"avg_aces_per_match": 0.0,
"avg_double_faults_per_match": 2.0,
"avg_first_serve_pct": 65.1,
"avg_first_serve_won_pct": 50.7,
"avg_second_serve_won_pct": 46.7,
"avg_break_points_converted_pct": null
},
"recent_form": [
{
"date": "2025-02-24",
"opponent": "Nishesh Basavareddy",
"opponent_id": 407164,
"tournament": "Acapulco",
"surface": "hard",
"round": "Qualification Final",
"result": "L",
"score": "0-2",
"stats": {
"aces": 0,
"double_faults": 2,
"first_serve_pct": 64.28571428571429,
"first_serve_won_pct": 52.77777777777778,
"second_serve_won_pct": 34.78260869565217,
"break_points_converted_pct": null,
"total_points_won": null
}
},
{
"date": "2025-02-23",
"opponent": "Duarte Vale",
"opponent_id": 137890,
"tournament": "Acapulco",
"surface": "hard",
"round": "Qualification Round 1",
"result": "W",
"score": "2-0",
"stats": {
"aces": 0,
"double_faults": 2,
"first_serve_pct": 64.28571428571429,
"first_serve_won_pct": 52.77777777777778,
"second_serve_won_pct": 50.0,
"break_points_converted_pct": null,
"total_points_won": null
}
},
{
"date": "2025-02-08",
"opponent": "Zachary Svajda",
"opponent_id": 298247,
"tournament": "Delray Beach",
"surface": "hard",
"round": "Qualification Round 1",
"result": "L",
"score": "0-2",
"stats": {
"aces": 0,
"double_faults": 2,
"first_serve_pct": 66.66666666666666,
"first_serve_won_pct": 46.666666666666664,
"second_serve_won_pct": 44.44444444444444,
"break_points_converted_pct": null,
"total_points_won": null
}
}
],
"form_summary": {
"last_10_matches": 3,
"wins": 1,
"losses": 2,
"form_string": "LWL"
},
"head_to_head": [
{
"opponent": "Nishesh Basavareddy",
"opponent_id": 407164,
"matches": 1,
"wins": 0,
"losses": 1
},
{
"opponent": "Zachary Svajda",
"opponent_id": 298247,
"matches": 1,
"wins": 0,
"losses": 1
},
{
"opponent": "Duarte Vale",
"opponent_id": 137890,
"matches": 1,
"wins": 1,
"losses": 0
}
],
"upcoming_matches": [],
"year_statistics": [
{
"year": 2025,
"surfaces": {
"hardcourt_indoor": {
"matches": 13,
"wins": 10,
"losses": 3,
"win_rate": 76.9,
"tournaments_played": 5,
"tournaments_won": 2,
"tiebreaks_won": 2,
"tiebreaks_lost": 1,
"aces": 32,
"double_faults": 25,
"aces_per_match": 2.5,
"double_faults_per_match": 1.9,
"first_serve_pct": 71.2,
"first_serve_won_pct": 69.8,
"second_serve_won_pct": 46.7,
"break_points_saved_pct": 53.2,
"break_points_converted_pct": 45.3,
"winners_total": 0,
"unforced_errors_total": 0
},
"hardcourt_outdoor": {
"matches": 11,
"wins": 6,
"losses": 5,
"win_rate": 54.5,
"tournaments_played": 6,
"tournaments_won": 0,
"tiebreaks_won": 0,
"tiebreaks_lost": 2,
"aces": 8,
"double_faults": 14,
"aces_per_match": 0.7,
"double_faults_per_match": 1.3,
"first_serve_pct": 80.3,
"first_serve_won_pct": 52.2,
"second_serve_won_pct": 52.2,
"break_points_saved_pct": 63.0,
"break_points_converted_pct": 55.7,
"winners_total": 0,
"unforced_errors_total": 0
},
"red_clay": {
"matches": 5,
"wins": 4,
"losses": 1,
"win_rate": 80.0,
"tournaments_played": 3,
"tournaments_won": 0,
"tiebreaks_won": 0,
"tiebreaks_lost": 0,
"aces": 6,
"double_faults": 3,
"aces_per_match": 1.2,
"double_faults_per_match": 0.6,
"first_serve_pct": 75.1,
"first_serve_won_pct": 65.0,
"second_serve_won_pct": 63.1,
"break_points_saved_pct": 58.8,
"break_points_converted_pct": 64.0,
"winners_total": 0,
"unforced_errors_total": 0
}
},
"totals": {
"matches": 29,
"wins": 20,
"tournaments_played": 14,
"tournaments_won": 2,
"aces": 46,
"double_faults": 42,
"win_rate": 69.0,
"losses": 9
}
},
{
"year": 2024,
"surfaces": {
"hardcourt_indoor": {
"matches": 9,
"wins": 6,
"losses": 3,
"win_rate": 66.7,
"tournaments_played": 4,
"tournaments_won": 0,
"tiebreaks_won": 3,
"tiebreaks_lost": 0,
"aces": 25,
"double_faults": 33,
"aces_per_match": 2.8,
"double_faults_per_match": 3.7,
"first_serve_pct": 72.5,
"first_serve_won_pct": 68.9,
"second_serve_won_pct": 60.8,
"break_points_saved_pct": 63.2,
"break_points_converted_pct": 47.3,
"winners_total": 0,
"unforced_errors_total": 0
},
"hardcourt_outdoor": {
"matches": 22,
"wins": 14,
"losses": 8,
"win_rate": 63.6,
"tournaments_played": 9,
"tournaments_won": 0,
"tiebreaks_won": 3,
"tiebreaks_lost": 2,
"aces": 38,
"double_faults": 79,
"aces_per_match": 1.7,
"double_faults_per_match": 3.6,
"first_serve_pct": 75.4,
"first_serve_won_pct": 64.6,
"second_serve_won_pct": 56.9,
"break_points_saved_pct": 59.3,
"break_points_converted_pct": 45.0,
"winners_total": 0,
"unforced_errors_total": 0
},
"red_clay": {
"matches": 25,
"wins": 17,
"losses": 8,
"win_rate": 68.0,
"tournaments_played": 8,
"tournaments_won": 0,
"tiebreaks_won": 5,
"tiebreaks_lost": 3,
"aces": 45,
"double_faults": 130,
"aces_per_match": 1.8,
"double_faults_per_match": 5.2,
"first_serve_pct": 74.1,
"first_serve_won_pct": 65.4,
"second_serve_won_pct": 59.9,
"break_points_saved_pct": 59.7,
"break_points_converted_pct": 42.9,
"winners_total": 0,
"unforced_errors_total": 0
}
},
"totals": {
"matches": 56,
"wins": 37,
"tournaments_played": 21,
"tournaments_won": 0,
"aces": 108,
"double_faults": 242,
"win_rate": 66.1,
"losses": 19
}
},
{
"year": 2023,
"surfaces": {
"hardcourt_outdoor": {
"matches": 1,
"wins": 0,
"losses": 1,
"win_rate": 0.0,
"tournaments_played": 6,
"tournaments_won": 0,
"tiebreaks_won": 0,
"tiebreaks_lost": 0,
"aces": 0,
"double_faults": 0,
"aces_per_match": 0.0,
"double_faults_per_match": 0.0,
"first_serve_pct": 79.8,
"first_serve_won_pct": 60.0,
"second_serve_won_pct": 35.3,
"break_points_saved_pct": 69.2,
"break_points_converted_pct": 100.0,
"winners_total": 0,
"unforced_errors_total": 0
}
},
"totals": {
"matches": 1,
"wins": 0,
"tournaments_played": 6,
"tournaments_won": 0,
"aces": 0,
"double_faults": 0,
"win_rate": 0.0,
"losses": 1
}
}
],
"data_generated_at": "2025-12-10 13:04:41 UTC"
}