Player Profile

View detailed player statistics and ELO progression.

Basic Information

Kosei Sakamoto

Professional Tennis Player

Birthday2008-08-16

Nationality

Japan

Current ELO Ratings

Surface-specific performance ratings

Overall

1439.51

Hard Court

1451.25

Clay Court

1422.44

Grass Court

N/A

Peak ELO Ratings (All-Time)

Hard

1488

Clay

1484

Unknown

1470

Overall

1483

Organization IDs

External platform identifiers

ELO Progression

Historical ELO ratings across all surfaces (30 matches tracked)

Complete Match History

Showing 20 of 30 matches

Date	Opponent	Tournament	Surface	Result
2025-11-12	Keiji Yamaguchi	J60 Hokuto	Clay	L 2-0
2025-11-11	Ryosuke Kobayashi	J60 Hokuto	Clay	W 1-0
2025-11-10	Ryota Hayashi	J60 Hokuto	Clay	W 2-0
2025-11-10	Thalis Shun Shitara	J60 Hokuto	Clay	W 2-0
2025-11-04	Takumi Matano	J30 Osaka	Hard	L 2-0
2025-11-04	Yoshiaki Hirose	J30 Osaka	Hard	W 2-0
2025-11-03	Shota Miyamoto	J30 Osaka	Hard	W 2-1
2025-10-28	Asahi Yamazaki	J30 Chigasaki	Carpet	L 2-0
2025-10-28	Sora Kobayashi	J30 Chigasaki	Carpet	W 2-1
2025-10-27	Tsukito Honma	J30 Chigasaki	Carpet	W 2-0
2025-09-06	Sergi Ramis Coll	J100 El Prat de Llobregat	Clay	L 2-0
2025-08-30	Oscar Darder Dias	J100 Vic	Clay	L 2-0
2025-07-10	Tomoki Fujiwara	J30 Hokuto	Clay	L 2-0
2025-07-09	Callum Sharkey	J30 Hokuto	Clay	W 1-0
2025-07-08	Kei Nagata	J30 Hokuto	Clay	W 1-0
2025-07-07	Shuhei Yamada	J30 Hokuto	Clay	W 2-0
2025-06-22	Danila Kvasov	J100 Almaty	Clay	L 2-0
2025-06-21	Iskander Murat	J100 Almaty	Clay	W 2-0
2025-06-14	Rodion Lukashov	J100 Almaty	Clay	L 2-1
2025-06-14	Anatoliy Tsybulko	J100 Almaty	Clay	W 2-0

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