Player Profile

View detailed player statistics and ELO progression.

Basic Information

Keiji Yamaguchi

Professional Tennis Player

Birthday2010-10-05

Nationality

Japan

Current ELO Ratings

Surface-specific performance ratings

Overall

1439.72

Hard Court

1437.15

Clay Court

1423.09

Grass Court

N/A

Peak ELO Ratings (All-Time)

Hard

1509

Clay

1459

Overall

1507

Organization IDs

External platform identifiers

ELO Progression

Historical ELO ratings across all surfaces (24 matches tracked)

Complete Match History

Showing 20 of 24 matches

Date	Opponent	Tournament	Surface	Result
2026-03-04	Siyun Kim	J30 Kurume	Hard	L 2-0
2025-12-03	Yuta Amano	J30 Matsuyama	Hard	L 2-0
2025-11-13	Tomoki Fujiwara	J60 Hokuto	Clay	L 2-0
2025-11-12	Kosei Sakamoto	J60 Hokuto	Clay	W 2-0
2025-11-06	Takaya Ishii	J30 Osaka	Hard	L 2-1
2025-11-05	Yuki Nishizawa	J30 Osaka	Hard	W 2-0
2025-11-04	Ryuto Kizaki	J30 Osaka	Hard	L 2-0
2025-11-04	Tsukito Honma	J30 Osaka	Hard	W 2-0
2025-11-03	Kosei Otomo	J30 Osaka	Hard	W 2-0
2025-09-23	Kuan-Shou Chen	J500 Osaka	Hard	L 2-0
2025-09-15	Ethan Domingo	J200 Miki	Hard	L 2-0
2025-09-15	Shotaro Yamamoto	J200 Miki	Hard	W 2-0
2025-09-14	Daisuke Hashimoto	J200 Miki	Hard	W 1-0
2025-05-27	Kenshin Sato	J60 Miki City	Hard	L 2-0
2025-05-26	Yuto Nishioka	J60 Miki City	Hard	W 2-0
2025-04-16	Shintaro Ogaki	J30 Munakata	Hard	L 1-0
2025-03-05	Sota Nakatomi	J30 Kurume	Hard	L 2-0
2024-11-20	Hainuo Guo	J30 Ninh Binh	Hard	L 2-0
2024-11-19	Minh Tran Duc	J30 Ninh Binh	Hard	W 2-0
2024-11-17	Chanee Park	J30 Ninh Binh	Hard	W 2-0

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