Player

🇯🇵 keita koyama

Career matches 49

Wins 19

Losses 30

Win rate 38.8%

Elo (current) —

Surface breakdown

Hard 33.3% 9W – 18L (27 matches)

Clay 50.0% 7W – 7L (14 matches)

Grass 60.0% 3W – 2L (5 matches)

Carpet 0.0% 0W – 3L (3 matches)

Career form (last 10)

LLLLLLWLLW

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Head-to-head (top 5 opponents)

Opponent	Played	W	L	W%
arata onozawa	4	2	2	50%
hiroki kondo	3	1	2	33%
yusuke watanuki	2	0	2	0%
yasutaka uchiyama	2	1	1	50%
masato shiga	2	2	0	100%

Recent matches

1–49 of 49

Date	Tournament	Round	Winner	Loser	Score	Surface
2015-08-17	Chinese Taipei F1	R32	tsung hua yang	keita koyama	6-3 6-3	Hard
2015-06-15	Japan F7	R32	jumpei yamasaki	keita koyama	4-6 6-4 5-1 RET	Carpet
2015-06-08	Japan F6	R32	masayoshi ono	keita koyama	4-6 6-2 6-1	Hard
2015-06-01	Japan F5	R32	keisuke watanuki	keita koyama	6-1 6-1	Clay
2015-03-16	Japan F2	R32	shintaro imai	keita koyama	6-0 6-2	Hard
2015-03-09	Japan F1	R16	duck hee lee	keita koyama	6-0 6-2	Hard
2015-03-09	Japan F1	R32	keita koyama	masato shiga	5-7 7-5 6-3	Hard
2014-10-27	Traralgon CH	R32	jake eames	keita koyama	6-2 6-0	Hard
2014-09-15	Turkey F32	R16	hiroyasu ehara	keita koyama	6-0 6-1	Hard
2014-09-15	Turkey F32	R32	keita koyama	kittipong wachiramanowong	6-1 6-2	Hard
2014-09-08	Turkey F31	QF	nicolaas scholtz	keita koyama	7-6(6) 6-3	Hard
2014-09-08	Turkey F31	R16	keita koyama	nigmat shofayziev	6-2 6-2	Hard
2014-09-08	Turkey F31	R32	keita koyama	michal konecny	7-6(8) 4-2 RET	Hard
2014-06-23	Japan F8	R16	yasutaka uchiyama	keita koyama	4-6 6-1 6-2	Clay
2014-06-23	Japan F8	R32	keita koyama	koichi sano	6-3 7-5	Clay
2014-06-16	Japan F7	R32	renta tokuda	keita koyama	4-6 6-4 6-1	Carpet
2014-06-09	Japan F6	R16	takashi saito	keita koyama	6-3 6-1	Hard
2014-06-09	Japan F6	R32	keita koyama	masayoshi ono	7-5 6-3	Hard
2014-06-02	Japan F5	SF	takuto niki	keita koyama	6-2 6-1	Clay
2014-06-02	Japan F5	QF	keita koyama	bumpei sato	2-6 6-4 6-4	Clay
2014-06-02	Japan F5	R16	keita koyama	masato shiga	4-6 6-4 6-3	Clay
2014-06-02	Japan F5	R32	keita koyama	konosuke kiryu	6-2 6-3	Clay
2014-03-31	Japan F4	R32	yusuke watanuki	keita koyama	6-2 6-4	Hard
2014-03-24	Japan F3	R16	yusuke watanuki	keita koyama	6-0 4-6 6-1	Hard
2014-03-24	Japan F3	R32	keita koyama	arata onozawa	6-3 6-4	Hard
2013-07-01	Japan F8	R32	issei okamura	keita koyama	6-1 RET	Hard
2013-06-24	Japan F7	QF	arata onozawa	keita koyama	6-3 6-3	Clay
2013-06-24	Japan F7	R16	keita koyama	hiroki kondo	2-6 6-4 4-0 RET	Clay
2013-06-24	Japan F7	R32	keita koyama	masaki sasai	6-3 6-3	Clay
2013-06-17	Japan F6	R32	shunrou takeshima	keita koyama	4-6 6-3 6-4	Carpet
2013-06-10	Japan F5	R32	takuto niki	keita koyama	6-2 6-1	Clay
2013-04-01	Japan F4	R16	issei okamura	keita koyama	7-6(4) 7-6(2)	Hard
2013-04-01	Japan F4	R32	keita koyama	keisuke numajiri	6-2 6-2	Hard
2013-03-25	Japan F3	R32	hyun woo nam	keita koyama	6-1 6-1	Hard
2012-10-15	Japan F9	R16	hiroki kondo	keita koyama	6-3 6-2	Hard
2012-10-15	Japan F9	R32	keita koyama	yuma otomo	6-4 6-4	Hard
2012-10-08	Japan F8	R32	yuichi ito	keita koyama	6-1 6-3	Hard
2012-09-17	Australia F8	R16	luke saville	keita koyama	6-3 6-2	Hard
2012-09-17	Australia F8	R32	keita koyama	dekel bar	1-6 7-6(5) 6-1	Hard
2012-06-25	Japan F7	R16	arata onozawa	keita koyama	6-2 6-1	Clay
2012-06-25	Japan F7	R32	keita koyama	yuki matsuo	6-4 6-1	Clay
2012-06-18	Japan F6	R16	bumpei sato	keita koyama	6-1 6-1	Grass
2012-06-18	Japan F6	R32	keita koyama	arata onozawa	6-3 7-6(2)	Grass
2012-04-02	Japan F4	R32	daniel yoo	keita koyama	2-6 7-5 6-4	Hard
2011-11-28	India F12	R32	sunil kumar sipaeya	keita koyama	6-1 6-3	Clay
2011-11-21	India F11	R32	n sriram balaji	keita koyama	6-0 6-0	Hard
2011-06-20	Japan F7	QF	hiroki kondo	keita koyama	6-3 6-4	Grass
2011-06-20	Japan F7	R16	keita koyama	yuki matsuo	6-7(4) 6-4 6-2	Grass
2011-06-20	Japan F7	R32	keita koyama	yasutaka uchiyama	6-3 3-0 RET	Grass