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ATP – LIVE Rankings
LIVE – Career-High
LIVE – Under 21
LIVE – Race Year to Date
ATP Rankings
TOP Under 21
Top USA
Top UK
Top Spain
Race to London
WTA – LIVE Rankings
LIVE – Career-High
LIVE – Under 21
LIVE – Race Year to Date
WTA Rankings
TOP Under 21
Top USA
Top UK
Top Spain
YTD Rankings
Scores
Rovereto Challenger
Sao Paulo Challenger
Montemar Challenger
Yokohama Challenger
Puerto Vallarta Challenger
Hiromasa Koyama
16 year old
13 Dec 2007
2024
x
Select Year
2024
2 - 5
win/loss
Hard
2
-
3
40%
I Hard
0
-
2
0%
-
High
0
Slam
0
Main
0
Chall
0
Minor
2024 Highlights
2nd
Sapporo
1st
Tokyo
Tokyo
Q2
Hinode
Q1
Sapporo
M25 Sapporo
Hard
Kohei Hayashi
K.Hayashi
JPN
Loss
6-2 6-4
q1
08 Sep 24
L
M25 Sapporo
Hard
Keisuke Saitoh
K.Saitoh
JPN
Loss
6-0 4-6 6-3
2
nd
05 Sep 24
L
Hyeon Chung
H.Chung
KOR
7-5 6-1
1
st
03 Sep 24
W
M15 Tokyo
I.hard
Kenta Miyoshi
K.Miyoshi
JPN
Loss
6-1 6-2
1
st
10 Jul 24
L
M15 Tokyo
I.hard
Ryotaro Matsumura
R.Matsumura
JPN
Loss
6-4 7-5
1
st
03 Jul 24
L
M15 Hinode
Hard
Hong Kit Wong
H.Wong
HKG
Loss
6-7
5
6-3 10-4
q2
11 Mar 24
L
Ryouga Kanno
R.Kanno
JPN
6-2 6-2
q1
10 Mar 24
W
Career Titles - 0
Runner-Up - 0
See all
Year
Sum.
Hard
Clay
I.hard
Grass
Carpet
2024
2-5
2-3
0-0
0-2
0-0
0-0
Total
2-5
2-3
0-0
0-2
0-0
0-0
Ranking History