The Japan Open 2025 will take place from September 19 to September 23 in Tokyo, Japan. This tournament is separated into 2 categories – Masters and Challengers. The Challengers section is a 9-round Swiss system tournament with time control of 90 min + 30 sec/move. For more events from Japan, check out The Asian Chess Calendar, which is part of The Chess Calendar.
The top-seeded players are Nguyen Tuan Anh (1988), Gishi Takeshi (1971), Tran Duc Hung Long (1969), Planche Pierre-Francois (1958), Xue Shixuan (1920), Otake Sakae (1916), Baisynov Islambek (1914), Kuroda Yunosuke (1903), Nodon Jeremi (1897), Tanaka Satoshi (1885), Kitagami Show (1879), Saito Hiromasa (1877), Shishido Yusuke (1873), Abe Taro (1860), Tanaka Ryosuke (1859), Kim Taewoo A (1857), Erkoc Vedat (1854), Chen Yueyi (1852), Young Steven D (1849), Summerville Nathan (1847). Scroll down for the full participants list.
Categories: Masters
More Asian events: 23rd RCC International Fide Rated Classical Cup / 24th RCC International Fide Rated Rapid Cup / 25th RCC International Fide Rated Blitz Cup / Tsaghkadzor Open 2025 / Dasman Classical Chess Championship 2025 / Sukanun Chess 2025 / 20th Dato Arthur Tan Malaysian Open Chess Championship
Japan Open 2025 Challengers Participants
No.
Name
FED
RtgI
RtgN
1
Nguyen, Tuan Anh
VIE
1988
1897
2
Gishi, Takeshi
JPN
1971
1926
3
Tran, Duc Hung Long
VIE
1969
1840
4
Planche, Pierre-Francois
FRA
1958
1958
5
Xue, Shixuan
CHN
1920
0
6
Otake, Sakae
JPN
1916
1681
7
Baisynov, Islambek
KGZ
1914
0
8
Kuroda, Yunosuke
JPN
1903
1863
9
Nodon, Jeremi
JPN
1897
1906
10
Tanaka, Satoshi
JPN
1885
1812
11
Kitagami, Show
JPN
1879
1836
12
Saito, Hiromasa
JPN
1877
1871
13
Shishido, Yusuke
JPN
1873
1724
14
Abe, Taro
JPN
1860
1783
15
Tanaka, Ryosuke
JPN
1859
1815
16
Kim, Taewoo A
KOR
1857
0
17
Erkoc, Vedat
TUR
1854
1869
18
Chen, Yueyi
GER
1852
0
19
Young, Steven D
USA
1849
0
20
Summerville, Nathan
JPN
1847
1835
21
Patil, Rushad
JPN
1846
1843
22
Thapa, Lekha Bahadur
NEP
1845
1889
23
Araki, Dai
JPN
1828
1747
24
Sugimoto, Koichi
JPN
1826
1852
25
Kanda, Daigo
JPN
1820
1792
26
Shakuya, Keita
JPN
1819
1708
27
Wu, Chen- Hao
TPE
1818
0
28
Song, Jihu
KOR
1815
0
29
Clark, Domenic
JPN
1812
1768
30
Kato, Ami
JPN
1810
1725
31
Ogasa, Seiichi
JPN
1798
1668
32
Zhu, Alicia
USA
1792
0
33
Nakanishi, Yuuma
JPN
1790
1848
34
Jang, Seojun
KOR
1786
0
35
Ursely, Arthur
FRA
1781
0
36
Onuma, Kota
JPN
1779
1764
37
Karasawa, Yuta
JPN
1778
1648
38
WCM
Kojima, Natsumi
JPN
1769
1753
39
Zhou, Tony
HKG
1769
0
40
Mamatkulov, Azizjon
JPN
1766
1625
41
Yokota, Yoshiaki
JPN
1765
1801
42
Nguyen, Cong Khen
VIE
1762
1731
43
Bhatia, Praveen
JPN
1761
1698
44
WCM
Mitsuyama, Rikka
JPN
1758
1743
45
WCM
Hasegawa, Emi
JPN
1745
1678
46
Lopez de Anda, Edgar
USA
1743
0
47
Koyama, Nobuyuki
JPN
1739
1748
48
Kawamura, Takuto
JPN
1735
1747
49
Curtis, Toby
JPN
1731
1565
50
Mukai, Hiroyuki
JPN
1729
1633
51
Burgess, Joseph
JPN
1729
1553
52
Kakishima, Hinata
JPN
1717
1630
53
Lee, Donghyun C
KOR
1714
0
54
AGM
Zhang, Yicheng
JPN
1708
1613
55
Chen, Yuefan
GER
1704
0
56
Fukuda, Toyoaki
JPN
1703
1716
57
Sun, Chang Jyu
TPE
1699
1675
58
Takayama, Tadayoshi
JPN
1690
1607
59
Mooi, Kok Onn Osric
SGP
1688
0
60
Noda, Ryo
JPN
1682
1671
61
WCM
Misawa, Yuki
JPN
1682
1614
62
Pichon, Mathieu
FRA
1678
0
63
Takase, Hayato
JPN
1676
1477
64
Lee, Onbin
KOR
1676
0
65
Kim, Dohyun D
KOR
1672
0
66
Huang, Aaron Yu-Hsi
TPE
1668
0
67
Ishii, Hibiki
JPN
1667
1590
68
Lau, Tsz Yiu Christ
HKG
1667
0
69
Nukui, Michitaka
JPN
1663
1398
70
Abe, Masahiro
JPN
1649
1481
71
Kaur, Ravneet
IND
1643
1604
72
Matsumoto, Shinji
JPN
1636
1393
73
Cha, Tony
JPN
1631
1636
74
Toyota, Yusuke
JPN
1630
1537
75
ACM
Ramkumar, Aravindh
JPN
1623
1437
76
Jiang, Luning
CHN
1621
0
77
Lam, Lok Sum
HKG
1621
0
78
Chen, Zixi
CHN
1620
0
79
WCM
Wong, Linda Jane
TPE
1619
1716
80
Wu, Sinian
CHN
1619
0
81
Kumasaka, Akiho
JPN
1616
1510
82
Hung, I-Hsuan
TPE
1616
0
83
WCM
You, Garam
KOR
1608
0
84
Chung, Frederick H.
TPE
1607
0
85
Niori, Toma
JPN
1606
1630
86
Kothakota, Satya Sandesh
JPN
1603
1431
87
Karimov, Ismail
KGZ
1600
0
88
Aritro, Dhar
BAN
1599
0
89
Aditya, Mohajan
BAN
1593
0
90
Chongstitwattana, Cholapat
THA
1592
0
91
Liang, Zhuobin
CHN
1579
0
92
Zawad, Hussain
BAN
1576
0
93
Furuse, Mizuki
JPN
1575
1584
94
Yen, Yu-Ting
TPE
1570
0
95
Kanehara, Hiromichi
JPN
1564
1385
96
Hehir, Stephen
JPN
1557
1457
97
Deno, Masahiko
JPN
1554
1293
98
N, Murugappan
IND
1550
1649
99
Xu, Xiaodi
CHN
1547
0
100
Wang, Minrui
JPN
1545
1457
101
Lim, Howe Luong
MAS
1528
0
102
Ishitsu, Mike
JPN
1525
0
103
Itokazu, Antonio
JPN
1510
1474
104
Inoue, Satomi
JPN
1507
1395
105
Wang, Yifan(BJ)
CHN
1505
0
106
Du, Jonathan
USA
1489
1461
107
Li, Chengfei
CHN
1486
0
108
Jang, Seungwoo
KOR
1455
0
109
Khamkuer, Thanthorn
THA
1453
0
110
Anobadyo, Shristi Ghosh
BAN
1448
0
111
Akiyama, Kairi
JPN
1432
1443
112
Yoshida, Sou
JPN
0
1690
113
Kihara, Taira
JPN
0
1678
114
Sato, Keito
JPN
0
1581
115
AFM
Handika, Rangga
JPN
0
1531
116
Takahashi, Taiga
JPN
0
1495
117
Jie, Jingfei
JPN
0
1473
118
Chong, Wing Hei
JPN
0
1416
119
Tsai, Nicholas
USA
0
1355
120
Okita, Ken
JPN
0
1342
121
Nakamura, Junko
JPN
0
1299
122
Kitahara, Fumihiro
JPN
0
1251
123
Solanki, Shambhavi
JPN
0
1246
124
Takano, Shun
JPN
0
1239
125
Hernandez, Jino
JPN
0
1230
126
Biju Pillai, Nanma
JPN
0
1167
127
Watanabe, Timofei
JPN
0
1134
128
Ramkumar, Aaradh
0
1011
129
Ono, Yukiko
JPN
0
1000
130
Elena, Mishra
IND
0
0
131
Ismailov, Bolotbek
KGZ
0
0
132
Li, Yu Tung
HKG
0
0
133
Liang, Haoyang
CHN
0
0
134
Lin, Yu-Fei
TPE
0
0
135
Lo, Gareth
HKG
0
0
136
Noda, Kyohei
JPN
0
0
137
Tavakalov, Doolatbek
KGZ
0
0
138
Visvanathan, Kieran Chang
TPE
0
0
139
Wada, Ryotaro
JPN
0
0
140
Wang, Alison
TPE
0
0
141
Wang, Mason
TPE
0
0
142
Xu, Hongyuan
JPN
0
0
143
Zhao, Ming
CHN
0
0