M15 Karuizawa· QF
Hiromasa Koyama def. Hikaru Shiraishi · 1 - 2
May 29, 2026
Recent H2H record
Hikaru Shiraishi vs Hiromasa Koyama
Hikaru Shiraishi
Elo 1618
HK
Hiromasa Koyama
Elo 1470
H2H 1-12 meetings
Elo edge Shiraishi +148
View meetingsElo trajectory
Blended Elo history from recent matches.
Effective Elo
Hikaru Shiraishi
HARDSmall sample
75% · 3–1 on hard
Games won (last 10)
51%
10 matches tracked
Head-to-head
Shiraishi 1 • Koyama 1
Head-to-head level
Elo trajectory
Blended Elo history from recent matches.
Effective Elo
Hiromasa Koyama
HARD
29% · 4–10 on hard
CLAYSmall sample
0% · 0–1 on clay
Games won (last 10)
43%
10 matches tracked