Match analytics
Hikaru Shiraishi vs Hiromasa Koyama · Match odds & ELO prediction
M15 Karuizawa • Clay • May 29, 2026 • 1:00 AM
Clay
From a surface perspective, both players appear closely matched, with similar Elo ratings on clay courts and no obvious edge in 2026 results.
Final score
1 - 2
Winner Hiromasa Koyama
Key insights
Player performance profile
Hikaru Shiraishi
HARDSmall sample
75% · 3–1 on hard
Games won (last 10)
51%
10 matches tracked
Hiromasa Koyama
HARD
29% · 4–10 on hard
CLAYSmall sample
0% · 0–1 on clay
Games won (last 10)
43%
10 matches tracked
Match Overview
Hikaru Shiraishi and Hiromasa Koyama are set to meet at the M15 Karuizawa on May 29, 2026 in a clay-court singles match. Shiraishi enters with limited recorded results on clay courts in 2026, while Koyama has limited recorded results on clay courts this season. Based on Elo ratings, this projects as a tight matchup with neither player holding more than a slight statistical edge. Their head-to-head is currently level, with each player having recorded 1 wins.
Recent form has been mixed for both players, with Shiraishi and Koyama alternating wins and losses across their last few singles outings.