Player record

Haruichiro Ishiyama

ID 284009WAMaleActive
Current rating554
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Wins

14

Indexed tournament wins

Losses

25

Indexed tournament losses

Matches

39

Decisive results

Win rate

35.9%

Across indexed matches

Peak rating

554

Highest rating in the available history.

Biggest upset

Brian He

2026 USATT Washington Open · Jun 20, 2026 · +424 rating

Open →

Biggest loss

Thom Sonavane

2026 USATT Washington Open · Jun 20, 2026 · -260 rating

Open →

Most frequent opponent

Yuewen Zheng

4 matches

Open →

Rating trajectory

Published rating movement across recorded events.

Tournament history

8 tournament appearances · synced Aug 7, 2026, 8:48 PM

DateTournamentRating inRating afterPoints changedRecord
Jun 20, 20262026 USATT Washington OpenTournament · View matches498554+56+56 / 04W / 1L
May 30, 2026ETTA BUTTERFLY MAY OPEN 2026Tournament · View matches471498+27+37 / -103W / 3L
Mar 28, 2026ETTA BUTTERFLY MARCH OPEN 2026Other Sanctioned Tournaments · View matches461471+10+10 / 03W / 1L
Feb 22, 20262026 Butterfly SPTTC February OpenOther Sanctioned Tournaments · View matches445461+16+16 / 02W / 6L
Jan 25, 2026ETTA BUTTERFLY JANUARY OPEN 2026Other Sanctioned Tournaments · View matches44544501W / 4L
Aug 23, 20252025 Butterfly SPTTC August OpenTournament · View matches448445-3+0 / -30W / 5L
May 31, 20252025 Butterfly SPTTC May OpenTournament · View matches4484480+0 / 00W / 3L
Nov 23, 20242024 SPTTC November Open & Washington State ChampionshipsTournament · View matches · Initial rating 448Unrated4480+1 / -11W / 2L