Player record

Hiroshi Koshimoto

ID 59772CAMaleActive
Current rating1,519

Wins

350

Indexed tournament wins

Losses

981

Indexed tournament losses

Matches

1,331

Decisive results

Win rate

26.3%

Across indexed matches

Peak rating

1,672

Highest rating in the available history.

Biggest upset

Rowe, Larry

US Nationals · Dec 18, 1994 · +662 rating

Open →

Biggest loss

Trudell, Robert

Colorado River Open · Mar 28, 1999 · -658 rating

Open →

Most frequent opponent

Al Miller

9 matches

Open →

Rating trajectory

Published rating movement across recorded events.

Tournament history

113 tournament appearances · synced Aug 8, 2026, 3:34 AM

DateTournamentRating inRating afterPoints changedRecord
Oct 28, 2001Power Pong OpenTournament · View matches1,6151,565-50+0 / -503W / 8L
Oct 12, 2001Huntsman World Senior GamesTournament · View matches1,6001,615+15+17 / -22W / 3L
Sep 16, 20016th Lake Havasu Open - AZTournament · View matches1,5681,600+32+56 / -244W / 7L
Sep 2, 2001Western Open on the 2001 NA ToTournament · View matches1,5841,568-16+0 / -163W / 13L
Jul 22, 2001High Desert InvitationalTournament · View matches1,5601,584+24+34 / -104W / 3L
Jul 8, 20012001 US Open 3Tournament · View matches1,5771,560-17+13 / -306W / 10L
Jun 24, 2001California State OpenTournament · View matches1,6041,577-27+4 / -311W / 8L
Jun 10, 2001Meiklejohn National Seniors TTTournament · View matches1,4911,604+1134W / 7L
May 13, 2001San Diego Spring 2001Tournament · View matches1,5261,491-35+10 / -452W / 14L
Mar 25, 20012001 Arizona OpenTournament · View matches1,6231,526-978W / 11L
Feb 25, 2001Golden Western Open - CATournament · View matches1,3681,623+2555W / 7L
Dec 17, 20002000 USATT National ChampionshipTournament · View matches1,5351,368-1671W / 15L
Dec 2, 2000Valley of the Sun OpenTournament · View matches1,5461,535-11+0 / -111W / 9L
Nov 5, 2000High Desert OpenTournament · View matches1,5891,546-432W / 7L
Oct 6, 2000Western Open on the No American TourTournament · View matches1,6041,589-15+0 / -152W / 14L
Sep 17, 2000Lake Havasu OpenTournament · View matches1,5951,604+9+35 / -267W / 9L
Sep 10, 2000Pacific Coast OpenTournament · View matches1,5851,595+10+50 / -402W / 8L
Jul 9, 2000U.S. Open/ITTF Pro TourTournament · View matches1,5411,585+448W / 10L
Jun 25, 2000California State OpenTournament · View matches1,5401,541+1+20 / -193W / 7L
Jun 4, 2000Meiklejohn National Senior TTTTournament · View matches1,5471,540-7+2 / -91W / 5L