Player record

Kohatsu, Massao

ID 219617MaleInactive
Current rating2,550
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Wins

120

Indexed tournament wins

Losses

15

Indexed tournament losses

Matches

135

Decisive results

Win rate

88.9%

Across indexed matches

Peak rating

2,612

Highest rating in the available history.

Biggest upset

Yichi Zhang

Vernon Hills Giant RR Teams Tournament · Oct 7, 2017 · +103 rating

Open →

Biggest loss

He, Xiang

2018 Arnold Table Tennis Challenge · Mar 2, 2018 · -170 rating

Open →

Most frequent opponent

Yichi Zhang

10 matches

Open →

Rating trajectory

Published rating movement across recorded events.

Tournament history

17 tournament appearances · synced Aug 7, 2026, 2:13 AM

DateTournamentRating inRating afterPoints changedRecord
Mar 4, 2021T2 ChallengeTournament · View matches2,5752,550-25+0 / -250W / 1L
Nov 21, 2020T2 Challenge Season 2 Selection Trials at LYTTCTournament · View matches2,5722,575+3+3 / 08W / 0L
Jan 18, 20192019 Aurora CupTournament · View matches2,6002,572-28+0 / -285W / 2L
Nov 3, 20182018 New Orleans Fall OpenTournament · View matches2,6122,600-12+1 / -136W / 1L
Sep 8, 2018Atlanta Fall OpenTournament · View matches2,5992,612+13+13 / 07W / 0L
Jul 29, 2018Vernon Hills Summer OpenTournament · View matches2,5992,5990+0 / 05W / 0L
Jul 15, 20182018 Aurora Summer OpenTournament · View matches2,5992,5990+0 / 05W / 0L
Jun 30, 2018Summer OpenTournament · View matches2,5992,5990+0 / 07W / 0L
May 26, 2018America's Team ChampionshipTournament · View matches2,5932,599+6+19 / -1311W / 1L
Mar 17, 201854th St.Joseph Valley OpenTournament · View matches2,5902,587-3+7 / -103W / 1L
Mar 2, 20182018 Arnold Table Tennis ChallengeTournament · View matches2,5812,590+9+18 / -95W / 2L
Jan 12, 20182018 Aurora CupTournament · View matches2,5432,581+38+44 / -612W / 1L
Dec 17, 2017Chicago TableTennis LeagueTournament · View matches2,5872,593+6+14 / -816W / 1L
Nov 3, 20172017 Kansas City Fall OpenTournament · View matches2,5472,543-4+9 / -139W / 1L
Oct 28, 2017South Shore Sports & Butterfly OpenTournament · View matches2,5522,547-5+1 / -62W / 1L
Oct 7, 2017Vernon Hills Giant RR Teams TournamentTournament · View matches · USATT readjusted 2,454 → 2,5192,4542,552+33+39 / -613W / 1L
Sep 15, 20172017 Butterfly Badger OpenTournament · View matches · Initial rating 2,454Unrated2,454+4+17 / -136W / 2L