Player record

Ackerman, John

ID 30580MNMaleInactive
Current rating1,315

Wins

93

Indexed tournament wins

Losses

70

Indexed tournament losses

Matches

163

Decisive results

Win rate

57.1%

Across indexed matches

Peak rating

1,500

Highest rating in the available history.

Biggest upset

Teotia, Seemant

Porky's Fall Classic · Oct 15, 2006 · +448 rating

Open →

Biggest loss

Ford, Lee

Porky's Fall Classic Open · Oct 9, 2005 · -657 rating

Open →

Most frequent opponent

Haraldson, Richard (Rich)

3 matches

Open →

Rating trajectory

Published rating movement across recorded events.

Tournament history

24 tournament appearances · synced Aug 8, 2026, 2:19 AM

DateTournamentRating inRating afterPoints changedRecord
Aug 18, 20182018 Minnesota Summer Super Giant RRTournament · View matches1,3081,315+7+16 / -91W / 6L
Mar 11, 2017LYTTC "FIT" OpenTournament · View matches1,4031,308-95+2 / -975W / 4L
Mar 8, 20152015 Arnold Table Tennis ChallengeTournament · View matches1,3811,403+226W / 3L
Jan 26, 20142014 Minnesota State ChampionshipsTournament · View matches1,3881,381-72W / 2L
Jul 25, 2010Lake Superior International OpenTournament · View matches1,4251,388-37+0 / -373W / 7L
Jan 25, 2009Minnesota State ChampionshipsTournament · View matches1,4451,425-20+0 / -202W / 1L
Jan 27, 20082008 Minnesota State ChampionshipTournament · View matches1,5001,445-55+0 / -550W / 2L
Jun 3, 20072007 Minnesota OpenTournament · View matches · USATT readjusted 1,345 → 1,4601,3451,500+40+49 / -96W / 3L
Jan 28, 20072007 Minnesota State ChampionsTournament · View matches1,3951,345-502W / 4L
Dec 30, 2006Killerspin Holiday OpenTournament · View matches1,3871,395+8+76 / -683W / 4L
Oct 15, 2006Porky's Fall ClassicTournament · View matches · USATT readjusted 1,244 → 1,3101,2441,387+77+79 / -25W / 3L
Apr 23, 20062006 Minnesota OpenTournament · View matches1,3491,244-105+0 / -1050W / 5L
Dec 30, 20052005 Killerspin Holiday OpenTournament · View matches1,1481,349+2018W / 1L
Dec 4, 2005All Tree Service OpenTournament · View matches1,1621,148-14+0 / -142W / 4L
Oct 9, 2005Porky's Fall Classic OpenTournament · View matches1,2401,162-78+2 / -801W / 3L
Apr 24, 2005Buckeye Open 2005Tournament · View matches1,2181,240+22+39 / -175W / 3L
Jan 30, 20052005 MN State TT ChampionshipsTournament · View matches1,2261,218-83W / 3L
Oct 17, 2004Highland OpenTournament · View matches1,0051,226+2218W / 2L
Aug 28, 2004NAC Summer Giant RRTournament · View matches1,0111,005-64W / 2L
May 16, 200440th St. Joseph Valley OpenTournament · View matches8871,011+1248W / 3L