Player record

Lonergan, Sean Michael

ID 27763MDMaleInactive
Current rating2,472
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Wins

754

Indexed tournament wins

Losses

366

Indexed tournament losses

Matches

1,120

Decisive results

Win rate

67.3%

Across indexed matches

Peak rating

2,615

Highest rating in the available history.

Biggest upset

Jimmy Butler

US Nationals · Dec 18, 1994 · +319 rating

Open →

Biggest loss

Prakash, Kesh

MDTTC September Open · Sep 21, 1997 · -574 rating

Open →

Most frequent opponent

David Yong-Xiang Zhuang

36 matches

Open →

Rating trajectory

Published rating movement across recorded events.

Tournament history

189 tournament appearances · synced Aug 11, 2026, 2:16 AM

DateTournamentRating inRating afterPoints changedRecord
Jul 4, 19991999 US OpenTournament · View matches2,5412,539-2+19 / -216W / 3L
Jun 29, 19991999 North American ChampionshTournament · View matches2,5442,541-3+2 / -51W / 2L
May 30, 1999St. Joseph Valley OpenTournament · View matches2,5352,544+9+15 / -64W / 2L
May 23, 1999NJTTC May OpenTournament · View matches2,5582,528-30+0 / -304W / 1L
May 23, 19991999 Potomac Spring OpenTournament · View matches2,5282,535+7+7 / 03W / 1L
Apr 11, 19991999 Los Angeles TT Open ChampTournament · View matches2,5542,558+49W / 2L
Apr 4, 1999Spin OpenTournament · View matches2,4642,554+908W / 2L
Mar 28, 1999MATTC March OpenTournament · View matches2,4712,464-7+0 / -71W / 1L
Mar 21, 1999NJTTC March OpenTournament · View matches2,4672,471+4+4 / 04W / 1L
Mar 7, 19991999 National Team TrialsTournament · View matches2,4852,467-18+36 / -545W / 7L
Feb 21, 1999MDTTC February OpenTournament · View matches2,4982,485-13+0 / -132W / 1L
Jan 9, 1999BCC Butterfly Jan OpenTournament · View matches2,4902,498+8+8 / 04W / 0L
Dec 20, 19981998 USATT NationalsTournament · View matches2,4872,490+3+4 / -12W / 1L
Nov 29, 19981998 North American Teams ChampionshipsTournament · View matches2,5442,487-578W / 5L
Nov 22, 1998Potomac Fall OpenTournament · View matches2,5282,544+163W / 2L
Nov 15, 1998Westfield November OpenTournament · View matches2,5152,528+13+15 / -23W / 1L
Nov 15, 1998MDTTC November OpenTournament · View matches2,5352,515-20+0 / -201W / 1L
Nov 1, 1998Kennedy Memorial Park "Winter Tournament · View matches2,5352,5350+2 / -24W / 1L
Oct 25, 19981998 Southern OpenTournament · View matches2,5332,535+2+4 / -22W / 1L
Oct 18, 19981998 Millcreek OpenTournament · View matches2,5262,533+7+15 / -88W / 1L