Wins
754
Indexed tournament wins
Player record
Lonergan, Sean Michael
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 12, 2026, 2:16 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| May 14, 1995 | NTTC May OpenTournament · View matches | 2,486 | 2,470 | -16+0 / -16 | 2W / 1L |
| Apr 30, 1995 | Westfield April OpenTournament · View matches | 2,473 | 2,463 | -10+0 / -10 | 4W / 1L |
| Apr 29, 1995 | 1995 Maryland State ChampionshipTournament · View matches | 2,453 | 2,473 | +20+25 / -5 | 7W / 2L |
| Apr 23, 1995 | 1995 ACUI NationalsTournament · View matches | 2,463 | 2,486 | +23 | 5W / 0L |
| Apr 16, 1995 | Potomac Spring OpenTournament · View matches | 2,456 | 2,453 | -3+0 / -3 | 1W / 2L |
| Apr 2, 1995 | National Collegiate Team ChampionshipTournament · View matches | 2,455 | 2,456 | +1 | 7W / 1L |
| Mar 26, 1995 | Louisiana OpenTournament · View matches | 2,459 | 2,455 | -4+32 / -36 | 7W / 4L |
| Mar 19, 1995 | NTTC March OpenTournament · View matches | 2,472 | 2,459 | -13+0 / -13 | 0W / 1L |
| Mar 12, 1995 | Westfield March OpenTournament · View matches | 2,468 | 2,472 | +4+8 / -4 | 4W / 1L |
| Mar 5, 1995 | Pittsburgh OpenTournament · View matches | 2,493 | 2,468 | -25 | 3W / 0L |
| Feb 26, 1995 | Waterfront TT Mid Winter OpenTournament · View matches | 2,496 | 2,493 | -3+2 / -5 | 3W / 1L |
| Feb 18, 1995 | NTTC February OpenTournament · View matches | 2,501 | 2,496 | -5+0 / -5 | 2W / 1L |
| Feb 11, 1995 | MATTC February OpenTournament · View matches | 2,496 | 2,496 | 0+0 / 0 | 4W / 1L |
| Jan 29, 1995 | Westside TT Jan '95 OpenTournament · View matches | 2,506 | 2,501 | -5+1 / -6 | 1W / 1L |
| Jan 22, 1995 | NTTC January OpenTournament · View matches | 2,499 | 2,501 | +2+2 / 0 | 2W / 1L |
| Jan 15, 1995 | Westfield January OpenTournament · View matches | 2,499 | 2,499 | 0+2 / -2 | 4W / 1L |
| Dec 18, 1994 | US NationalsTournament · View matches · USATT readjusted 2,412 → 2,473 | 2,412 | 2,499 | +26+73 / -47 | 8W / 8L |
| Dec 11, 1994 | NTTC December OpenTournament · View matches | 2,385 | 2,412 | +27 | 4W / 1L |
| Dec 4, 1994 | Hofstra OpenTournament · View matches | 2,394 | 2,385 | -9+0 / -9 | 2W / 2L |
| Nov 27, 1994 | US TeamsTournament · View matches | 2,367 | 2,394 | +27 | 9W / 8L |