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 11, 2026, 2:16 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Feb 23, 1996 | 1996 US Olympic TrialsTournament · View matches | 2,583 | 2,546 | -37+2 / -39 | 2W / 3L |
| Jan 28, 1996 | The New York OpenTournament · View matches | 2,584 | 2,583 | -1+4 / -5 | 3W / 1L |
| Jan 21, 1996 | NTTC January OpenTournament · View matches | 2,589 | 2,584 | -5+0 / -5 | 1W / 1L |
| Jan 21, 1996 | NJTTC January OpenTournament · View matches | 2,589 | 2,589 | 0+5 / -5 | 4W / 1L |
| Dec 18, 1995 | USATT National ChampionshipsTournament · View matches · USATT readjusted 2,401 → 2,567 | 2,401 | 2,589 | +22+26 / -4 | 7W / 1L |
| Dec 4, 1995 | 1995 Hofstra OpenTournament · View matches | 2,430 | 2,401 | -29 | 6W / 6L |
| Nov 26, 1995 | US Open Team ChampionshipsTournament · View matches | 2,464 | 2,433 | -31 | 8W / 7L |
| Nov 19, 1995 | Potomac Fall OpenTournament · View matches | 2,480 | 2,464 | -16+0 / -16 | 1W / 2L |
| Nov 12, 1995 | NJTTC November OpenTournament · View matches | 2,477 | 2,480 | +3+4 / -1 | 4W / 1L |
| Nov 12, 1995 | MATTC November OpenTournament · View matches | 2,480 | 2,480 | 0+1 / -1 | 4W / 1L |
| Sep 11, 1995 | Missouri Open AllStar TT ChampionshipTournament · View matches | 2,499 | 2,477 | -22+0 / -22 | 6W / 3L |
| Aug 27, 1995 | NTTC August OpenTournament · View matches | 2,497 | 2,499 | +2+4 / -2 | 5W / 1L |
| Aug 20, 1995 | Sun TV Pittsburgh OpenTournament · View matches | 2,400 | 2,497 | +97 | 5W / 2L |
| Jul 30, 1995 | 1995 Olympic FestivalTournament · View matches | 2,405 | 2,400 | -5 | 2W / 7L |
| Jul 16, 1995 | $8000 Detroit OpenTournament · View matches | 2,383 | 2,405 | +22+31 / -9 | 4W / 3L |
| Jul 9, 1995 | US OpenTournament · View matches | 2,399 | 2,383 | -16 | 6W / 4L |
| Jun 18, 1995 | NTTC June OpenTournament · View matches | 2,405 | 2,399 | -6+0 / -6 | 1W / 1L |
| Jun 11, 1995 | MATTC June OpenTournament · View matches | 2,406 | 2,405 | -1+1 / -2 | 4W / 1L |
| Jun 4, 1995 | Hall of FameTournament · View matches | 2,467 | 2,406 | -61 | 2W / 6L |
| May 29, 1995 | St. Joseph Valley, No. AmericaTournament · View matches | 2,470 | 2,467 | -3+2 / -5 | 2W / 2L |