Wins
207
Indexed tournament wins
Player record
Rob Koehler
Losses
311
Indexed tournament losses
Matches
518
Decisive results
Win rate
40.0%
Across indexed matches
Peak rating
1,622
Highest rating in the available history.
Biggest upset
Dawson, Steve
Davison September Open · Sep 29, 2001 · +526 rating
Open →Biggest loss
Joshi, Vishal
2007 Michigan Closed · Apr 1, 2007 · -590 rating
Open →Most frequent opponent
Witt, David
11 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
54 tournament appearances · synced Aug 8, 2026, 3:34 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Apr 28, 2007 | April OpenTournament · View matches | 928 | 978 | +50+50 / 0 | 4W / 7L |
| Apr 1, 2007 | 2007 Michigan ClosedTournament · View matches | 1,039 | 928 | -111+45 / -156 | 2W / 10L |
| Sep 27, 2003 | September OpenTournament · View matches | 1,143 | 1,039 | -104 | 1W / 12L |
| Nov 23, 2002 | Davison November OpenTournament · View matches | 1,146 | 1,143 | -3 | 6W / 5L |
| Jul 27, 2002 | Davison July OpenTournament · View matches | 1,329 | 1,146 | -183 | 3W / 4L |
| Jun 22, 2002 | Davison June OpenTournament · View matches | 1,317 | 1,329 | +12+25 / -13 | 1W / 5L |
| May 18, 2002 | Davison Table Tennis Team ChampionshipTournament · View matches · USATT readjusted 1,056 → 1,278 | 1,056 | 1,317 | +39+56 / -17 | 2W / 8L |
| Apr 27, 2002 | Davison April OpenTournament · View matches | 1,158 | 1,056 | -102 | 5W / 8L |
| Apr 21, 2002 | Michigan Closed TT ChampionshipTournament · View matches | 1,203 | 1,158 | -45 | 0W / 7L |
| Mar 30, 2002 | Davison March OpenTournament · View matches | 1,218 | 1,203 | -15+4 / -19 | 1W / 3L |
| Feb 23, 2002 | Davison February OpenTournament · View matches | 1,179 | 1,218 | +39+40 / -1 | 5W / 2L |
| Jan 26, 2002 | Davison January OpenTournament · View matches | 1,161 | 1,179 | +18 | 9W / 2L |
| Dec 15, 2001 | Davison December OpenTournament · View matches | 1,042 | 1,161 | +119 | 4W / 5L |
| Nov 17, 2001 | Davison November OpenTournament · View matches | 1,033 | 1,042 | +9 | 3W / 5L |
| Oct 20, 2001 | Davison October OpenTournament · View matches | 988 | 1,033 | +45 | 4W / 6L |
| Sep 29, 2001 | Davison September OpenTournament · View matches | 883 | 988 | +105 | 4W / 7L |
| May 19, 2001 | Davison May OpenTournament · View matches | 897 | 883 | -14 | 4W / 7L |
| Mar 24, 2001 | MI-MARCH OPENTournament · View matches | 908 | 897 | -11 | 5W / 10L |
| Jan 28, 2001 | 2001 Michigan State TT ChampioTournament · View matches | 880 | 908 | +28 | 6W / 7L |
| Jan 13, 2001 | MI -Davison Jan. OpenTournament · View matches | 857 | 880 | +23 | 4W / 4L |