Wins
10
Indexed tournament wins
Player record
Koo, Juan Pablo
Losses
10
Indexed tournament losses
Matches
20
Decisive results
Win rate
50.0%
Across indexed matches
Peak rating
2,382
Highest rating in the available history.
Biggest upset
Ramirez-Marin, Jose Miguel
2002 Pan Am Youth Championship · Jun 27, 2002 · +141 rating
Open →Biggest loss
Farley, Kevin
2002 Pan Am Youth Championship · Jun 27, 2002 · -398 rating
Open →Most frequent opponent
Ramirez-Marin, Jose Miguel
2 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
4 tournament appearances · synced Aug 9, 2026, 2:15 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Jul 6, 2003 | 2003 U.S. OpenTournament · View matches | 2,378 | 2,365 | -13+0 / -13 | 1W / 1L |
| Jul 6, 2002 | 2002 ITTF World Junior CircuitTournament · View matches · USATT readjusted 2,382 → 2,383 | 2,382 | 2,378 | -5+0 / -5 | 0W / 1L |
| Jun 27, 2002 | 2002 Pan Am Youth ChampionshipTournament · View matches | 2,402 | 2,382 | -20 | 6W / 6L |
| Jul 6, 1997 | U.S. OpenTournament · View matches · Initial rating 1,751 | Unrated | 1,751 | — | 3W / 2L |
1–4 of 4
Page 1 of 1