Player record

Jason Kowalewski

ID 58212ORMaleInactive

Jason Kowalewski's USATT rating is 1,273.

USATT rating1,273

Wins

10

Indexed tournament wins

Losses

7

Indexed tournament losses

Matches

17

Decisive results

Win rate

58.8%

Across indexed matches

Peak rating

1,273

Highest rating in the available history.

Biggest upset

Marly Galindo

1998 Pacific Rim Open · Nov 8, 1998 · +99 rating

Open →

Biggest loss

Not enough data

No qualifying loss available.

Most frequent opponent

Robert Borowski

1 match

Open →

Rating trajectory

Published rating movement across recorded events.

Tournament history

3 tournament appearances · synced Aug 26, 2026, 2:26 AM

DateTournamentRating inRating afterPoints changedRecord
May 23, 19991999 Potomac Spring OpenTournament · View matches1,2601,273+134W / 2L
Nov 8, 19981998 Pacific Rim OpenTournament · View matches1,2141,260+466W / 3L
Nov 16, 1997Mini-Pac Rim Oregon ChampionshTournament · View matches1,2201,214-6+0 / -60W / 2L