Player record

Guillermo Rosales

ID 58756GAMaleInactive

Guillermo Rosales's USATT rating is 2,100.

USATT rating2,100
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Wins

200

Indexed tournament wins

Losses

44

Indexed tournament losses

Matches

244

Decisive results

Win rate

82.0%

Across indexed matches

Peak rating

2,260

Highest rating in the available history.

Biggest upset

David Sakai

US Open · Jul 10, 2005 · +108 rating

Open →

Biggest loss

Roger Martin

SFFL Feb. Players Series · Feb 10, 1996 · -440 rating

Open →

Most frequent opponent

Jim Mcqueen

8 matches

Open →

Rating trajectory

Published rating movement across recorded events.

Tournament history

33 tournament appearances · synced Aug 26, 2026, 2:23 AM

DateTournamentRating inRating afterPoints changedRecord
Aug 21, 19991999 Charlotte OpenTournament · View matches2,1472,154+7+8 / -18W / 1L
Oct 10, 1998Augusta October OpenTournament · View matches2,1392,147+8+8 / 03W / 1L
Jun 6, 1998SFFL June Player SeriesTournament · View matches2,1462,139-7+0 / -74W / 1L
Apr 18, 19981998 Charlotte Spring OpenTournament · View matches2,1472,146-1+0 / -17W / 1L
Mar 7, 1998SFFL March Player SeriesTournament · View matches2,1852,147-38+12 / -508W / 1L
Feb 7, 1998SFFL February Player SeriesTournament · View matches2,1772,185+86W / 0L
Jan 3, 1998SFFL January Player SeriesTournament · View matches2,1882,177-11+2 / -137W / 1L
Dec 6, 1997SFFL December Player SeriesTournament · View matches2,1772,188+11+11 / 06W / 0L
May 4, 1996SFFL May Players SeriesTournament · View matches2,1652,177+12+12 / 07W / 0L
Feb 10, 1996SFFL Feb. Players SeriesTournament · View matches2,2232,165-58+5 / -638W / 2L
Mar 11, 1995SFFL March OpenTournament · View matches2,2602,223-37+3 / -407W / 1L
Aug 20, 1994SFFL Series 2 Man TeamsTournament · View matches2,2492,260+11+11 / 08W / 0L
Jun 4, 1994SFFL Players SeriesTournament · View matches2,1322,152+207W / 0L