Statistical Analysis and Estimated Tennis Ratings to the 10,000th of a Point
Match History (2023) View Advanced Player Stats
Sandy Collier (Spring Branch, TX)
Female 		4.0 C
12/31/2023
Estimated Dynamic Rating 3.6568
9/24/2024
Projected Year End Rating ------
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4.0 Rating Meter
Rating Meter
3.5001 - 4.0000
Recent Match History Current Rating History
2023 Adult 18+ Season
League/Level Total
Matches		 Win Loss Tie WPct Total
Sets		 Win Loss WPct Total
Games		 Win Loss WPct Defaults
Adult 18+ 4.0 9 4 5 0 44.4 22 10 12 45.5 165 80 85 48.5 0
Adult 18+ 4.5 5 0 5 0 0.0 12 2 10 16.7 84 26 58 31.0 0
Total 14 4 10 0 28.6 34 12 22 35.3 249 106 143 42.6 0
Match Date League Team Court Partner Opponent(s) W/L Result Match Rating
06/11/2023 Adult 18+
4.5		 Tetris
Texas		 D2 Kathryn Roohan
(3.76) 		Lauren Sweeney
(4.15)
Jennifer Growcock
(4.24) 		L 6-0
6-0		 3.59 3.62
06/08/2023 Adult 18+
4.0		 Not Our Fault
Texas		 D2 Kathryn Roohan
(3.78) 		Catherine Matthews
(3.60)
Meredith Brewer
(3.63) 		L 6-3
6-3		 3.33 3.59
06/06/2023 Adult 18+
4.0		 Not Our Fault
Texas		 D1 Kathryn Roohan
(3.87) 		Andrea Turk
(3.73)
Monica Lindsey
(3.35) 		W 7-5
3-6
1-0		 3.46 3.61
06/04/2023 Adult 18+
4.5		 Tetris
Texas		 D1 Kathryn Roohan
(3.78) 		Kathryn Lemons
(4.07)
Kerin Parvin
(4.12) 		L 6-7
6-3
1-0		 3.94 3.70
06/03/2023 Adult 18+
4.0		 Not Our Fault
Texas		 D2 Kathryn Roohan
(3.80) 		Kellie Johnson
(3.94)
Trisha Walker
(3.74) 		L 6-3
6-4		 3.60 3.61
06/01/2023 Adult 18+
4.0		 Not Our Fault
Texas		 D2 Kathryn Roohan
(3.78) 		Debra Laporte
(3.55)
Norma Trevino
(3.59) 		W 6-1
6-1		 3.87 3.63
06/01/2023 Adult 18+
4.0		 Not Our Fault
Texas		 D3 Kathryn Roohan
(3.76) 		Zdenka Edgar
(3.91)
Anita Wilkinson
(3.61) 		W 2-6
6-0
1-0		 3.77 3.61
05/23/2023 Adult 18+
4.5		 Tetris
Texas		 D1 Kathryn Roohan
(3.66) 		Courtney Mayer
(4.30)
Pamela Sommer
(4.12) 		L 6-4
6-2		 3.80 3.59
04/22/2023 Adult 18+
4.0		 Not Our Fault
Texas		 D2 Kathryn Roohan
(3.75) 		Diana Rendon
(3.43)
Patsy Padron
(3.23) 		W 6-4
6-4		 3.35 3.49
04/16/2023 Adult 18+
4.5		 Tetris
Texas		 D3 Kathryn Roohan
(3.67) 		Nancy Almaraz
(3.89)
Cyrena Durkee
(4.05) 		L 2-6
6-2
1-0		 3.85 3.57
04/15/2023 Adult 18+
4.0		 Not Our Fault
Texas		 D3 Kathryn Roohan
(3.65) 		Susan Hogan
(3.59)
Suzanne Wofford
(3.81) 		L 6-4
6-4		 3.52 3.50
04/08/2023 Adult 18+
4.0		 Not Our Fault
Texas		 D3 Kathryn Roohan
(3.67) 		Candice Hitt
(3.58)
Tiffany May
(3.57) 		L 6-1
4-6
1-0		 3.37 3.48
04/02/2023 Adult 18+
4.5		 Tetris
Texas		 D3 Kathryn Roohan
(3.67) 		Lorie Huber
(4.04)
Anna Studt
(4.14) 		L 6-0
6-2		 3.50 3.50
04/01/2023 Adult 18+
4.0		 Not Our Fault
Texas		 D2 Kathryn Roohan
(3.68) 		Sandra Durnford
(3.56)
Melissa Maddox
(3.69) 		L 6-2
4-6
1-0		 3.45 3.50
06/11/2023 D2 Adult 18+
4.5
Tetris
Texas		 L JNCC ALL ABOUT SETS
Texas
Kathryn Roohan (3.76) 6-0
6-0		 Lauren Sweeney (4.15)
Jennifer Growcock (4.24)
Match: 3.59 Rating: 3.62
06/08/2023 D2 Adult 18+
4.0
Not Our Fault
Texas		 L Saturday SACC Alley Cats
Texas
Kathryn Roohan (3.78) 6-3
6-3		 Catherine Matthews (3.60)
Meredith Brewer (3.63)
Match: 3.33 Rating: 3.59
06/06/2023 D1 Adult 18+
4.0
Not Our Fault
Texas		 W Jesters
Texas
Kathryn Roohan (3.87) 7-5
3-6
1-0		 Andrea Turk (3.73)
Monica Lindsey (3.35)
Match: 3.46 Rating: 3.61
06/04/2023 D1 Adult 18+
4.5
Tetris
Texas		 L Strung Out Sisters
Texas
Kathryn Roohan (3.78) 6-7
6-3
1-0		 Kathryn Lemons (4.07)
Kerin Parvin (4.12)
Match: 3.94 Rating: 3.70
06/03/2023 D2 Adult 18+
4.0
Not Our Fault
Texas		 L Sonterra Snickers
Texas
Kathryn Roohan (3.80) 6-3
6-4		 Kellie Johnson (3.94)
Trisha Walker (3.74)
Match: 3.60 Rating: 3.61
06/01/2023 D2 Adult 18+
4.0
Not Our Fault
Texas		 W Final Fantasy
Texas
Kathryn Roohan (3.78) 6-1
6-1		 Debra Laporte (3.55)
Norma Trevino (3.59)
Match: 3.87 Rating: 3.63
06/01/2023 D3 Adult 18+
4.0
Not Our Fault
Texas		 W Alamo Heights Thompson
Texas
Kathryn Roohan (3.76) 2-6
6-0
1-0		 Zdenka Edgar (3.91)
Anita Wilkinson (3.61)
Match: 3.77 Rating: 3.61
05/23/2023 D1 Adult 18+
4.5
Tetris
Texas		 L Green Tree
Texas
Kathryn Roohan (3.66) 6-4
6-2		 Courtney Mayer (4.30)
Pamela Sommer (4.12)
Match: 3.80 Rating: 3.59
04/22/2023 D2 Adult 18+
4.0
Not Our Fault
Texas		 W FOR Fun Gals
Texas
Kathryn Roohan (3.75) 6-4
6-4		 Diana Rendon (3.43)
Patsy Padron (3.23)
Match: 3.35 Rating: 3.49
04/16/2023 D3 Adult 18+
4.5
Tetris
Texas		 L SONTERRA SQUIRRELS
Texas
Kathryn Roohan (3.67) 2-6
6-2
1-0		 Nancy Almaraz (3.89)
Cyrena Durkee (4.05)
Match: 3.85 Rating: 3.57
04/15/2023 D3 Adult 18+
4.0
Not Our Fault
Texas		 L Shavano Senoritas
Texas
Kathryn Roohan (3.65) 6-4
6-4		 Susan Hogan (3.59)
Suzanne Wofford (3.81)
Match: 3.52 Rating: 3.50
04/08/2023 D3 Adult 18+
4.0
Not Our Fault
Texas		 L JNCC Sheilas
Texas
Kathryn Roohan (3.67) 6-1
4-6
1-0		 Candice Hitt (3.58)
Tiffany May (3.57)
Match: 3.37 Rating: 3.48
04/02/2023 D3 Adult 18+
4.5
Tetris
Texas		 L Shavano Sunshines 18+
Texas
Kathryn Roohan (3.67) 6-0
6-2		 Lorie Huber (4.04)
Anna Studt (4.14)
Match: 3.50 Rating: 3.50
04/01/2023 D2 Adult 18+
4.0
Not Our Fault
Texas		 L Blossom Pichot Saturday
Texas
Kathryn Roohan (3.68) 6-2
4-6
1-0		 Sandra Durnford (3.56)
Melissa Maddox (3.69)
Match: 3.45 Rating: 3.50
Glossary
Match Player rating for individual match.
Rating Dynamic rating after completed match.
NC Match not yet calculated into rating.
S Self rated or unrated player involved in match so no match rating calculated for current player.
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