Statistical Analysis and Estimated Tennis Ratings to the 10,000th of a Point
Match History (2021) View Advanced Player Stats
Amy CookSjoerdsma (Las Vegas, NV)
Female 		4.0 C
12/31/2024
Estimated Dynamic Rating 3.6167
1/2/2025
Projected Year End Rating ------
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4.0 Rating Meter
Rating Meter
3.5001 - 4.0000
Recent Match History Current Rating History
2021 Overall Season [Doubles]
League/Level Total
Matches		 Win Loss Tie WPct Total
Sets		 Win Loss WPct Total
Games		 Win Loss WPct Defaults
Adult 55+ 8.0 2 2 0 0 100.0 5 4 1 80.0 36 21 15 58.3 0
Adult Other 4.0 12 3 9 0 25.0 25 7 18 28.0 216 89 127 41.2 0
Total 14 5 9 0 35.7 30 11 19 36.7 252 110 142 43.7 0
Match Date League Team Court Partner Opponent(s) W/L Result Match Rating
12/13/2021 Adult Other
4.0		 CLUB RIDGES #2
Intermountain		 D4 Debora Dean
(3.64) 		Tina Back
(3.60)
Helen Johnson
(3.01) 		W 6-3
6-1		 3.53 3.51
11/29/2021 Adult Other
4.0		 CLUB RIDGES #2
Intermountain		 D4 Diane Sanders
(3.51) 		Nilda Chang
(3.23)
Karen Miller
(3.50) 		W 6-3
6-3		 3.56 3.51
11/15/2021 Adult Other
4.0		 CLUB RIDGES #2
Intermountain		 D4 Lorri McElroy
(3.54) 		Karen Crovetti
(3.25)
Tara Bananto
(3.50) 		W 6-3
6-4		 3.50 3.50
10/18/2021 Adult Other
4.0		 CLUB RIDGES #2
Intermountain		 D4 Rio Habbas
(3.15) 		Sally Zimmerman
(3.04)
Lauren Vermeys
(3.00) 		L 4-6
6-2
1-0		 3.08 3.33
09/20/2021 Adult Other
4.0		 CLUB RIDGES #2
Intermountain		 D3 Debora Dean
(3.62) 		Aly Wagonseller
(3.72)
Nora Taylor
(3.70) 		L 7-6
6-1		 3.41 3.42
09/13/2021 Adult Other
4.0		 CLUB RIDGES #2
Intermountain		 D2 Rio Habbas
(3.21) 		Kati Bainbridge
(3.35)
Christina Drees
(3.12) 		L 6-4
6-4		 3.25 3.38
05/10/2021 Adult Other
4.0		 DTC #1
Intermountain		 D2 Kelley Bailey
(3.35) 		Kendra Corrigan
(3.60)
Emily Schultz
(3.48) 		L 7-5
6-3		 3.46 3.43
05/06/2021 Adult 55+
8.0		 SPANISH TRAIL
Intermountain		 D3 Cathleen Kozmary
(3.63) 		Catherine Breyer
(3.37)
Kathy Kelbel
(3.72) 		W 6-3
6-4		 3.58 3.45
05/03/2021 Adult Other
4.0		 DTC #1
Intermountain		 D1 Kathleen Maurer
(3.35) 		Tess Adaoag
(3.78)
Toni Jackson
(3.50) 		L 6-3
6-2		 3.43 3.40
03/11/2021 Adult 55+
8.0		 SPANISH TRAIL
Intermountain		 D1 Cathleen Kozmary
(3.70) 		Lena Grotz
(3.64)
Laurie Sabol
(3.73) 		W 6-2
2-6
1-0		 3.57 3.42
03/01/2021 Adult Other
4.0		 DTC #1
Intermountain		 D3 Cheryl Schwartz
(3.44) 		Cindy Wertzler
(3.76)
Catherine Breyer
(3.49) 		L 6-4
7-5		 3.49 3.39
02/22/2021 Adult Other
4.0		 DTC #1
Intermountain		 D3 Kelley Bailey
(3.33) 		Claudia Sleet
(3.89)
Sophy Feng
(3.42) 		L 6-2
6-1		 3.33 3.37
02/08/2021 Adult Other
4.0		 DTC #1
Intermountain		 D3 Kelley Bailey
(3.34) 		Esther Tan
(3.61)
Kathy Adamson
(3.74) 		L 6-0
6-1		 3.25 3.36
02/01/2021 Adult Other
4.0		 DTC #1
Intermountain		 D1 Kelley Bailey
(3.39) 		Candra Milohnic
(3.75)
Elizabeth Ryan
(3.19) 		L 6-3
6-1		 3.20 3.36
12/13/2021 D4 Adult Other
4.0
CLUB RIDGES #2
Intermountain		 W SOUTHERN HIGHLANDS
Intermountain
Debora Dean (3.64) 6-3
6-1		 Tina Back (3.60)
Helen Johnson (3.01)
Match: 3.53 Rating: 3.51
11/29/2021 D4 Adult Other
4.0
CLUB RIDGES #2
Intermountain		 W DTC #2
Intermountain
Diane Sanders (3.51) 6-3
6-3		 Nilda Chang (3.23)
Karen Miller (3.50)
Match: 3.56 Rating: 3.51
11/15/2021 D4 Adult Other
4.0
CLUB RIDGES #2
Intermountain		 W DRAGONRIDGE CC #2
Intermountain
Lorri McElroy (3.54) 6-3
6-4		 Karen Crovetti (3.25)
Tara Bananto (3.50)
Match: 3.50 Rating: 3.50
10/18/2021 D4 Adult Other
4.0
CLUB RIDGES #2
Intermountain		 L LIFE TIME FITNESS/GV #2
Intermountain
Rio Habbas (3.15) 4-6
6-2
1-0		 Sally Zimmerman (3.04)
Lauren Vermeys (3.00)
Match: 3.08 Rating: 3.33
09/20/2021 D3 Adult Other
4.0
CLUB RIDGES #2
Intermountain		 L ANTHEM CC
Intermountain
Debora Dean (3.62) 7-6
6-1		 Aly Wagonseller (3.72)
Nora Taylor (3.70)
Match: 3.41 Rating: 3.42
09/13/2021 D2 Adult Other
4.0
CLUB RIDGES #2
Intermountain		 L DESERT PALM #2
Intermountain
Rio Habbas (3.21) 6-4
6-4		 Kati Bainbridge (3.35)
Christina Drees (3.12)
Match: 3.25 Rating: 3.38
05/10/2021 D2 Adult Other
4.0
DTC #1
Intermountain		 L DRAGONRIDGE CC #2
Intermountain
Kelley Bailey (3.35) 7-5
6-3		 Kendra Corrigan (3.60)
Emily Schultz (3.48)
Match: 3.46 Rating: 3.43
05/06/2021 D3 Adult 55+
8.0
SPANISH TRAIL
Intermountain		 W ANTHEM CC
Intermountain
Cathleen Kozmary (3.63) 6-3
6-4		 Catherine Breyer (3.37)
Kathy Kelbel (3.72)
Match: 3.58 Rating: 3.45
05/03/2021 D1 Adult Other
4.0
DTC #1
Intermountain		 L DESERT PALM
Intermountain
Kathleen Maurer (3.35) 6-3
6-2		 Tess Adaoag (3.78)
Toni Jackson (3.50)
Match: 3.43 Rating: 3.40
03/11/2021 D1 Adult 55+
8.0
SPANISH TRAIL
Intermountain		 W DTC
Intermountain
Cathleen Kozmary (3.70) 6-2
2-6
1-0		 Lena Grotz (3.64)
Laurie Sabol (3.73)
Match: 3.57 Rating: 3.42
03/01/2021 D3 Adult Other
4.0
DTC #1
Intermountain		 L ANTHEM CC
Intermountain
Cheryl Schwartz (3.44) 6-4
7-5		 Cindy Wertzler (3.76)
Catherine Breyer (3.49)
Match: 3.49 Rating: 3.39
02/22/2021 D3 Adult Other
4.0
DTC #1
Intermountain		 L SOUTHERN HIGHLANDS
Intermountain
Kelley Bailey (3.33) 6-2
6-1		 Claudia Sleet (3.89)
Sophy Feng (3.42)
Match: 3.33 Rating: 3.37
02/08/2021 D3 Adult Other
4.0
DTC #1
Intermountain		 L LIFE TIME FITNESS/GV #1
Intermountain
Kelley Bailey (3.34) 6-0
6-1		 Esther Tan (3.61)
Kathy Adamson (3.74)
Match: 3.25 Rating: 3.36
02/01/2021 D1 Adult Other
4.0
DTC #1
Intermountain		 L DTC #2
Intermountain
Kelley Bailey (3.39) 6-3
6-1		 Candra Milohnic (3.75)
Elizabeth Ryan (3.19)
Match: 3.20 Rating: 3.36
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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