Statistical Analysis and Estimated Tennis Ratings to the 10,000th of a Point
Match History (2020) View Advanced Player Stats
Sandy Kowallis (Boise, ID)
Female 		4.0 C
12/31/2024
Estimated Dynamic Rating 3.6820
12/10/2024
Projected Year End Rating ------
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4.0 Rating Meter
Rating Meter
3.5001 - 4.0000
Recent Match History Current Rating History
2020 Overall Season [Doubles]
League/Level Total
Matches		 Win Loss Tie WPct Total
Sets		 Win Loss WPct Total
Games		 Win Loss WPct Defaults
Adult 18+ 4.0 4 3 1 0 75.0 8 6 2 75.0 74 43 31 58.1 0
Adult 40+ 4.0 6 5 1 0 83.3 13 10 3 76.9 105 66 39 62.9 0
Adult 55+ 8.0 4 4 0 0 100.0 10 8 2 80.0 78 46 32 59.0 0
Total 14 12 2 0 85.7 31 24 7 77.4 257 155 102 60.3 0
Match Date League Team Court Partner Opponent(s) W/L Result Match Rating
09/10/2020 Adult 55+
8.0		 Tennis Wise
Intermountain		 D3 Trang Pham
(3.48) 		Ladawan Johnson
(3.51)
Cindy Biedebach
(3.35) 		W 3-6
6-4
1-0		 3.52 3.59
09/09/2020 Adult 18+
4.0		 Sells
Intermountain		 D2 Maya Fix
(3.64) 		Paula Lawson
(3.71)
Jan Powell
(3.54) 		W 6-3
6-3		 3.81 3.65
09/08/2020 Adult 55+
8.0		 Tennis Wise
Intermountain		 D1 Trang Pham
(3.45) 		Cassie Swanson
(3.22)
Margot Gilna
(3.60) 		W 6-2
6-4		 3.66 3.62
08/31/2020 Adult 18+
4.0		 Sells
Intermountain		 D1 Katey Hakes
(3.82) 		Karri Jones
(3.63)
Judy Murdock
(3.78) 		L 6-4
6-2		 3.41 3.57
08/26/2020 Adult 18+
4.0		 Sells
Intermountain		 D2 Maya Fix
(3.70) 		Adair Holden
(3.30)
Stephanie Swaggerty
(3.34) 		W 6-1
7-6		 3.46 3.61
08/25/2020 Adult 55+
8.0		 Tennis Wise
Intermountain		 D2 Sandra Sells
(3.62) 		Beth Lassen
(3.50)
Lisa Vargason
(3.65) 		W 7-6
4-6
1-0		 3.58 3.64
08/18/2020 Adult 55+
8.0		 Tennis Wise
Intermountain		 D2 Nancy Baskin
(3.58) 		Mary Adcox
(3.29)
Julie Eisele
(3.08) 		W 6-4
6-0		 3.57 3.62
08/17/2020 Adult 18+
4.0		 Sells
Intermountain		 D2 Maya Fix
(3.66) 		Amy Steckel
(3.62)
Jill Belau
(3.66) 		W 6-3
6-3		 3.83 3.68
08/13/2020 Adult 40+
4.0		 Shot Sisters
Intermountain		 D1 Maya Fix
(3.63) 		Mardianne Howell
(3.38)
Patty O'Neill
(3.40) 		W 6-0
6-2		 3.75 3.66
08/06/2020 Adult 40+
4.0		 Shot Sisters
Intermountain		 D2 Holly Johnson
(3.47) 		Jennifer Lai
(3.52)
Heidi Stipp
(3.25) 		L 6-3
6-4		 3.34 3.58
08/04/2020 Adult 40+
4.0		 Shot Sisters
Intermountain		 D3 Katey Hakes
(3.73) 		Mary Adcox
(3.20)
Christine Elwer
(3.26) 		W 6-1
6-1		 3.64 3.67
07/24/2020 Adult 40+
4.0		 Shot Sisters
Intermountain		 D1 Nancy Baskin
(3.57) 		Becky Gordon
(3.03)
Kimberly Shansby
(3.28) 		W 6-3
6-2		 3.50 3.64
07/16/2020 Adult 40+
4.0		 Shot Sisters
Intermountain		 D2 Holly Johnson
(3.53) 		Glory Questad
(3.25)
Molly Schafer
(3.46) 		W 7-6
6-4		 3.52 3.67
07/14/2020 Adult 40+
4.0		 Shot Sisters
Intermountain		 D3 Marilyn Parker
(3.52) 		Kelli Fredback
(3.66)
Barbara Miller
(3.52) 		W 6-2
3-6
1-0		 3.75 3.72
09/10/2020 D3 Adult 55+
8.0
Tennis Wise
Intermountain		 W Supreme Courts
Intermountain
Trang Pham (3.48) 3-6
6-4
1-0		 Ladawan Johnson (3.51)
Cindy Biedebach (3.35)
Match: 3.52 Rating: 3.59
09/09/2020 D2 Adult 18+
4.0
Sells
Intermountain		 W NACHOS
Intermountain
Maya Fix (3.64) 6-3
6-3		 Paula Lawson (3.71)
Jan Powell (3.54)
Match: 3.81 Rating: 3.65
09/08/2020 D1 Adult 55+
8.0
Tennis Wise
Intermountain		 W No Drama Mamas
Intermountain
Trang Pham (3.45) 6-2
6-4		 Cassie Swanson (3.22)
Margot Gilna (3.60)
Match: 3.66 Rating: 3.62
08/31/2020 D1 Adult 18+
4.0
Sells
Intermountain		 L Lunatic Fringe
Intermountain
Katey Hakes (3.82) 6-4
6-2		 Karri Jones (3.63)
Judy Murdock (3.78)
Match: 3.41 Rating: 3.57
08/26/2020 D2 Adult 18+
4.0
Sells
Intermountain		 W Tennisity 18
Intermountain
Maya Fix (3.70) 6-1
7-6		 Adair Holden (3.30)
Stephanie Swaggerty (3.34)
Match: 3.46 Rating: 3.61
08/25/2020 D2 Adult 55+
8.0
Tennis Wise
Intermountain		 W Hoffmann
Intermountain
Sandra Sells (3.62) 7-6
4-6
1-0		 Beth Lassen (3.50)
Lisa Vargason (3.65)
Match: 3.58 Rating: 3.64
08/18/2020 D2 Adult 55+
8.0
Tennis Wise
Intermountain		 W Smash Sisters
Intermountain
Nancy Baskin (3.58) 6-4
6-0		 Mary Adcox (3.29)
Julie Eisele (3.08)
Match: 3.57 Rating: 3.62
08/17/2020 D2 Adult 18+
4.0
Sells
Intermountain		 W Shake It Off
Intermountain
Maya Fix (3.66) 6-3
6-3		 Amy Steckel (3.62)
Jill Belau (3.66)
Match: 3.83 Rating: 3.68
08/13/2020 D1 Adult 40+
4.0
Shot Sisters
Intermountain		 W Over Served
Intermountain
Maya Fix (3.63) 6-0
6-2		 Mardianne Howell (3.38)
Patty O'Neill (3.40)
Match: 3.75 Rating: 3.66
08/06/2020 D2 Adult 40+
4.0
Shot Sisters
Intermountain		 L TENNIS GIRLZ
Intermountain
Holly Johnson (3.47) 6-3
6-4		 Jennifer Lai (3.52)
Heidi Stipp (3.25)
Match: 3.34 Rating: 3.58
08/04/2020 D3 Adult 40+
4.0
Shot Sisters
Intermountain		 W ETC Chix
Intermountain
Katey Hakes (3.73) 6-1
6-1		 Mary Adcox (3.20)
Christine Elwer (3.26)
Match: 3.64 Rating: 3.67
07/24/2020 D1 Adult 40+
4.0
Shot Sisters
Intermountain		 W Casual Sets
Intermountain
Nancy Baskin (3.57) 6-3
6-2		 Becky Gordon (3.03)
Kimberly Shansby (3.28)
Match: 3.50 Rating: 3.64
07/16/2020 D2 Adult 40+
4.0
Shot Sisters
Intermountain		 W Sharks
Intermountain
Holly Johnson (3.53) 7-6
6-4		 Glory Questad (3.25)
Molly Schafer (3.46)
Match: 3.52 Rating: 3.67
07/14/2020 D3 Adult 40+
4.0
Shot Sisters
Intermountain		 W Sets Appeal
Intermountain
Marilyn Parker (3.52) 6-2
3-6
1-0		 Kelli Fredback (3.66)
Barbara Miller (3.52)
Match: 3.75 Rating: 3.72
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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