Statistical Analysis and Estimated Tennis Ratings to the 10,000th of a Point
Match History (2021) View Advanced Player Stats
Tammy Choy (Los Altos, CA)
Female 		4.0 C
12/31/2024
Estimated Dynamic Rating 3.8726
1/1/2000
Projected Year End Rating ------
----------
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 18+ 4.0 4 2 2 0 50.0 8 4 4 50.0 82 40 42 48.8 0
Adult 18+ 4.5 3 1 2 0 33.3 7 2 5 28.6 54 22 32 40.7 0
Adult 40+ 4.0 8 4 4 0 50.0 18 8 10 44.4 157 78 79 49.7 0
Combo 7.5 4 2 2 0 50.0 10 4 6 40.0 71 26 45 36.6 0
Combo 8.5 3 0 3 0 0.0 7 1 6 14.3 56 22 34 39.3 0
Mixed 18+ 8.0 3 1 2 0 33.3 7 2 5 28.6 60 26 34 43.3 0
Total 25 10 15 0 40.0 57 21 36 36.8 480 214 266 44.6 0
Match Date League Team Court Partner Opponent(s) W/L Result Match Rating
11/06/2021 Combo
8.5		 SUNNYVALE TC/SUNNYVALE MTC CW8.5B
No California		 D1 Jiana Huang
(-----) 		Carol Wang
(4.17)
Lina Li
(3.89) 		L 2-6
6-3
1-0		 S -----
10/31/2021 Combo
8.5		 SUNNYVALE TC/SUNNYVALE MTC CW8.5B
No California		 D2 Mami Ito
(4.06) 		Christine Wang
(3.66)
Carol Wang
(4.17) 		L 6-1
7-5		 3.56 -----
10/25/2021 Combo
7.5		 CUPERTINO TC/CUPERTINO SC CW7.5A
No California		 D2 Holly Yip
(3.03) 		Nancy Murray
(3.70)
Cathleen Ligman
(3.33) 		W 7-6
3-6
1-0		 3.86 -----
10/13/2021 Combo
7.5		 CUPERTINO TC/CUPERTINO SC CW7.5A
No California		 D2 Cindy Jiang
(2.84) 		Terri Champ
(3.51)
Sharon Young
(3.30) 		W 3-6
6-3
1-0		 3.90 -----
10/13/2021 Combo
8.5		 SUNNYVALE TC/SUNNYVALE MTC CW8.5B
No California		 D1 Pragathi Shankar
(-----) 		Jeannine Roberts
(4.06)
Ella Wu
(3.78) 		L 6-3
6-4		 S -----
10/07/2021 Combo
7.5		 CUPERTINO TC/CUPERTINO SC CW7.5A
No California		 D1 June Yang
(3.22) 		Wanda Soon
(3.57)
Yuan Xu
(3.99) 		L 6-2
6-1		 3.72 -----
09/30/2021 Combo
7.5		 CUPERTINO TC/CUPERTINO SC CW7.5A
No California		 D1 Joanne Ren
(-----) 		Sabrina Ishimatsu
(3.79)
Rashmi Munot
(3.38) 		L 6-1
6-1		 S -----
08/24/2021 Adult 40+
4.0		 SUNNYVALE TC/SUNNYVALE MTC 40AW4.0B-DT
No California		 D2 Julie Colwell
(3.55) 		Kelly Uyema
(3.94)
Kristina Weaver
(3.78) 		L 6-1
6-4		 3.73 3.78
08/21/2021 Adult 40+
4.0		 CUPERTINO TC/CUPERTINO SC 40AW4.0A
No California		 D1 Carrie Yasukawa
(3.70) 		Jean Zhang
(3.71)
Yuan Xu
(3.93) 		L 6-3
6-4		 3.72 3.78
08/20/2021 Adult 40+
4.0		 SUNNYVALE TC/SUNNYVALE MTC 40AW4.0B-DT
No California		 D1 Ellen Gazen
(3.71) 		Sookok Oh
(3.87)
Yuan Xu
(3.91) 		L 6-2
7-5		 3.77 3.80
08/18/2021 Mixed 18+
8.0		 CUPERTINO TC/CUPERTINO SC 18MX8.0B
No California		 D2 Kumar Kandaswamy
(3.72) 		Mike Zhou
(3.72)
Jean Zhang
(3.77) 		L 6-1
6-4		 3.52 3.70
08/08/2021 Mixed 18+
8.0		 CUPERTINO TC/CUPERTINO SC 18MX8.0B
No California		 D3 Larry Lessler
(3.81) 		Jean Zhang
(3.68)
Shuchun Zhao
(3.73) 		L 6-3
7-6		 3.60 3.75
08/07/2021 Adult 40+
4.0		 CUPERTINO TC/CUPERTINO SC 40AW4.0A
No California		 D2 Lynda Zhang
(3.75) 		Wanda Soon
(3.61)
Emi Iizuka
(3.32) 		W 6-3
6-0		 3.83 3.82
08/06/2021 Adult 40+
4.0		 SUNNYVALE TC/SUNNYVALE MTC 40AW4.0B-DT
No California		 D1 Linda Cleveland
(3.61) 		Yuri Oda
(3.78)
Janet Oshiro
(3.65) 		L 7-5
6-3		 3.69 3.80
07/29/2021 Adult 40+
4.0		 CUPERTINO TC/CUPERTINO SC 40AW4.0A
No California		 D1 Tina Nguyen
(3.79) 		Janel Canepa
(3.50)
Karen Frederick
(3.52) 		W 6-2
7-5		 3.71 3.81
07/27/2021 Mixed 18+
8.0		 CUPERTINO TC/CUPERTINO SC 18MX8.0B
No California		 D1 Kumar Kandaswamy
(3.71) 		Stefanie Bray
(3.97)
Mark Slezak
(3.40) 		W 6-2
5-7
1-0		 3.80 3.79
07/24/2021 Adult 40+
4.0		 CUPERTINO TC/CUPERTINO SC 40AW4.0A
No California		 D1 Lynda Zhang
(3.82) 		Sophia Fujioka
(3.81)
Janet Oshiro
(3.65) 		W 6-3
6-7
1-0		 3.82 3.83
07/18/2021 Adult 18+
4.5		 CUPERTINO TC/CUPERTINO SC 18AW4.5A
No California		 D2 June Klein
(3.82) 		Kirsten Tasker
(4.26)
Hoa Demo
(4.07) 		L 6-1
6-3		 3.90 3.85
07/17/2021 Adult 18+
4.0		 CUPERTINO TC/CUPERTINO SC 18AW4.0A
No California		 D1 Tina Nguyen
(3.75) 		Silvana Gold
(3.88)
Heather Green
(3.73) 		W 6-4
6-3		 3.98 3.86
07/15/2021 Adult 40+
4.0		 SUNNYVALE TC/SUNNYVALE MTC 40AW4.0B-DT
No California		 D2 Ellen Gazen
(3.73) 		Denise Monack
(3.60)
Lynda Zhang
(3.79) 		W 6-7
6-2
1-0		 3.84 3.81
07/12/2021 Adult 18+
4.0		 CUPERTINO TC/CUPERTINO SC 18AW4.0A
No California		 D1 Kerri Luu
(3.79) 		Helen Lam
(3.84)
Nicole YEN
(4.01) 		L 7-5
6-0		 S 3.85
06/23/2021 Adult 18+
4.5		 CUPERTINO TC/CUPERTINO SC 18AW4.5A
No California		 D2 June Klein
(3.77) 		Pam Mayerfeld
(3.97)
Michele Madansky
(3.88) 		W 6-1
6-7
1-0		 4.06 3.85
06/19/2021 Adult 18+
4.5		 CUPERTINO TC/CUPERTINO SC 18AW4.5A
No California		 D3 June Klein
(3.74) 		Alicia Van Fleteren
(4.22)
Sumeeta Vasishta
(3.94) 		L 6-3
6-2		 3.85 3.79
06/17/2021 Adult 18+
4.0		 CUPERTINO TC/CUPERTINO SC 18AW4.0A
No California		 D1 Kerri Luu
(3.80) 		Christine Choye
(3.82)
Janet Oshiro
(3.71) 		L 7-5
7-6		 3.69 3.76
06/12/2021 Adult 18+
4.0		 CUPERTINO TC/CUPERTINO SC 18AW4.0A
No California		 D1 Tina Nguyen
(3.68) 		Julie Colwell
(3.60)
Mary Ow
(3.62) 		W 6-4
6-4		 3.75 3.78
11/06/2021 D1 Combo
8.5
SUNNYVALE TC/SUNNYVALE MTC CW8.5B
No California		 L SUNNYVALE MTC CW8.5C
No California
Jiana Huang (-----) 2-6
6-3
1-0		 Carol Wang (4.17)
Lina Li (3.89)
Match: S Rating: -----
10/31/2021 D2 Combo
8.5
SUNNYVALE TC/SUNNYVALE MTC CW8.5B
No California		 L SUNNYVALE MTC CW8.5C
No California
Mami Ito (4.06) 6-1
7-5		 Christine Wang (3.66)
Carol Wang (4.17)
Match: 3.56 Rating: -----
10/25/2021 D2 Combo
7.5
CUPERTINO TC/CUPERTINO SC CW7.5A
No California		 W BAY CLUB SANTA CLARA CW7.5A
No California
Holly Yip (3.03) 7-6
3-6
1-0		 Nancy Murray (3.70)
Cathleen Ligman (3.33)
Match: 3.86 Rating: -----
10/13/2021 D2 Combo
7.5
CUPERTINO TC/CUPERTINO SC CW7.5A
No California		 W LOS ALTOS GCC CW7.5A
No California
Cindy Jiang (2.84) 3-6
6-3
1-0		 Terri Champ (3.51)
Sharon Young (3.30)
Match: 3.90 Rating: -----
10/13/2021 D1 Combo
8.5
SUNNYVALE TC/SUNNYVALE MTC CW8.5B
No California		 L BAY CLUB SANTA CLARA CW8.5A
No California
Pragathi Shankar (-----) 6-3
6-4		 Jeannine Roberts (4.06)
Ella Wu (3.78)
Match: S Rating: -----
10/07/2021 D1 Combo
7.5
CUPERTINO TC/CUPERTINO SC CW7.5A
No California		 L SUNNYVALE TC/SUNNYVALE MTC CW7.5A
No California
June Yang (3.22) 6-2
6-1		 Wanda Soon (3.57)
Yuan Xu (3.99)
Match: 3.72 Rating: -----
09/30/2021 D1 Combo
7.5
CUPERTINO TC/CUPERTINO SC CW7.5A
No California		 L SUNNYVALE TC/SUNNYVALE MTC CW7.5B
No California
Joanne Ren (-----) 6-1
6-1		 Sabrina Ishimatsu (3.79)
Rashmi Munot (3.38)
Match: S Rating: -----
08/24/2021 D2 Adult 40+
4.0
SUNNYVALE TC/SUNNYVALE MTC 40AW4.0B-DT
No California		 L SUNNYVALE TC/SUNNYVALE MTC 40AW4.0A-DT
No California
Julie Colwell (3.55) 6-1
6-4		 Kelly Uyema (3.94)
Kristina Weaver (3.78)
Match: 3.73 Rating: 3.78
08/21/2021 D1 Adult 40+
4.0
CUPERTINO TC/CUPERTINO SC 40AW4.0A
No California		 L SUNNYVALE MTC 40AW4.0B
No California
Carrie Yasukawa (3.70) 6-3
6-4		 Jean Zhang (3.71)
Yuan Xu (3.93)
Match: 3.72 Rating: 3.78
08/20/2021 D1 Adult 40+
4.0
SUNNYVALE TC/SUNNYVALE MTC 40AW4.0B-DT
No California		 L SUNNYVALE TC/SUNNYVALE MTC 40AW4.0A-DT
No California
Ellen Gazen (3.71) 6-2
7-5		 Sookok Oh (3.87)
Yuan Xu (3.91)
Match: 3.77 Rating: 3.80
08/18/2021 D2 Mixed 18+
8.0
CUPERTINO TC/CUPERTINO SC 18MX8.0B
No California		 L SUNNYVALE MTC 18MX8.0A
No California
Kumar Kandaswamy (3.72) 6-1
6-4		 Mike Zhou (3.72)
Jean Zhang (3.77)
Match: 3.52 Rating: 3.70
08/08/2021 D3 Mixed 18+
8.0
CUPERTINO TC/CUPERTINO SC 18MX8.0B
No California		 L SUNNYVALE MTC 18MX8.0A
No California
Larry Lessler (3.81) 6-3
7-6		 Jean Zhang (3.68)
Shuchun Zhao (3.73)
Match: 3.60 Rating: 3.75
08/07/2021 D2 Adult 40+
4.0
CUPERTINO TC/CUPERTINO SC 40AW4.0A
No California		 W SUNNYVALE TC/SUNNYVALE MTC 40AW4.0E
No California
Lynda Zhang (3.75) 6-3
6-0		 Wanda Soon (3.61)
Emi Iizuka (3.32)
Match: 3.83 Rating: 3.82
08/06/2021 D1 Adult 40+
4.0
SUNNYVALE TC/SUNNYVALE MTC 40AW4.0B-DT
No California		 L SANTA CLARA TC/SANTA CLARA TENNIS 40AW4.0A-DT
No California
Linda Cleveland (3.61) 7-5
6-3		 Yuri Oda (3.78)
Janet Oshiro (3.65)
Match: 3.69 Rating: 3.80
07/29/2021 D1 Adult 40+
4.0
CUPERTINO TC/CUPERTINO SC 40AW4.0A
No California		 W SUNNYVALE TC/SUNNYVALE MTC 40AW4.0A
No California
Tina Nguyen (3.79) 6-2
7-5		 Janel Canepa (3.50)
Karen Frederick (3.52)
Match: 3.71 Rating: 3.81
07/27/2021 D1 Mixed 18+
8.0
CUPERTINO TC/CUPERTINO SC 18MX8.0B
No California		 W BROOKSIDE 18MX8.0A
No California
Kumar Kandaswamy (3.71) 6-2
5-7
1-0		 Stefanie Bray (3.97)
Mark Slezak (3.40)
Match: 3.80 Rating: 3.79
07/24/2021 D1 Adult 40+
4.0
CUPERTINO TC/CUPERTINO SC 40AW4.0A
No California		 W SUNNYVALE TC/SUNNYVALE MTC 40AW4.0C
No California
Lynda Zhang (3.82) 6-3
6-7
1-0		 Sophia Fujioka (3.81)
Janet Oshiro (3.65)
Match: 3.82 Rating: 3.83
07/18/2021 D2 Adult 18+
4.5
CUPERTINO TC/CUPERTINO SC 18AW4.5A
No California		 L SANTA CLARA TC/SANTA CLARA TENNIS C 18AW4.5A
No California
June Klein (3.82) 6-1
6-3		 Kirsten Tasker (4.26)
Hoa Demo (4.07)
Match: 3.90 Rating: 3.85
07/17/2021 D1 Adult 18+
4.0
CUPERTINO TC/CUPERTINO SC 18AW4.0A
No California		 W BAY CLUB SANTA CLARA 18AW4.0A
No California
Tina Nguyen (3.75) 6-4
6-3		 Silvana Gold (3.88)
Heather Green (3.73)
Match: 3.98 Rating: 3.86
07/15/2021 D2 Adult 40+
4.0
SUNNYVALE TC/SUNNYVALE MTC 40AW4.0B-DT
No California		 W SANTA CLARA TC/SANTA CLARA TENNIS 40AW4.0A-DT
No California
Ellen Gazen (3.73) 6-7
6-2
1-0		 Denise Monack (3.60)
Lynda Zhang (3.79)
Match: 3.84 Rating: 3.81
07/12/2021 D1 Adult 18+
4.0
CUPERTINO TC/CUPERTINO SC 18AW4.0A
No California		 L SUNNYVALE TC/SUNNYVALE MTC 18AW4.0B
No California
Kerri Luu (3.79) 7-5
6-0		 Helen Lam (3.84)
Nicole YEN (4.01)
Match: S Rating: 3.85
06/23/2021 D2 Adult 18+
4.5
CUPERTINO TC/CUPERTINO SC 18AW4.5A
No California		 W SANTA CLARA TC/SANTA CLARA TENNIS C 18AW4.5A
No California
June Klein (3.77) 6-1
6-7
1-0		 Pam Mayerfeld (3.97)
Michele Madansky (3.88)
Match: 4.06 Rating: 3.85
06/19/2021 D3 Adult 18+
4.5
CUPERTINO TC/CUPERTINO SC 18AW4.5A
No California		 L SUNNYVALE MTC 18AW4.5B
No California
June Klein (3.74) 6-3
6-2		 Alicia Van Fleteren (4.22)
Sumeeta Vasishta (3.94)
Match: 3.85 Rating: 3.79
06/17/2021 D1 Adult 18+
4.0
CUPERTINO TC/CUPERTINO SC 18AW4.0A
No California		 L SUNNYVALE TC/SUNNYVALE MTC 18AW4.0C
No California
Kerri Luu (3.80) 7-5
7-6		 Christine Choye (3.82)
Janet Oshiro (3.71)
Match: 3.69 Rating: 3.76
06/12/2021 D1 Adult 18+
4.0
CUPERTINO TC/CUPERTINO SC 18AW4.0A
No California		 W SUNNYVALE TC/SUNNYVALE MTC 18AW4.0B
No California
Tina Nguyen (3.68) 6-4
6-4		 Julie Colwell (3.60)
Mary Ow (3.62)
Match: 3.75 Rating: 3.78
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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