Statistical Analysis and Estimated Tennis Ratings to the 10,000th of a Point
Match History (Recent) View Advanced Player Stats
Kiz Costin (Aubrey, TX)
Female 		3.5 C
12/31/2024
Estimated Dynamic Rating 3.3947
4/30/2025
Projected Year End Rating ------
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3.5 Rating Meter
Rating Meter
3.0001 - 3.5000
Recent Match History Current Rating History
Recent History
League/Level Total
Matches		 Win Loss Tie WPct Total
Sets		 Win Loss WPct Total
Games		 Win Loss WPct Defaults
Adult 18+ 3.5 7 6 1 0 85.7 16 12 4 75.0 131 73 58 55.7 0
Adult 18+ 4.0 4 1 3 0 25.0 8 2 6 25.0 62 22 40 35.5 0
Adult 40+ 3.5 3 3 0 0 100.0 7 6 1 85.7 63 36 27 57.1 0
Adult 55+ 7.0 8 7 1 0 87.5 19 15 4 78.9 152 94 58 61.8 0
Adult Other 0.0 2 0 2 0 0.0 5 1 4 20.0 35 14 21 40.0 0
Total 24 17 7 0 70.8 55 36 19 65.5 443 239 204 54.0 0
Match Date League Team Court Partner Opponent(s) W/L Result Match Rating
04/18/2025 Adult 18+
4.0		 HV TONTI
Texas		 D1 Hailey Costin
(3.86) 		Lori Mcwhorter
(3.94)
Aya Singleton
(3.82) 		L 6-3
6-2		 3.39 3.39
04/14/2025 Adult 18+
4.0		 HV TONTI
Texas		 D2 Tonya Balusek
(3.61) 		Rachel Gralapp
(3.62)
Ashley McClure
(3.60) 		L 6-1
6-1		 3.10 3.35
03/21/2025 Adult 18+
3.5		 WAG RAMEY
Texas		 D2 Elizabeth Haas
(3.22) 		Gayle Howington
(2.92)
Kim Simpson
(2.93) 		W 7-5
7-5		 3.15 3.36
03/14/2025 Adult 18+
4.0		 HV TONTI
Texas		 D2 Karen Tonti
(3.61) 		Teresa Robinson
(3.57)
Jennifer McNamara
(3.78) 		W 6-1
6-3		 3.84 3.48
03/07/2025 Adult 18+
4.0		 HV TONTI
Texas		 D3 April Schultz
(3.41) 		Kim Keiper
(3.72)
Lynne Maddox
(3.81) 		L 6-0
6-3		 3.38 3.37
03/02/2025 Adult 55+
7.0
League		 WAG ZAVASKY
Texas		 D3 Debbie Greenwood
(3.44) 		Kim Cleary
(3.12)
Lori Ringo
(3.20) 		W 6-3
4-6
1-0		 3.20 3.34
03/01/2025 Adult 55+
7.0
League		 WAG ZAVASKY
Texas		 D3 Debbie Greenwood
(3.40) 		Renee Yackira
(3.35)
Gina Weltner
(3.53) 		W 6-1
5-7
1-0		 3.51 3.40
02/28/2025 Adult 18+
3.5		 WAG RAMEY
Texas		 D1 Leslie Talbot
(3.39) 		Beth Quinn
(3.43)
Jenna Fossum
(3.45) 		L 6-2
6-2		 3.13 3.34
02/24/2025 Adult 40+
3.5		 WAG RAMEY
Texas		 D1 Leslie Talbot
(3.47) 		Carrie Kulak
(3.10)
rachel ricketts
(3.19) 		W 6-4
3-6
1-0		 3.12 3.35
02/07/2025 Adult 55+
7.0		 WAG ZAVASKY
Texas		 D1 Debbie Greenwood
(3.39) 		Monique ROBINSON
(3.21)
Diane Alfino
(3.30) 		W 7-5
6-1		 3.47 3.41
02/05/2025 Adult 55+
7.0		 WAG ZAVASKY
Texas		 D3 Judy Zavasky
(3.29) 		Stephanie Ertz
(3.24)
Lisa Ingram
(2.79) 		W 6-2
7-6		 3.19 3.38
01/31/2025 Adult 55+
7.0		 WAG ZAVASKY
Texas		 D1 April Schultz
(3.31) 		Kathryn King
(3.20)
Mary Beth Bourgeois
(3.26) 		L 6-3
2-6
1-0		 3.28 3.39
01/16/2025 Adult 40+
3.5		 WAG RAMEY
Texas		 D2 Jackie Parades
(3.20) 		Dawn Vandeberg
(3.19)
Anne Zvonecek
(3.07) 		W 7-5
6-4		 3.34 3.41
01/03/2025 Adult 55+
7.0		 WAG ZAVASKY
Texas		 D1 Debbie Greenwood
(3.40) 		Jeanette Johnson
(3.35)
Monica Lewis
(3.35) 		W 6-3
6-4		 3.50 3.43
12/20/2024 Adult 55+
7.0		 WAG ZAVASKY
Texas		 D1 Debbie Greenwood
(3.42) 		Jennifer Lucas
(3.36)
Sandra Owens
(3.22) 		W 6-4
6-4		 3.40 3.40
12/13/2024 Adult 55+
7.0		 WAG ZAVASKY
Texas		 D1 Debbie Greenwood
(3.36) 		Marilyn Murr
(3.42)
Rachel Knapp
(3.13) 		W 6-1
6-2		 3.63 3.44
12/12/2024 Adult 40+
3.5		 WAG RAMEY
Texas		 D2 Elizabeth Haas
(3.23) 		Briana Hipps
(3.41)
Audrey Baker
(3.40) 		W 7-6
6-2		 3.60 3.40
12/06/2024 Adult 18+
3.5
League		 WAG SCHULTZ/RAMEY
Texas		 D2 Deena Anderson
(3.46) 		Katarina Jacquemard
(3.38)
Ulrike Laux
(3.33) 		W 7-6
2-6
1-0		 3.26 3.34
10/18/2024 Adult 18+
3.5		 WAG SCHULTZ/RAMEY
Texas		 D2 Carolyn Rini
(3.66) 		Kelcee Webb
(3.17)
Mary Lipscomb
(3.09) 		W 6-3
6-4		 3.16 3.36
10/04/2024 Adult 18+
3.5		 WAG SCHULTZ/RAMEY
Texas		 D2 Deena Anderson
(3.47) 		Melanie Bartlett
(3.26)
Kimberly Knox
(3.36) 		W 6-1
6-4		 3.52 3.41
09/27/2024 Adult 18+
3.5		 WAG SCHULTZ/RAMEY
Texas		 D1 Deena Anderson
(3.41) 		Linda Paul
(3.33)
Meri Perryman
(3.03) 		W 6-0
6-2		 3.53 3.41
09/20/2024 Adult 18+
3.5		 WAG SCHULTZ/RAMEY
Texas		 D1 Deena Anderson
(3.44) 		Anita Owen-Myers
(3.26)
Vanessa Ramos
(3.16) 		W 2-6
6-4
1-0		 3.15 3.35
06/28/2024 Adult Other WAG BALUSEK
Texas		 D2 Mandy Rhodes
(3.34) 		Christina Cung
(3.98)
Brooke Worsham
(3.65) 		L 6-4
6-2		 3.59 -----
06/07/2024 Adult Other WAG BALUSEK
Texas		 D2 Cary Crawford
(3.48) 		christina karmis
(3.48)
Kim Castro
(3.52) 		L 6-2
2-6
1-0		 3.41 -----
04/18/2025 D1 Adult 18+
4.0
HV TONTI
Texas		 L RTC ALBUS
Texas
Hailey Costin (3.86) 6-3
6-2		 Lori Mcwhorter (3.94)
Aya Singleton (3.82)
Match: 3.39 Rating: 3.39
04/14/2025 D2 Adult 18+
4.0
HV TONTI
Texas		 L CCC GRALAPP
Texas
Tonya Balusek (3.61) 6-1
6-1		 Rachel Gralapp (3.62)
Ashley McClure (3.60)
Match: 3.10 Rating: 3.35
03/21/2025 D2 Adult 18+
3.5
WAG RAMEY
Texas		 W ATC GREEN
Texas
Elizabeth Haas (3.22) 7-5
7-5		 Gayle Howington (2.92)
Kim Simpson (2.93)
Match: 3.15 Rating: 3.36
03/14/2025 D2 Adult 18+
4.0
HV TONTI
Texas		 W TCU HUBER
Texas
Karen Tonti (3.61) 6-1
6-3		 Teresa Robinson (3.57)
Jennifer McNamara (3.78)
Match: 3.84 Rating: 3.48
03/07/2025 D3 Adult 18+
4.0
HV TONTI
Texas		 L RC KEIPER
Texas
April Schultz (3.41) 6-0
6-3		 Kim Keiper (3.72)
Lynne Maddox (3.81)
Match: 3.38 Rating: 3.37
03/02/2025 D3 Adult 55+
7.0
League
WAG ZAVASKY
Texas		 W ATC MERCER/BRUEGGEMEYER
Texas
Debbie Greenwood (3.44) 6-3
4-6
1-0		 Kim Cleary (3.12)
Lori Ringo (3.20)
Match: 3.20 Rating: 3.34
03/01/2025 D3 Adult 55+
7.0
League
WAG ZAVASKY
Texas		 W BIR HOLT
Texas
Debbie Greenwood (3.40) 6-1
5-7
1-0		 Renee Yackira (3.35)
Gina Weltner (3.53)
Match: 3.51 Rating: 3.40
02/28/2025 D1 Adult 18+
3.5
WAG RAMEY
Texas		 L TRO MORRILL
Texas
Leslie Talbot (3.39) 6-2
6-2		 Beth Quinn (3.43)
Jenna Fossum (3.45)
Match: 3.13 Rating: 3.34
02/24/2025 D1 Adult 40+
3.5
WAG RAMEY
Texas		 W STC KULAK
Texas
Leslie Talbot (3.47) 6-4
3-6
1-0		 Carrie Kulak (3.10)
rachel ricketts (3.19)
Match: 3.12 Rating: 3.35
02/07/2025 D1 Adult 55+
7.0
WAG ZAVASKY
Texas		 W ATC GREEN
Texas
Debbie Greenwood (3.39) 7-5
6-1		 Monique ROBINSON (3.21)
Diane Alfino (3.30)
Match: 3.47 Rating: 3.41
02/05/2025 D3 Adult 55+
7.0
WAG ZAVASKY
Texas		 W STC LEBLANC
Texas
Judy Zavasky (3.29) 6-2
7-6		 Stephanie Ertz (3.24)
Lisa Ingram (2.79)
Match: 3.19 Rating: 3.38
01/31/2025 D1 Adult 55+
7.0
WAG ZAVASKY
Texas		 L RC MOORE
Texas
April Schultz (3.31) 6-3
2-6
1-0		 Kathryn King (3.20)
Mary Beth Bourgeois (3.26)
Match: 3.28 Rating: 3.39
01/16/2025 D2 Adult 40+
3.5
WAG RAMEY
Texas		 W STC JOLLY
Texas
Jackie Parades (3.20) 7-5
6-4		 Dawn Vandeberg (3.19)
Anne Zvonecek (3.07)
Match: 3.34 Rating: 3.41
01/03/2025 D1 Adult 55+
7.0
WAG ZAVASKY
Texas		 W SOAKS SCHMIDT
Texas
Debbie Greenwood (3.40) 6-3
6-4		 Jeanette Johnson (3.35)
Monica Lewis (3.35)
Match: 3.50 Rating: 3.43
12/20/2024 D1 Adult 55+
7.0
WAG ZAVASKY
Texas		 W RR BASS
Texas
Debbie Greenwood (3.42) 6-4
6-4		 Jennifer Lucas (3.36)
Sandra Owens (3.22)
Match: 3.40 Rating: 3.40
12/13/2024 D1 Adult 55+
7.0
WAG ZAVASKY
Texas		 W RTC ORSER/KNAPP
Texas
Debbie Greenwood (3.36) 6-1
6-2		 Marilyn Murr (3.42)
Rachel Knapp (3.13)
Match: 3.63 Rating: 3.44
12/12/2024 D2 Adult 40+
3.5
WAG RAMEY
Texas		 W CCP ASAAD
Texas
Elizabeth Haas (3.23) 7-6
6-2		 Briana Hipps (3.41)
Audrey Baker (3.40)
Match: 3.60 Rating: 3.40
12/06/2024 D2 Adult 18+
3.5
League
WAG SCHULTZ/RAMEY
Texas		 W CCP ASAAD
Texas
Deena Anderson (3.46) 7-6
2-6
1-0		 Katarina Jacquemard (3.38)
Ulrike Laux (3.33)
Match: 3.26 Rating: 3.34
10/18/2024 D2 Adult 18+
3.5
WAG SCHULTZ/RAMEY
Texas		 W RC RUCKER/BOURGEOIS
Texas
Carolyn Rini (3.66) 6-3
6-4		 Kelcee Webb (3.17)
Mary Lipscomb (3.09)
Match: 3.16 Rating: 3.36
10/04/2024 D2 Adult 18+
3.5
WAG SCHULTZ/RAMEY
Texas		 W BIR BARTLETT
Texas
Deena Anderson (3.47) 6-1
6-4		 Melanie Bartlett (3.26)
Kimberly Knox (3.36)
Match: 3.52 Rating: 3.41
09/27/2024 D1 Adult 18+
3.5
WAG SCHULTZ/RAMEY
Texas		 W CCC VIETTI
Texas
Deena Anderson (3.41) 6-0
6-2		 Linda Paul (3.33)
Meri Perryman (3.03)
Match: 3.53 Rating: 3.41
09/20/2024 D1 Adult 18+
3.5
WAG SCHULTZ/RAMEY
Texas		 W STC ZAVASKY
Texas
Deena Anderson (3.44) 2-6
6-4
1-0		 Anita Owen-Myers (3.26)
Vanessa Ramos (3.16)
Match: 3.15 Rating: 3.35
06/28/2024 D2 Adult Other
WAG BALUSEK
Texas		 L RID HARBUCK
Texas
Mandy Rhodes (3.34) 6-4
6-2		 Christina Cung (3.98)
Brooke Worsham (3.65)
Match: 3.59 Rating: -----
06/07/2024 D2 Adult Other
WAG BALUSEK
Texas		 L CCP NORTHCUTT
Texas
Cary Crawford (3.48) 6-2
2-6
1-0		 christina karmis (3.48)
Kim Castro (3.52)
Match: 3.41 Rating: -----
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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