Statistical Analysis and Estimated Tennis Ratings to the 10,000th of a Point
Match History (2019) View Advanced Player Stats
Sonja Kafer (Owensboro, KY)
Female 		4.0 C
12/31/2023
Estimated Dynamic Rating 3.6725
6/21/2024
Projected Year End Rating ------
----------
4.0 Rating Meter
Rating Meter
3.5001 - 4.0000
Recent Match History Current Rating History
2019 Overall Season
League/Level Total
Matches		 Win Loss Tie WPct Total
Sets		 Win Loss WPct Total
Games		 Win Loss WPct Defaults
Adult 40+ 4.0 3 0 3 0 0.0 6 0 6 0.0 66 27 39 40.9 0
Adult 55+ 4.0 12 11 1 0 91.7 26 22 4 84.6 216 136 80 63.0 1
Adult Other 4.0 4 3 1 0 75.0 8 6 2 75.0 74 43 31 58.1 0
Total 19 14 5 0 73.7 40 28 12 70.0 356 206 150 57.9 1
Match Date League Team Court Partner Opponent(s) W/L Result Match Rating
09/15/2019 Adult 55+
4.0
Sectionals		 KY/OWB/WALTHER
Southern		 D2 Kathy Blackford
(3.73) 		Glenda Jordan
(3.76)
Lea Pustejovsky
(3.77) 		W 6-4
3-6
1-0		 3.82 3.83
09/14/2019 Adult 55+
4.0
Sectionals		 KY/OWB/WALTHER
Southern		 D2 Brenda Clayton
(3.69) 		Julie Sanders
(3.58)
Cindy Pugh
(3.60) 		W 6-3
6-2		 3.88 3.85
09/13/2019 Adult 55+
4.0
Sectionals		 KY/OWB/WALTHER
Southern		 D1 Brenda Clayton
(3.76) 		Susan Atkinson
(3.74)
Reiko Kretz
(3.87) 		L 6-2
6-1		 3.52 3.78
06/08/2019 Adult 40+
4.0		 Ky/Owb/Appleby
Southern		 D3 Rebecca Eggers
(3.37) 		Anna Greene
(3.63)
Janie Walther
(3.74) 		L 7-5
6-4		 3.84 3.87
06/06/2019 Adult 40+
4.0		 Ky/Owb/Appleby
Southern		 D3 Rebecca Eggers
(3.41) 		Sarah Bivins
(3.34)
Anna Greene
(3.61) 		L 6-4
7-5		 3.62 3.85
06/02/2019 Adult 40+
4.0		 Ky/Owb/Appleby
Southern		 D3 Rebecca Eggers
(3.53) 		Anna Greene
(3.51)
Janie Bean
(3.52) 		L 7-5
6-4		 3.62 3.87
05/26/2019 Adult 55+
4.0
Districts		 KY/OWB/WALTHER
Southern		 D1 Brenda Clayton
(3.79) 		Diane McCallum
(3.51)
Mary Linnig
(3.44) 		W 6-4
6-2		 3.78 3.92
05/26/2019 Adult 55+
4.0
Districts		 KY/OWB/WALTHER
Southern		 D1 Brenda Clayton
(3.77) 		Cheryl Lancaster
(3.71)
Patricia Wimsatt
(3.59) 		W 6-0
6-2		 4.14 3.98
05/25/2019 Adult 55+
4.0
Districts		 KY/OWB/WALTHER
Southern		 D1 Brenda Clayton
(3.72) 		Joanna Freeman
(3.76)
Cathy Beard
(3.67) 		W 6-3
6-1		 4.11 3.98
05/24/2019 Adult 55+
4.0
Districts		 KY/OWB/WALTHER
Southern		 D1 Brenda Clayton
(3.72) 		Sue Condict
(3.89)
Debra Johnson
(3.70) 		W 7-5
5-7
1-0		 3.91 3.92
05/18/2019 Adult Other
4.0
Districts		 Owb/ky/Greene
Southern		 D1 Brenda Clayton
(3.60) 		Maryann Coleman
(3.44)
Elizabeth Montgomery
(3.54) 		W 6-2
6-4		 3.77 -----
05/18/2019 Adult Other
4.0
Districts		 Owb/ky/Greene
Southern		 D2 Brenda Clayton
(3.60) 		Miriam Long
(3.68)
Amelia Strasler
(3.71) 		L 6-4
6-1		 3.54 -----
05/17/2019 Adult Other
4.0
Districts		 Owb/ky/Greene
Southern		 D1 Brenda Clayton
(3.60) 		Paula Greco
(3.73)
Sally Osborn
(3.51) 		W 6-1
6-2		 4.05 -----
05/17/2019 Adult Other
4.0
Districts		 Owb/ky/Greene
Southern		 D1 Brenda Clayton
(3.60) 		Jeannie Larson
(3.51)
Jane Keith
(-----) 		W 7-5
7-5		 S -----
05/05/2019 Adult 55+
4.0		 KY/OWB/WALTHER
Southern		 D3 Rebecca Eggers
(3.52) 		Lauren Bickel
(3.53)
Jo Ann FInk
(3.24) 		W 6-4
7-5		 3.72 3.89
05/05/2019 Adult 55+
4.0		 KY/OWB/WALTHER
Southern		 D3 Rebecca Eggers
(-----) 		Default W 6-0
6-0		 ----- -----
04/08/2019 Adult 55+
4.0		 KY/OWB/WALTHER
Southern		 D3 Janie Bean
(3.63) 		Sally Helwig
(3.51)
Rebecca Raymer
(3.70) 		W 6-0
6-0		 4.21 4.00
03/09/2019 Adult 55+
4.0		 KY/OWB/WALTHER
Southern		 D3 Amy Hunt
(-----) 		Sally Helwig
(3.51)
Rebecca Raymer
(3.70) 		W 6-3
6-3		 S 3.89
03/09/2019 Adult 55+
4.0		 KY/OWB/WALTHER
Southern		 D1 Christine Clements
(3.96) 		Kayla Arnott
(3.52)
Mary Caton
(3.54) 		W 7-6
6-4		 3.63 3.89
03/07/2019 Adult 55+
4.0		 KY/OWB/WALTHER
Southern		 D1 Brenda Clayton
(3.66) 		Kayla Arnott
(3.51)
Kirsten Ahnell
(3.52) 		W 6-0
6-4		 3.97 3.99
09/15/2019 D2 Adult 55+
4.0
Sectionals
KY/OWB/WALTHER
Southern		 W TN/Nashville/Jones
Southern
Kathy Blackford (3.73) 6-4
3-6
1-0		 Glenda Jordan (3.76)
Lea Pustejovsky (3.77)
Match: 3.82 Rating: 3.83
09/14/2019 D2 Adult 55+
4.0
Sectionals
KY/OWB/WALTHER
Southern		 W Hunter/Buchman/LR/LRAC
Southern
Brenda Clayton (3.69) 6-3
6-2		 Julie Sanders (3.58)
Cindy Pugh (3.60)
Match: 3.88 Rating: 3.85
09/13/2019 D1 Adult 55+
4.0
Sectionals
KY/OWB/WALTHER
Southern		 L CSRATA/Barbara Outley
Southern
Brenda Clayton (3.76) 6-2
6-1		 Susan Atkinson (3.74)
Reiko Kretz (3.87)
Match: 3.52 Rating: 3.78
06/08/2019 D3 Adult 40+
4.0
Ky/Owb/Appleby
Southern		 L Ky/Owb/Greene
Southern
Rebecca Eggers (3.37) 7-5
6-4		 Anna Greene (3.63)
Janie Walther (3.74)
Match: 3.84 Rating: 3.87
06/06/2019 D3 Adult 40+
4.0
Ky/Owb/Appleby
Southern		 L Ky/Owb/Greene
Southern
Rebecca Eggers (3.41) 6-4
7-5		 Sarah Bivins (3.34)
Anna Greene (3.61)
Match: 3.62 Rating: 3.85
06/02/2019 D3 Adult 40+
4.0
Ky/Owb/Appleby
Southern		 L Ky/Owb/Greene
Southern
Rebecca Eggers (3.53) 7-5
6-4		 Anna Greene (3.51)
Janie Bean (3.52)
Match: 3.62 Rating: 3.87
05/26/2019 D1 Adult 55+
4.0
Districts
KY/OWB/WALTHER
Southern		 W KY/LOU/DUNN/EVANS
Southern
Brenda Clayton (3.79) 6-4
6-2		 Diane McCallum (3.51)
Mary Linnig (3.44)
Match: 3.78 Rating: 3.92
05/26/2019 D1 Adult 55+
4.0
Districts
KY/OWB/WALTHER
Southern		 W KY/PUR/EDWARDS,RHONDA
Southern
Brenda Clayton (3.77) 6-0
6-2		 Cheryl Lancaster (3.71)
Patricia Wimsatt (3.59)
Match: 4.14 Rating: 3.98
05/25/2019 D1 Adult 55+
4.0
Districts
KY/OWB/WALTHER
Southern		 W KY/BG/Seagle
Southern
Brenda Clayton (3.72) 6-3
6-1		 Joanna Freeman (3.76)
Cathy Beard (3.67)
Match: 4.11 Rating: 3.98
05/24/2019 D1 Adult 55+
4.0
Districts
KY/OWB/WALTHER
Southern		 W KY/LOU/HALLION/KERN
Southern
Brenda Clayton (3.72) 7-5
5-7
1-0		 Sue Condict (3.89)
Debra Johnson (3.70)
Match: 3.91 Rating: 3.92
05/18/2019 D1 Adult Other
4.0
Districts
Owb/ky/Greene
Southern		 W DENNY
Southern
Brenda Clayton (3.60) 6-2
6-4		 Maryann Coleman (3.44)
Elizabeth Montgomery (3.54)
Match: 3.77 Rating: -----
05/18/2019 D2 Adult Other
4.0
Districts
Owb/ky/Greene
Southern		 L Louisville Bean
Southern
Brenda Clayton (3.60) 6-4
6-1		 Miriam Long (3.68)
Amelia Strasler (3.71)
Match: 3.54 Rating: -----
05/17/2019 D1 Adult Other
4.0
Districts
Owb/ky/Greene
Southern		 W OSBORN
Southern
Brenda Clayton (3.60) 6-1
6-2		 Paula Greco (3.73)
Sally Osborn (3.51)
Match: 4.05 Rating: -----
05/17/2019 D1 Adult Other
4.0
Districts
Owb/ky/Greene
Southern		 W Stich/Larson
Southern
Brenda Clayton (3.60) 7-5
7-5		 Jeannie Larson (3.51)
Jane Keith (-----)
Match: S Rating: -----
05/05/2019 D3 Adult 55+
4.0
KY/OWB/WALTHER
Southern		 W KY/OWB/BASHAM
Southern
Rebecca Eggers (3.52) 6-4
7-5		 Lauren Bickel (3.53)
Jo Ann FInk (3.24)
Match: 3.72 Rating: 3.89
05/05/2019 D3 Adult 55+
4.0
KY/OWB/WALTHER
Southern		 W KY/OWB/BASHAM
Southern
Rebecca Eggers (-----) 6-0
6-0		 Default
Match: ----- Rating: -----
04/08/2019 D3 Adult 55+
4.0
KY/OWB/WALTHER
Southern		 W KY/OWB/BASHAM
Southern
Janie Bean (3.63) 6-0
6-0		 Sally Helwig (3.51)
Rebecca Raymer (3.70)
Match: 4.21 Rating: 4.00
03/09/2019 D3 Adult 55+
4.0
KY/OWB/WALTHER
Southern		 W KY/OWB/BASHAM
Southern
Amy Hunt (-----) 6-3
6-3		 Sally Helwig (3.51)
Rebecca Raymer (3.70)
Match: S Rating: 3.89
03/09/2019 D1 Adult 55+
4.0
KY/OWB/WALTHER
Southern		 W KY/OWB/BASHAM
Southern
Christine Clements (3.96) 7-6
6-4		 Kayla Arnott (3.52)
Mary Caton (3.54)
Match: 3.63 Rating: 3.89
03/07/2019 D1 Adult 55+
4.0
KY/OWB/WALTHER
Southern		 W KY/OWB/BASHAM
Southern
Brenda Clayton (3.66) 6-0
6-4		 Kayla Arnott (3.51)
Kirsten Ahnell (3.52)
Match: 3.97 Rating: 3.99
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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