Statistical Analysis and Estimated Tennis Ratings to the 10,000th of a Point
Match History (2018) View Advanced Player Stats
Sandi Christopherson (Urbandale, IA)
Female 		3.5 C
12/31/2022
Estimated Dynamic Rating 3.0842
4/2/2025
Projected Year End Rating ------
----------
3.5 Rating Meter
Rating Meter
3.0001 - 3.5000
Recent Match History Current Rating History
2018 Overall Season
League/Level Total
Matches		 Win Loss Tie WPct Total
Sets		 Win Loss WPct Total
Games		 Win Loss WPct Defaults
Adult 18+ 3.5 6 4 2 0 66.7 13 8 5 61.5 111 61 50 55.0 0
Adult 18+ 4.0 3 1 2 0 33.3 7 2 5 28.6 50 16 34 32.0 0
Adult 40+ 3.5 8 5 3 0 62.5 19 12 7 63.2 145 83 62 57.2 0
Adult 40+ 4.0 5 0 5 0 0.0 11 1 10 9.1 90 30 60 33.3 0
Adult 65+ 7.0 2 1 1 0 50.0 5 2 3 40.0 34 11 23 32.4 0
Total 24 11 13 0 45.8 55 25 30 45.5 430 201 229 46.7 0
Match Date League Team Court Partner Opponent(s) W/L Result Match Rating
12/08/2018 Adult 40+
4.0		 Pack/Snedegar - Lifetime
Missouri Valley		 D2 Brandee Morrow
(3.26) 		Janis Porto
(3.89)
Ewa Pratt
(3.61) 		L 6-2
6-1		 3.30 3.26
12/01/2018 Adult 40+
3.5		 Olafson/Hill Mathes - Lifetime
Missouri Valley		 D1 Danita Olafson
(3.05) 		Lee Johnson
(3.29)
christina lederman
(3.03) 		L 6-4
2-6
1-0		 3.27 3.24
11/30/2018 Adult 40+
4.0		 Pack/Snedegar - Lifetime
Missouri Valley		 D2 Madeline Meyer
(3.57) 		Renee Fitzhugh
(3.81)
Meg Nixon
(3.27) 		L 6-3
6-1		 3.09 3.22
11/10/2018 Adult 40+
4.0		 Pack/Snedegar - Lifetime
Missouri Valley		 D3 Karen Maigaard
(3.67) 		Karen Mann
(3.77)
Joy Bachmann
(3.62) 		L 7-6
6-4		 3.39 3.26
10/27/2018 Adult 40+
3.5		 Olafson/Hill Mathes - Lifetime
Missouri Valley		 D2 Michelle Rice
(3.16) 		Kyle McGowan
(2.67)
Lisa Mitchell
(3.11) 		W 6-1
6-0		 3.36 3.24
10/20/2018 Adult 40+
4.0		 Pack/Snedegar - Lifetime
Missouri Valley		 D2 Patricia Blodi
(3.43) 		Sarah Corell
(3.67)
Gina Christian
(3.55) 		L 6-3
6-4		 3.35 3.24
10/05/2018 Adult 40+
4.0		 Pack/Snedegar - Lifetime
Missouri Valley		 D3 Jenn Smith
(3.60) 		Karen Cordes
(3.57)
Carla Ulan
(3.44) 		L 4-6
6-0
1-0		 3.12 3.20
09/29/2018 Adult 40+
3.5		 Olafson/Hill Mathes - Lifetime
Missouri Valley		 D2 Jen DeWall
(3.28) 		christina lederman
(2.93)
Luz Dealba
(3.03) 		W 0-6
7-6
1-0		 2.86 3.17
09/15/2018 Adult 40+
3.5		 Olafson/Hill Mathes - Lifetime
Missouri Valley		 D3 Janel Hansen
(2.98) 		Janice Koder
(2.76)
Cheryl Minor
(2.97) 		W 6-2
7-6		 3.14 3.23
08/25/2018 Adult 18+
3.5
Sectionals		 IA - Olafson/Anderson
Missouri Valley		 D1 Kimberly Anderson
(2.94) 		Samantha Angell
(3.02)
Gwen Harner
(3.22) 		W 7-6
6-7
1-0		 3.33 3.27
08/24/2018 Adult 18+
3.5
Sectionals		 IA - Olafson/Anderson
Missouri Valley		 D3 Julie Hempel
(3.15) 		Janet Fisher
(2.97)
Shelly Jones
(3.05) 		W 6-0
6-1		 3.48 3.30
07/15/2018 Adult 65+
7.0
Sectionals		 IOWA - Koder/Wilkinson
Missouri Valley		 D2 Cindy Rovner
(3.06) 		Carolyn Duncan
(3.27)
Jan Zimmerman
(3.10) 		W 7-5
0-6
1-0		 3.19 3.23
07/13/2018 Adult 65+
7.0
Sectionals		 IOWA - Koder/Wilkinson
Missouri Valley		 D2 Hattie Beecher
(2.96) 		Joyce Schilke
(3.40)
Karen Ralfs
(3.26) 		L 6-3
6-0		 3.15 3.23
06/23/2018 Adult 40+
3.5
Districts		 Pack/Nelson - Lifetime
Missouri Valley		 D2 Tiffany Lavastida
(3.47) 		Maria Bertorello
(3.23)
Sheila Goins
(3.36) 		W 6-3
6-3		 3.36 3.27
06/23/2018 Adult 40+
3.5
Districts		 Pack/Nelson - Lifetime
Missouri Valley		 D3 Karen Kraemer
(3.48) 		Caren Wasta
(3.21)
Faye Williams
(3.37) 		L 1-6
6-3
1-0		 3.21 3.22
06/09/2018 Adult 18+
3.5
Districts		 IA - Olafson/Anderson
Missouri Valley		 D3 Danita Olafson
(3.11) 		Malora Cosgrove
(3.10)
Linda Wiley
(3.10) 		W 6-1
6-3		 3.45 3.26
05/12/2018 Adult 18+
4.0		 Nelson/Pack: Lifetime
Missouri Valley		 D1 Karen Kraemer
(3.49) 		Pamela Christoffers
(3.82)
Sandra Hovey
(3.68) 		L 6-0
6-4		 3.28 3.23
05/05/2018 Adult 18+
3.5		 IA - Olafson/Anderson
Missouri Valley		 D1 Beth Eganhouse
(3.45) 		Karen Kraemer
(3.41)
Holly Shortenhaus
(3.24) 		L 6-2
6-3		 2.97 3.18
04/21/2018 Adult 18+
3.5		 IA - Olafson/Anderson
Missouri Valley		 D2 Jen DeWall
(3.41) 		Janice Koder
(2.85)
Penee Indelicato
(3.02) 		W 7-6
6-2		 3.00 3.21
04/14/2018 Adult 18+
3.5		 IA - Olafson/Anderson
Missouri Valley		 D1 Danita Olafson
(3.12) 		Kim Bradfield
(3.47)
Janet Cole
(3.36) 		L 6-4
6-1		 3.25 3.26
03/03/2018 Adult 18+
4.0		 Nelson/Pack: Lifetime
Missouri Valley		 D1 Jenn Smith
(3.63) 		Kara Oakley
(3.75)
Rebecca Studer
(3.76) 		L 6-2
6-2		 3.29 3.27
02/03/2018 Adult 18+
4.0		 Nelson/Pack: Lifetime
Missouri Valley		 D2 Jenn Smith
(3.63) 		Joy Johnson
(3.50)
Angela Carl
(3.51) 		W 6-4
1-6
1-0		 3.26 3.26
01/13/2018 Adult 40+
3.5		 Pack/Nelson - Lifetime
Missouri Valley		 D1 Karen Kraemer
(3.44) 		Kim Bradfield
(3.46)
Ree Greteman
(3.37) 		L 6-1
7-6		 3.16 3.26
01/06/2018 Adult 40+
3.5		 Pack/Nelson - Lifetime
Missouri Valley		 D2 Cathy Nelson
(3.61) 		Luz Dealba
(3.14)
Sharon Wilkinson
(3.07) 		W 6-4
6-1		 3.20 3.27
12/08/2018 D2 Adult 40+
4.0
Pack/Snedegar - Lifetime
Missouri Valley		 L MOVALLEY/ Krause-Bruntz
Missouri Valley
Brandee Morrow (3.26) 6-2
6-1		 Janis Porto (3.89)
Ewa Pratt (3.61)
Match: 3.30 Rating: 3.26
12/01/2018 D1 Adult 40+
3.5
Olafson/Hill Mathes - Lifetime
Missouri Valley		 L Wilkinson - Aspen
Missouri Valley
Danita Olafson (3.05) 6-4
2-6
1-0		 Lee Johnson (3.29)
christina lederman (3.03)
Match: 3.27 Rating: 3.24
11/30/2018 D2 Adult 40+
4.0
Pack/Snedegar - Lifetime
Missouri Valley		 L Nixon/Rickert - Lifetime
Missouri Valley
Madeline Meyer (3.57) 6-3
6-1		 Renee Fitzhugh (3.81)
Meg Nixon (3.27)
Match: 3.09 Rating: 3.22
11/10/2018 D3 Adult 40+
4.0
Pack/Snedegar - Lifetime
Missouri Valley		 L Rovner - Aspen
Missouri Valley
Karen Maigaard (3.67) 7-6
6-4		 Karen Mann (3.77)
Joy Bachmann (3.62)
Match: 3.39 Rating: 3.26
10/27/2018 D2 Adult 40+
3.5
Olafson/Hill Mathes - Lifetime
Missouri Valley		 W Koethe - DM Golf
Missouri Valley
Michelle Rice (3.16) 6-1
6-0		 Kyle McGowan (2.67)
Lisa Mitchell (3.11)
Match: 3.36 Rating: 3.24
10/20/2018 D2 Adult 40+
4.0
Pack/Snedegar - Lifetime
Missouri Valley		 L MOVALLEY/ Krause-Bruntz
Missouri Valley
Patricia Blodi (3.43) 6-3
6-4		 Sarah Corell (3.67)
Gina Christian (3.55)
Match: 3.35 Rating: 3.24
10/05/2018 D3 Adult 40+
4.0
Pack/Snedegar - Lifetime
Missouri Valley		 L Rovner - Aspen
Missouri Valley
Jenn Smith (3.60) 4-6
6-0
1-0		 Karen Cordes (3.57)
Carla Ulan (3.44)
Match: 3.12 Rating: 3.20
09/29/2018 D2 Adult 40+
3.5
Olafson/Hill Mathes - Lifetime
Missouri Valley		 W Wilkinson - Aspen
Missouri Valley
Jen DeWall (3.28) 0-6
7-6
1-0		 christina lederman (2.93)
Luz Dealba (3.03)
Match: 2.86 Rating: 3.17
09/15/2018 D3 Adult 40+
3.5
Olafson/Hill Mathes - Lifetime
Missouri Valley		 W Koethe - DM Golf
Missouri Valley
Janel Hansen (2.98) 6-2
7-6		 Janice Koder (2.76)
Cheryl Minor (2.97)
Match: 3.14 Rating: 3.23
08/25/2018 D1 Adult 18+
3.5
Sectionals
IA - Olafson/Anderson
Missouri Valley		 W KS - WC: Shepard/Boardman
Missouri Valley
Kimberly Anderson (2.94) 7-6
6-7
1-0		 Samantha Angell (3.02)
Gwen Harner (3.22)
Match: 3.33 Rating: 3.27
08/24/2018 D3 Adult 18+
3.5
Sectionals
IA - Olafson/Anderson
Missouri Valley		 W MO Branson Stars
Missouri Valley
Julie Hempel (3.15) 6-0
6-1		 Janet Fisher (2.97)
Shelly Jones (3.05)
Match: 3.48 Rating: 3.30
07/15/2018 D2 Adult 65+
7.0
Sectionals
IOWA - Koder/Wilkinson
Missouri Valley		 W Harkleroad Irene
Missouri Valley
Cindy Rovner (3.06) 7-5
0-6
1-0		 Carolyn Duncan (3.27)
Jan Zimmerman (3.10)
Match: 3.19 Rating: 3.23
07/13/2018 D2 Adult 65+
7.0
Sectionals
IOWA - Koder/Wilkinson
Missouri Valley		 L NEB - Marty Weiss
Missouri Valley
Hattie Beecher (2.96) 6-3
6-0		 Joyce Schilke (3.40)
Karen Ralfs (3.26)
Match: 3.15 Rating: 3.23
06/23/2018 D2 Adult 40+
3.5
Districts
Pack/Nelson - Lifetime
Missouri Valley		 W IA - Goins/Constantine
Missouri Valley
Tiffany Lavastida (3.47) 6-3
6-3		 Maria Bertorello (3.23)
Sheila Goins (3.36)
Match: 3.36 Rating: 3.27
06/23/2018 D3 Adult 40+
3.5
Districts
Pack/Nelson - Lifetime
Missouri Valley		 L Allen/Carstensen - Elmcrest
Missouri Valley
Karen Kraemer (3.48) 1-6
6-3
1-0		 Caren Wasta (3.21)
Faye Williams (3.37)
Match: 3.21 Rating: 3.22
06/09/2018 D3 Adult 18+
3.5
Districts
IA - Olafson/Anderson
Missouri Valley		 W Allen/Carstensen: Elmcrest
Missouri Valley
Danita Olafson (3.11) 6-1
6-3		 Malora Cosgrove (3.10)
Linda Wiley (3.10)
Match: 3.45 Rating: 3.26
05/12/2018 D1 Adult 18+
4.0
Nelson/Pack: Lifetime
Missouri Valley		 L IA - Nixon/Rickert
Missouri Valley
Karen Kraemer (3.49) 6-0
6-4		 Pamela Christoffers (3.82)
Sandra Hovey (3.68)
Match: 3.28 Rating: 3.23
05/05/2018 D1 Adult 18+
3.5
IA - Olafson/Anderson
Missouri Valley		 L Pack/Nelson: Lifetime
Missouri Valley
Beth Eganhouse (3.45) 6-2
6-3		 Karen Kraemer (3.41)
Holly Shortenhaus (3.24)
Match: 2.97 Rating: 3.18
04/21/2018 D2 Adult 18+
3.5
IA - Olafson/Anderson
Missouri Valley		 W Bialzak - DMG
Missouri Valley
Jen DeWall (3.41) 7-6
6-2		 Janice Koder (2.85)
Penee Indelicato (3.02)
Match: 3.00 Rating: 3.21
04/14/2018 D1 Adult 18+
3.5
IA - Olafson/Anderson
Missouri Valley		 L Smith/Bradfield: Aspen
Missouri Valley
Danita Olafson (3.12) 6-4
6-1		 Kim Bradfield (3.47)
Janet Cole (3.36)
Match: 3.25 Rating: 3.26
03/03/2018 D1 Adult 18+
4.0
Nelson/Pack: Lifetime
Missouri Valley		 L Stewart: Lifetime
Missouri Valley
Jenn Smith (3.63) 6-2
6-2		 Kara Oakley (3.75)
Rebecca Studer (3.76)
Match: 3.29 Rating: 3.27
02/03/2018 D2 Adult 18+
4.0
Nelson/Pack: Lifetime
Missouri Valley		 W Wilkinson: Aspen
Missouri Valley
Jenn Smith (3.63) 6-4
1-6
1-0		 Joy Johnson (3.50)
Angela Carl (3.51)
Match: 3.26 Rating: 3.26
01/13/2018 D1 Adult 40+
3.5
Pack/Nelson - Lifetime
Missouri Valley		 L Rovner 3.5 - Lifetime
Missouri Valley
Karen Kraemer (3.44) 6-1
7-6		 Kim Bradfield (3.46)
Ree Greteman (3.37)
Match: 3.16 Rating: 3.26
01/06/2018 D2 Adult 40+
3.5
Pack/Nelson - Lifetime
Missouri Valley		 W Willkinson 3.5 - Aspen
Missouri Valley
Cathy Nelson (3.61) 6-4
6-1		 Luz Dealba (3.14)
Sharon Wilkinson (3.07)
Match: 3.20 Rating: 3.27
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.
This site is not affiliated, endorsed, or associated by or with the USTA in any manner nor are the ratings affiliated with the NTRP rating system.
Copyright © 2016-2025 TennisRecord.com All rights reserved.

Privacy Policy  |  Sitemap