Statistical Analysis and Estimated Tennis Ratings to the 10,000th of a Point
Match History (2019) View Advanced Player Stats
Margaret Sivertsen (Portland, OR)
Female 		4.0 C
12/31/2024
Estimated Dynamic Rating 3.6745
4/24/2025
Projected Year End Rating ------
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4.0 Rating Meter
Rating Meter
3.5001 - 4.0000
Recent Match History Current Rating History
2019 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 3 2 1 0 66.7 6 4 2 66.7 57 31 26 54.4 0
Adult 40+ 4.0 3 3 0 0 100.0 6 6 0 100.0 55 37 18 67.3 0
Mixed 18+ 8.0 1 1 0 0 100.0 2 2 0 100.0 20 13 7 65.0 0
Mixed 40+ 8.0 4 4 0 0 100.0 9 7 2 77.8 58 33 25 56.9 0
Total 11 10 1 0 90.9 23 19 4 82.6 190 114 76 60.0 0
Match Date League Team Court Partner Opponent(s) W/L Result Match Rating
09/20/2019 Mixed 40+
8.0
Sectionals		 THPRD-Hanson/Shull
Pacific NW		 D3 Justin Shull
(3.87) 		Jen Hein
(3.40)
James Degrasse
(3.35) 		W 6-3
3-6
1-0		 3.34 3.60
09/20/2019 Mixed 40+
8.0
Sectionals		 THPRD-Hanson/Shull
Pacific NW		 D3 Justin Shull
(3.84) 		Jimmy Kayongo
(3.77)
Rebecca Kinworthy
(3.70) 		W 6-3
6-3		 3.85 3.72
07/19/2019 Mixed 18+
8.0
Sectionals		 LOTC-Shull
Pacific NW		 D3 Justin Shull
(3.83) 		Anna Jarman
(3.61)
Adam Hrebeniuk
(3.75) 		W 7-5
6-2		 3.77 3.69
06/12/2019 Adult 40+
4.0		 THPRD-Kershaw/Sivertsen
Pacific NW		 D1 Ellen Bowman
(3.43) 		Jaymi Sladen
(3.61)
Marie Reykalin
(3.49) 		W 6-1
6-4		 3.88 3.64
06/07/2019 Adult 40+
4.0		 THPRD-Kershaw/Sivertsen
Pacific NW		 D2 Beth Steffes
(3.47) 		Mary Klinger
(3.66)
Fumiyo Bookstein
(3.48) 		W 6-3
6-3		 3.82 3.61
05/05/2019 Adult 40+
4.0		 THPRD-Kershaw/Sivertsen
Pacific NW		 D2 Angie Lee
(3.61) 		Char Riley
(3.46)
Tracy Bardell
(3.85) 		W 6-1
7-6		 3.78 3.58
05/04/2019 Tournament
CW8.0d		 SAC CINCO DE MAYO DOUBLES TOURNAMENT RR Karyn Yaptangco
(3.00) 		Suk Ki Lee
(3.70)
Seungja Shin
(3.51) 		W 7-6
1-6
1-0		 3.85 -----
05/03/2019 Tournament
CW8.0d		 SAC CINCO DE MAYO DOUBLES TOURNAMENT RR Karyn Yaptangco
(3.00) 		Donna Feuerherdt
(3.81)
Mary Hlady
(3.58) 		L 6-0
6-2		 3.62 -----
05/02/2019 Tournament
CW8.0d		 SAC CINCO DE MAYO DOUBLES TOURNAMENT RR Karyn Yaptangco
(3.00) 		Jill Chapman
(3.79)
Julie Hansen
(3.53) 		L 7-5
6-1		 3.76 -----
03/30/2019 Adult 18+
4.0		 THPRD-Adcock/Kershaw
Pacific NW		 D3 Ellen Bowman
(3.46) 		Annette Garske
(3.46)
Courtney Ngai
(3.39) 		W 7-5
7-5		 3.53 3.52
03/10/2019 Mixed 40+
8.0		 THPRD-Hanson/Shull
Pacific NW		 D1 Neil Soiffer
(3.84) 		Kathryn Smith
(3.64)
Christian Walkenhorst
(3.90) 		W 3-6
6-4
1-0		 S 3.67
02/16/2019 Adult 18+
4.0		 THPRD-Adcock/Kershaw
Pacific NW		 D2 Carrie Pelz
(3.59) 		Ann Skoog
(3.22)
Pat Berends
(3.15) 		W 6-4
6-0		 3.44 3.50
01/20/2019 Mixed 40+
8.0		 THPRD-Hanson/Shull
Pacific NW		 D1 Mark Sendelback
(-----) 		Sam Ko
(-----)
Boon Yon Joung
(-----) 		W 1-0 ----- -----
01/12/2019 Adult 18+
4.0		 THPRD-Adcock/Kershaw
Pacific NW		 D2 Carrie Pelz
(3.67) 		Juan Li
(3.71)
Shannon Neal
(3.51) 		L 6-3
6-2		 3.33 3.53
09/20/2019 D3 Mixed 40+
8.0
Sectionals
THPRD-Hanson/Shull
Pacific NW		 W YTC-DeGrasse
Pacific NW
Justin Shull (3.87) 6-3
3-6
1-0		 Jen Hein (3.40)
James Degrasse (3.35)
Match: 3.34 Rating: 3.60
09/20/2019 D3 Mixed 40+
8.0
Sectionals
THPRD-Hanson/Shull
Pacific NW		 W Game, Set, Matt
Pacific NW
Justin Shull (3.84) 6-3
6-3		 Jimmy Kayongo (3.77)
Rebecca Kinworthy (3.70)
Match: 3.85 Rating: 3.72
07/19/2019 D3 Mixed 18+
8.0
Sectionals
LOTC-Shull
Pacific NW		 W CBRC-Samuel
Pacific NW
Justin Shull (3.83) 7-5
6-2		 Anna Jarman (3.61)
Adam Hrebeniuk (3.75)
Match: 3.77 Rating: 3.69
06/12/2019 D1 Adult 40+
4.0
THPRD-Kershaw/Sivertsen
Pacific NW		 W MAC-Lilly
Pacific NW
Ellen Bowman (3.43) 6-1
6-4		 Jaymi Sladen (3.61)
Marie Reykalin (3.49)
Match: 3.88 Rating: 3.64
06/07/2019 D2 Adult 40+
4.0
THPRD-Kershaw/Sivertsen
Pacific NW		 W PTC-Grisham
Pacific NW
Beth Steffes (3.47) 6-3
6-3		 Mary Klinger (3.66)
Fumiyo Bookstein (3.48)
Match: 3.82 Rating: 3.61
05/05/2019 D2 Adult 40+
4.0
THPRD-Kershaw/Sivertsen
Pacific NW		 W IRV-Lyon
Pacific NW
Angie Lee (3.61) 6-1
7-6		 Char Riley (3.46)
Tracy Bardell (3.85)
Match: 3.78 Rating: 3.58
SAC CINCO DE MAYO DOUBLES TOURNAMENT
05/04/2019 RR Tournament
CW8.0d
W
Karyn Yaptangco (3.00) 7-6
1-6
1-0		 Suk Ki Lee (3.70)
Seungja Shin (3.51)
Match: 3.85 Rating: -----
SAC CINCO DE MAYO DOUBLES TOURNAMENT
05/03/2019 RR Tournament
CW8.0d
L
Karyn Yaptangco (3.00) 6-0
6-2		 Donna Feuerherdt (3.81)
Mary Hlady (3.58)
Match: 3.62 Rating: -----
SAC CINCO DE MAYO DOUBLES TOURNAMENT
05/02/2019 RR Tournament
CW8.0d
L
Karyn Yaptangco (3.00) 7-5
6-1		 Jill Chapman (3.79)
Julie Hansen (3.53)
Match: 3.76 Rating: -----
03/30/2019 D3 Adult 18+
4.0
THPRD-Adcock/Kershaw
Pacific NW		 W WHRC-Davis
Pacific NW
Ellen Bowman (3.46) 7-5
7-5		 Annette Garske (3.46)
Courtney Ngai (3.39)
Match: 3.53 Rating: 3.52
03/10/2019 D1 Mixed 40+
8.0
THPRD-Hanson/Shull
Pacific NW		 W MPRC-Wong
Pacific NW
Neil Soiffer (3.84) 3-6
6-4
1-0		 Kathryn Smith (3.64)
Christian Walkenhorst (3.90)
Match: S Rating: 3.67
02/16/2019 D2 Adult 18+
4.0
THPRD-Adcock/Kershaw
Pacific NW		 W LOTC-Vargas/Lyman
Pacific NW
Carrie Pelz (3.59) 6-4
6-0		 Ann Skoog (3.22)
Pat Berends (3.15)
Match: 3.44 Rating: 3.50
01/20/2019 D1 Mixed 40+
8.0
THPRD-Hanson/Shull
Pacific NW		 W SAC-Ko
Pacific NW
Mark Sendelback (-----) 1-0 Sam Ko (-----)
Boon Yon Joung (-----)
Match: ----- Rating: -----
01/12/2019 D2 Adult 18+
4.0
THPRD-Adcock/Kershaw
Pacific NW		 L SAC-Gatzke
Pacific NW
Carrie Pelz (3.67) 6-3
6-2		 Juan Li (3.71)
Shannon Neal (3.51)
Match: 3.33 Rating: 3.53
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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