Statistical Analysis and Estimated Tennis Ratings to the 10,000th of a Point
Match History (2015) View Advanced Player Stats
Sam Ko (Portland, OR)
Male 		3.5 C
12/31/2024
Estimated Dynamic Rating 3.3630
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
2015 Overall Season [Doubles]
League/Level Total
Matches		 Win Loss Tie WPct Total
Sets		 Win Loss WPct Total
Games		 Win Loss WPct Defaults
Adult 40+ 4.0 6 1 5 0 16.7 13 3 10 23.1 110 43 67 39.1 0
Mixed 18+ 7.0 2 2 0 0 100.0 4 4 0 100.0 33 24 9 72.7 0
Mixed 18+ 8.0 4 2 2 0 50.0 8 4 4 50.0 73 36 37 49.3 0
Mixed 40+ 7.0 4 1 3 0 25.0 10 4 6 40.0 83 42 41 50.6 0
Mixed 40+ 8.0 7 4 3 0 57.1 16 9 7 56.3 133 74 59 55.6 0
Total 23 10 13 0 43.5 51 24 27 47.1 432 219 213 50.7 0
Match Date League Team Court Partner Opponent(s) W/L Result Match Rating
11/13/2015 Mixed 18+
7.0		 SAC-Ko
Pacific NW		 D1 Susan Robblee
(-----) 		Travis stovall
(-----)
Crystal Bryant
(-----) 		W 6-2
6-4		 NC NC
11/08/2015 Mixed 18+
8.0		 SAC-Ko/Shum
Pacific NW		 D1 Valyrie Ingram
(-----) 		Erik Rhodes
(-----)
Lisa West
(-----) 		L 6-3
6-4		 NC NC
10/24/2015 Mixed 18+
7.0		 SAC-Ko
Pacific NW		 D1 Susan Robblee Tamara Phillips

Charles Ruhsenberger 		W 6-1
6-2		 ----- -----
09/27/2015 Mixed 18+
8.0		 SAC-Ko/Shum
Pacific NW		 D3 Sydney Taggart Conor Wall

Judy Ma 		L 6-4
6-1		 ----- -----
09/19/2015 Mixed 18+
8.0		 SAC-Ko/Shum
Pacific NW		 D1 Molly Shum Xia Wu

Roy Larsen 		W 6-3
6-4		 ----- -----
09/11/2015 Mixed 18+
8.0		 SAC-Ko/Shum
Pacific NW		 D2 Sydney Taggart Jonathan Caplan

Kay Dobashi 		W 6-4
6-2		 ----- -----
08/02/2015 Mixed 40+
8.0		 SAC-Shum
Pacific NW		 D1 Molly Shum Kristi Vargas

Bradley Perry 		W 6-1
6-1		 ----- -----
08/01/2015 Mixed 40+
8.0		 SAC-Shum
Pacific NW		 D1 Molly Shum Mitchell Whitehurst

Shari Levelle 		W 2-6
6-4
1-0		 ----- -----
07/19/2015 Mixed 40+
8.0		 SAC-Shum
Pacific NW		 D1 Honghui Liang David Pham

Kana Wakamatsu 		L 3-6
7-5
1-0		 ----- -----
07/18/2015 Mixed 40+
8.0		 SAC-Shum
Pacific NW		 D1 Shannon Neal Rick Wong

Jill Casale 		L 6-3
6-4		 ----- -----
07/12/2015 Mixed 40+
8.0		 SAC-Shum
Pacific NW		 D1 Molly Shum Dan Boren

Jill Sather 		W 7-6
6-0		 ----- -----
07/12/2015 Adult 40+
4.0		 SAC-Meinung
Pacific NW		 D2 Paul Harwood Neil Soiffer

Danny Denning 		L 6-1
6-4		 ----- -----
07/11/2015 Mixed 40+
7.0		 SAC-Ko
Pacific NW		 D1 Juan Li Tan Do

Haruko Nagoya 		L 4-6
6-3
1-0		 ----- -----
06/28/2015 Mixed 40+
8.0		 SAC-Shum
Pacific NW		 D2 Honghui Liang Len Morales

Penny Birkhofer 		L 6-4
7-6		 ----- -----
06/20/2015 Mixed 40+
7.0		 SAC-Ko
Pacific NW		 D2 Susan Robblee Ty Hall

Cathie Recker 		L 7-6
4-6
1-0		 ----- -----
06/19/2015 Adult 40+
4.0		 SAC-Meinung
Pacific NW		 D1 Jeff Wheeler Steve Carns

Cary Lemieux 		L 6-3
6-1		 ----- -----
06/14/2015 Adult 40+
4.0		 SAC-Meinung
Pacific NW		 D1 Richard Tattoli Gene Avery

Randy Boose 		W 7-5
6-2		 ----- -----
06/12/2015 Mixed 40+
7.0		 SAC-Ko
Pacific NW		 D1 Juan Li Kerry Tymchuk

Jolene Neal 		W 6-4
6-1		 ----- -----
06/07/2015 Mixed 40+
8.0		 SAC-Shum
Pacific NW		 D2 Honghui Liang John Hapke

Krista Mikalatos 		W 6-1
6-4		 ----- -----
06/07/2015 Adult 40+
4.0		 SAC-Meinung
Pacific NW		 D3 Jeff Wheeler ross cornelius

Robert Prall 		L 6-2
6-3		 ----- -----
06/06/2015 Mixed 40+
7.0		 SAC-Ko
Pacific NW		 D1 Susan Robblee Brian Eldridge

Lisa Vanek 		L 6-4
7-5		 ----- -----
05/30/2015 Adult 40+
4.0		 SAC-Meinung
Pacific NW		 D3 Paul Harwood Robert Ferek

Kenneth Kang 		L 6-4
6-4		 ----- -----
05/02/2015 Adult 40+
4.0		 SAC-Meinung
Pacific NW		 D2 Chris Hamilton Jonathan Caplan

Greg Van Gasse 		L 6-1
5-7
1-0		 ----- -----
11/13/2015 D1 Mixed 18+
7.0
SAC-Ko
Pacific NW		 W CAC-Woodard
Pacific NW
Susan Robblee (-----) 6-2
6-4		 Travis stovall (-----)
Crystal Bryant (-----)
Match: NC Rating: NC
11/08/2015 D1 Mixed 18+
8.0
SAC-Ko/Shum
Pacific NW		 L LOTC-West
Pacific NW
Valyrie Ingram (-----) 6-3
6-4		 Erik Rhodes (-----)
Lisa West (-----)
Match: NC Rating: NC
10/24/2015 D1 Mixed 18+
7.0
SAC-Ko
Pacific NW		 W St.Johns-Ruhsenberger
Pacific NW
Susan Robblee 6-1
6-2		 Tamara Phillips
Charles Ruhsenberger
Match: ----- Rating: -----
09/27/2015 D3 Mixed 18+
8.0
SAC-Ko/Shum
Pacific NW		 L PTC-Zielinski/Vawter
Pacific NW
Sydney Taggart 6-4
6-1		 Conor Wall
Judy Ma
Match: ----- Rating: -----
09/19/2015 D1 Mixed 18+
8.0
SAC-Ko/Shum
Pacific NW		 W THPRD-Rankin/Kershaw
Pacific NW
Molly Shum 6-3
6-4		 Xia Wu
Roy Larsen
Match: ----- Rating: -----
09/11/2015 D2 Mixed 18+
8.0
SAC-Ko/Shum
Pacific NW		 W WHRC-Caplan
Pacific NW
Sydney Taggart 6-4
6-2		 Jonathan Caplan
Kay Dobashi
Match: ----- Rating: -----
08/02/2015 D1 Mixed 40+
8.0
SAC-Shum
Pacific NW		 W LOTC-Vargas/Hester
Pacific NW
Molly Shum 6-1
6-1		 Kristi Vargas
Bradley Perry
Match: ----- Rating: -----
08/01/2015 D1 Mixed 40+
8.0
SAC-Shum
Pacific NW		 W SAC-Levelle
Pacific NW
Molly Shum 2-6
6-4
1-0		 Mitchell Whitehurst
Shari Levelle
Match: ----- Rating: -----
07/19/2015 D1 Mixed 40+
8.0
SAC-Shum
Pacific NW		 L OES-Eckerdt
Pacific NW
Honghui Liang 3-6
7-5
1-0		 David Pham
Kana Wakamatsu
Match: ----- Rating: -----
07/18/2015 D1 Mixed 40+
8.0
SAC-Shum
Pacific NW		 L MPRC-Nelson
Pacific NW
Shannon Neal 6-3
6-4		 Rick Wong
Jill Casale
Match: ----- Rating: -----
07/12/2015 D1 Mixed 40+
8.0
SAC-Shum
Pacific NW		 W THPRD-Matsumori
Pacific NW
Molly Shum 7-6
6-0		 Dan Boren
Jill Sather
Match: ----- Rating: -----
07/12/2015 D2 Adult 40+
4.0
SAC-Meinung
Pacific NW		 L THPRD-Heller/Pham
Pacific NW
Paul Harwood () 6-1
6-4		 Neil Soiffer
Danny Denning
Match: ----- Rating: -----
07/11/2015 D1 Mixed 40+
7.0
SAC-Ko
Pacific NW		 L THPRD-Kennish/Sasakawa
Pacific NW
Juan Li 4-6
6-3
1-0		 Tan Do
Haruko Nagoya
Match: ----- Rating: -----
06/28/2015 D2 Mixed 40+
8.0
SAC-Shum
Pacific NW		 L CAC-Delplato
Pacific NW
Honghui Liang 6-4
7-6		 Len Morales
Penny Birkhofer
Match: ----- Rating: -----
06/20/2015 D2 Mixed 40+
7.0
SAC-Ko
Pacific NW		 L SHC-Hall
Pacific NW
Susan Robblee 7-6
4-6
1-0		 Ty Hall
Cathie Recker
Match: ----- Rating: -----
06/19/2015 D1 Adult 40+
4.0
SAC-Meinung
Pacific NW		 L Charb-Moreno/Hammonds
Pacific NW
Jeff Wheeler () 6-3
6-1		 Steve Carns
Cary Lemieux
Match: ----- Rating: -----
06/14/2015 D1 Adult 40+
4.0
SAC-Meinung
Pacific NW		 W IRV-Gordon
Pacific NW
Richard Tattoli () 7-5
6-2		 Gene Avery
Randy Boose
Match: ----- Rating: -----
06/12/2015 D1 Mixed 40+
7.0
SAC-Ko
Pacific NW		 W WHRC-Pettis
Pacific NW
Juan Li 6-4
6-1		 Kerry Tymchuk
Jolene Neal
Match: ----- Rating: -----
06/07/2015 D2 Mixed 40+
8.0
SAC-Shum
Pacific NW		 W VTC-Olson
Pacific NW
Honghui Liang 6-1
6-4		 John Hapke
Krista Mikalatos
Match: ----- Rating: -----
06/07/2015 D3 Adult 40+
4.0
SAC-Meinung
Pacific NW		 L MAC-Carter
Pacific NW
Jeff Wheeler () 6-2
6-3		 ross cornelius
Robert Prall
Match: ----- Rating: -----
06/06/2015 D1 Mixed 40+
7.0
SAC-Ko
Pacific NW		 L EGT-Eldridge/Vanek
Pacific NW
Susan Robblee 6-4
7-5		 Brian Eldridge
Lisa Vanek
Match: ----- Rating: -----
05/30/2015 D3 Adult 40+
4.0
SAC-Meinung
Pacific NW		 L CAC-Morales
Pacific NW
Paul Harwood () 6-4
6-4		 Robert Ferek
Kenneth Kang
Match: ----- Rating: -----
05/02/2015 D2 Adult 40+
4.0
SAC-Meinung
Pacific NW		 L WHRC-Caplan
Pacific NW
Chris Hamilton () 6-1
5-7
1-0		 Jonathan Caplan
Greg Van Gasse
Match: ----- 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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