Statistical Analysis and Estimated Tennis Ratings to the 10,000th of a Point
Match History (2023) View Advanced Player Stats
Sam Ko (Portland, OR)
Male 		3.5 C
12/31/2023
Estimated Dynamic Rating 3.3521
5/23/2024
Projected Year End Rating ------
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3.5 Rating Meter
Rating Meter
3.0001 - 3.5000
Recent Match History Current Rating History
2023 Overall Season
League/Level Total
Matches		 Win Loss Tie WPct Total
Sets		 Win Loss WPct Total
Games		 Win Loss WPct Defaults
Mixed 18+ 7.0 4 3 1 0 75.0 10 7 3 70.0 78 44 34 56.4 0
Mixed 18+ 8.0 3 1 2 0 33.3 8 3 5 37.5 60 29 31 48.3 0
Mixed 40+ 7.0 4 2 2 0 50.0 9 4 5 44.4 74 34 40 45.9 0
Mixed 40+ 8.0 4 2 2 0 50.0 11 6 5 54.5 83 46 37 55.4 0
Total 15 8 7 0 53.3 38 20 18 52.6 295 153 142 51.9 0
Match Date League Team Court Partner Opponent(s) W/L Result Match Rating
12/02/2023 Mixed 18+
8.0		 SAC-Ko
Pacific NW		 D2 Tamara Justus
(4.36) 		Xiaonan Tian
(3.86)
Shannon Chen
(3.50) 		W 4-6
6-3
1-0		 3.24 3.35
11/03/2023 Mixed 18+
8.0		 SAC-Ko
Pacific NW		 D1 Sydney Taggart
(4.10) 		Kimberly Quach
(4.24)
Jason Dortch
(3.32) 		L 6-4
2-6
1-0		 3.42 3.40
10/28/2023 Mixed 18+
7.0		 SAC-Harwood
Pacific NW		 D3 Cathy Gatzke
(3.48) 		Nina Hanson
(3.10)
Jered Cuenco
(2.73) 		L 4-6
6-1
1-0		 2.78 3.33
10/21/2023 Mixed 18+
8.0		 SAC-Ko
Pacific NW		 D3 Sydney Taggart
(4.08) 		William Creger
(3.94)
Paula Petrica
(3.98) 		L 6-3
7-5		 3.50 3.44
10/15/2023 Mixed 18+
7.0		 SAC-Harwood
Pacific NW		 D3 Kim Tellin
(3.16) 		Mary Chennault
(3.72)
Michael Lemmons
(2.85) 		W 5-7
6-4
1-0		 3.45 3.43
09/29/2023 Mixed 18+
7.0		 SAC-Harwood
Pacific NW		 D2 Timothea Barnatan
(3.13) 		Amanda Lowthian
(3.39)
Michael Meyers
(-----) 		W 6-3
6-2		 S 3.44
09/23/2023 Mixed 18+
7.0		 SAC-Harwood
Pacific NW		 D1 Kim Tellin
(3.10) 		John Van Leeuwen
(3.42)
Kiersten Lake
(3.03) 		W 6-2
7-5		 3.55 3.44
03/04/2023 Mixed 40+
8.0		 SAC-Ko/Shum
Pacific NW		 D3 Julie Hansen
(3.54) 		Holly Kanz
(3.68)
Scott Pennington
(3.80) 		W 6-7
7-5
1-0		 S 3.40
02/17/2023 Mixed 40+
7.0		 SAC-Harwood/Robblee
Pacific NW		 D1 Timothea Barnatan
(3.12) 		David Pham
(3.88)
Maya Mori
(2.91) 		L 6-4
7-5		 3.45 3.40
02/10/2023 Mixed 40+
8.0		 SAC-Ko/Shum
Pacific NW		 D2 Sandra Barnes
(4.18) 		Frank Collie
(4.28)
Suzanne Chambers
(3.52) 		L 6-4
2-6
1-0		 3.53 3.42
02/05/2023 Mixed 40+
8.0		 SAC-Ko/Shum
Pacific NW		 D3 Lily Looi
(3.49) 		Jonathan Quon
(4.06)
karen groenweghe
(3.13) 		L 4-6
6-4
1-0		 3.49 3.40
01/29/2023 Mixed 40+
7.0		 SAC-Harwood/Robblee
Pacific NW		 D1 Theresa Berry
(3.14) 		Jason Fitzgerald
(3.17)
Colleen Nolan
(3.54) 		L 6-4
6-0		 3.20 3.34
01/15/2023 Mixed 40+
7.0		 SAC-Harwood/Robblee
Pacific NW		 D1 Shari Levelle
(3.12) 		Sharon Loomis-Malin
(3.30)
Ed Schwartz
(3.25) 		W 6-3
6-4		 3.53 3.40
01/14/2023 Mixed 40+
8.0		 SAC-Ko/Shum
Pacific NW		 D3 Sandra Barnes
(4.19) 		Kevin Oloughlin
(3.50)
Patricia Sturr
(3.26) 		W 6-3
6-2		 3.22 3.34
01/06/2023 Mixed 40+
7.0		 SAC-Harwood/Robblee
Pacific NW		 D1 Shari Levelle
(3.14) 		Tony Mattos
(3.46)
Suki Birge
(2.79) 		W 2-6
6-2
1-0		 3.28 3.36
12/02/2023 D2 Mixed 18+
8.0
SAC-Ko
Pacific NW		 W THPRD-Liang/Chen
Pacific NW
Tamara Justus (4.36) 4-6
6-3
1-0		 Xiaonan Tian (3.86)
Shannon Chen (3.50)
Match: 3.24 Rating: 3.35
11/03/2023 D1 Mixed 18+
8.0
SAC-Ko
Pacific NW		 L WHRC-Rice
Pacific NW
Sydney Taggart (4.10) 6-4
2-6
1-0		 Kimberly Quach (4.24)
Jason Dortch (3.32)
Match: 3.42 Rating: 3.40
10/28/2023 D3 Mixed 18+
7.0
SAC-Harwood
Pacific NW		 L PTC-White
Pacific NW
Cathy Gatzke (3.48) 4-6
6-1
1-0		 Nina Hanson (3.10)
Jered Cuenco (2.73)
Match: 2.78 Rating: 3.33
10/21/2023 D3 Mixed 18+
8.0
SAC-Ko
Pacific NW		 L CRRC-Ferrer/Jarvis
Pacific NW
Sydney Taggart (4.08) 6-3
7-5		 William Creger (3.94)
Paula Petrica (3.98)
Match: 3.50 Rating: 3.44
10/15/2023 D3 Mixed 18+
7.0
SAC-Harwood
Pacific NW		 W MV-Harlan
Pacific NW
Kim Tellin (3.16) 5-7
6-4
1-0		 Mary Chennault (3.72)
Michael Lemmons (2.85)
Match: 3.45 Rating: 3.43
09/29/2023 D2 Mixed 18+
7.0
SAC-Harwood
Pacific NW		 W WHRC-Jennings
Pacific NW
Timothea Barnatan (3.13) 6-3
6-2		 Amanda Lowthian (3.39)
Michael Meyers (-----)
Match: S Rating: 3.44
09/23/2023 D1 Mixed 18+
7.0
SAC-Harwood
Pacific NW		 W SHC-Bunch
Pacific NW
Kim Tellin (3.10) 6-2
7-5		 John Van Leeuwen (3.42)
Kiersten Lake (3.03)
Match: 3.55 Rating: 3.44
03/04/2023 D3 Mixed 40+
8.0
SAC-Ko/Shum
Pacific NW		 W PTC-Carrato/Kanz
Pacific NW
Julie Hansen (3.54) 6-7
7-5
1-0		 Holly Kanz (3.68)
Scott Pennington (3.80)
Match: S Rating: 3.40
02/17/2023 D1 Mixed 40+
7.0
SAC-Harwood/Robblee
Pacific NW		 L THPRD-Egger/Pham
Pacific NW
Timothea Barnatan (3.12) 6-4
7-5		 David Pham (3.88)
Maya Mori (2.91)
Match: 3.45 Rating: 3.40
02/10/2023 D2 Mixed 40+
8.0
SAC-Ko/Shum
Pacific NW		 L WHRC-Adcock
Pacific NW
Sandra Barnes (4.18) 6-4
2-6
1-0		 Frank Collie (4.28)
Suzanne Chambers (3.52)
Match: 3.53 Rating: 3.42
02/05/2023 D3 Mixed 40+
8.0
SAC-Ko/Shum
Pacific NW		 L CHARB-Wall/Bartlett
Pacific NW
Lily Looi (3.49) 4-6
6-4
1-0		 Jonathan Quon (4.06)
karen groenweghe (3.13)
Match: 3.49 Rating: 3.40
01/29/2023 D1 Mixed 40+
7.0
SAC-Harwood/Robblee
Pacific NW		 L SJRC-Floyd
Pacific NW
Theresa Berry (3.14) 6-4
6-0		 Jason Fitzgerald (3.17)
Colleen Nolan (3.54)
Match: 3.20 Rating: 3.34
01/15/2023 D1 Mixed 40+
7.0
SAC-Harwood/Robblee
Pacific NW		 W IRV-Loomis Malin/Sells
Pacific NW
Shari Levelle (3.12) 6-3
6-4		 Sharon Loomis-Malin (3.30)
Ed Schwartz (3.25)
Match: 3.53 Rating: 3.40
01/14/2023 D3 Mixed 40+
8.0
SAC-Ko/Shum
Pacific NW		 W CHARB-Wall/Bartlett
Pacific NW
Sandra Barnes (4.19) 6-3
6-2		 Kevin Oloughlin (3.50)
Patricia Sturr (3.26)
Match: 3.22 Rating: 3.34
01/06/2023 D1 Mixed 40+
7.0
SAC-Harwood/Robblee
Pacific NW		 W THPRD-Rolfe
Pacific NW
Shari Levelle (3.14) 2-6
6-2
1-0		 Tony Mattos (3.46)
Suki Birge (2.79)
Match: 3.28 Rating: 3.36
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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