Statistical Analysis and Estimated Tennis Ratings to the 10,000th of a Point
Match History (2019) View Advanced Player Stats
Sonnie Koko (Honolulu, HI)
Female 		4.0 C
12/31/2023
Estimated Dynamic Rating 3.9147
6/2/2024
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
League/Level Total
Matches		 Win Loss Tie WPct Total
Sets		 Win Loss WPct Total
Games		 Win Loss WPct Defaults
Adult 18+ 4.0 7 5 2 0 71.4 17 12 5 70.6 122 75 47 61.5 0
Adult 40+ 4.0 7 4 3 0 57.1 18 10 8 55.6 133 77 56 57.9 0
Flex Format 8.0 3 3 0 0 100.0 9 6 3 66.7 59 31 28 52.5 0
Mixed 18+ 8.0 5 3 2 0 60.0 11 5 6 45.5 91 47 44 51.6 0
Mixed 40+ 8.0 3 2 1 0 66.7 6 4 2 66.7 48 31 17 64.6 0
Total 25 17 8 0 68.0 61 37 24 60.7 453 261 192 57.6 0
Match Date League Team Court Partner Opponent(s) W/L Result Match Rating
11/02/2019 Flex Format
8.0		 Team 96797
Hawaii		 D1F Laura Merrifield
(3.81) 		Cori Takimoto
(3.58)
Charlene Dannenberg
(3.41) 		W 6-4
4-6
1-0		 3.53 -----
10/26/2019 Flex Format
8.0		 Team 96797
Hawaii		 D1X Lloyd Yamada
(3.52) 		Thomas Yoshida
(3.34)
Morrisa Kahakui
(4.17) 		W 6-2
2-6
1-0		 3.94 -----
09/28/2019 Flex Format
8.0		 Team 96797
Hawaii		 D1F Lyn Joson
(3.83) 		Catherine Fukada
(3.85)
Kimi Gabbard
(3.91) 		W 6-4
4-6
1-0		 3.90 -----
08/04/2019 Mixed 40+
8.0		 Team Cross Court Hawaii
Hawaii		 D2 Jon Kinoshita
(3.96) 		Daniel Loo
(4.05)
Cherie Dang
(3.34) 		W 6-2
6-0		 4.04 3.89
07/21/2019 Mixed 40+
8.0		 Team Cross Court Hawaii
Hawaii		 D3 Garrett Tanouye
(3.42) 		Eric Chen
(3.45)
Jony Conching
(3.60) 		W 6-3
6-0		 4.04 3.88
07/07/2019 Mixed 40+
8.0		 Team Cross Court Hawaii
Hawaii		 D2 Herbert Lato
(3.90) 		Kirk Horiuchi
(3.68)
Lori Nakamura
(3.77) 		L 6-3
6-4		 3.55 3.77
06/15/2019 Adult 18+
4.0		 Hot Shots
Hawaii		 S1 Chanel Hebaru
(3.78) 		L 2-6
6-4
1-0		 3.81 3.79
06/08/2019 Adult 18+
4.0		 Hot Shots
Hawaii		 S1 Kathleen Connolly
(3.45) 		W 6-4
6-0		 3.74 3.77
05/25/2019 Adult 18+
4.0		 Hot Shots
Hawaii		 S1 Ellen Ramantin
(3.50) 		W 6-2
6-3		 3.74 3.79
05/18/2019 Adult 18+
4.0		 Hot Shots
Hawaii		 D3 Charlene Dannenberg
(3.29) 		aileen onodera-yuh
(3.55)
Karen Howes
(3.47) 		L 6-1
2-6
1-0		 3.69 3.77
05/11/2019 Adult 18+
4.0		 Hot Shots
Hawaii		 S2 Leah Yamamoto
(3.63) 		W 7-6
6-2		 3.75 3.79
05/09/2019 Adult 18+
4.0		 Hot Shots
Hawaii		 S2 Kelley Baba
(3.80) 		W 6-2
6-2		 4.09 3.84
04/27/2019 Adult 18+
4.0		 Hot Shots
Hawaii		 S1 Jacqueline Rush Lee
(3.75) 		W 6-2
2-6
1-0		 3.78 3.77
03/16/2019 Adult 40+
4.0		 Viva Tennis
Hawaii		 D1 Setsuko Tamura
(3.41) 		Suzanne Bernstein
(3.19)
Laurie Siegfried
(3.17) 		W 6-1
6-0		 3.81 3.77
03/10/2019 Mixed 18+
8.0
Flight		 Disaster Inc. 8.0
Hawaii		 D2 Michael Denny
(3.52) 		Jackson Fong
(3.81)
Leah Yamamoto
(4.04) 		W 5-7
3-4		 4.01 3.85
03/09/2019 Adult 40+
4.0		 Viva Tennis
Hawaii		 D2 Francine Lam
(3.44) 		Karen Howes
(3.51)
Patricia Moore
(3.41) 		W 6-4
6-4		 3.72 3.76
03/02/2019 Adult 40+
4.0		 Viva Tennis
Hawaii		 D1 Laura Merrifield
(3.73) 		Elaina Hall
(3.76)
Noriko Tamamoto
(3.74) 		L 2-6
7-5
1-0		 3.78 3.78
02/26/2019 Adult 40+
4.0		 Viva Tennis
Hawaii		 D3 Gwen Yoshimoto
(3.74) 		Toni Agustin
(3.84)
Laura Devilbiss
(3.32) 		L 6-4
2-6
1-0		 3.64 3.75
02/24/2019 Mixed 18+
8.0		 Disaster Inc. 8.0
Hawaii		 D1 Herbert Lato
(3.66) 		Jo Ann Hirata
(3.86)
Kevin Shimata
(3.65) 		W 6-2
7-5		 3.99 3.84
02/09/2019 Adult 40+
4.0		 Viva Tennis
Hawaii		 S1 Noel Salter
(3.94) 		L 7-6
6-4		 3.87 3.80
01/27/2019 Mixed 18+
8.0		 Disaster Inc. 8.0
Hawaii		 D2 Tristan Kaonohi
(4.08) 		Warlo Pasicaran
(4.02)
Lyn Joson
(3.89) 		L 6-2
0-6
1-0		 S 3.78
01/26/2019 Adult 40+
4.0		 Viva Tennis
Hawaii		 D2 Gwen Yoshimoto
(3.75) 		Jennifer Clark
(3.66)
Catherine Fukada
(3.66) 		W 6-1
4-6
1-0		 3.79 3.78
01/13/2019 Mixed 18+
8.0		 Disaster Inc. 8.0
Hawaii		 D1 Herbert Lato
(3.58) 		Richard Gregory
(4.32)
Janet Fujiyama
(3.39) 		L 6-1
6-4		 3.72 3.78
01/06/2019 Mixed 18+
8.0		 Disaster Inc. 8.0
Hawaii		 D2 Herbert Lato
(3.51) 		Kellen Higa
(4.14)
Anna Womack
(3.38) 		W 6-1
7-6		 4.05 3.80
01/05/2019 Adult 40+
4.0		 Viva Tennis
Hawaii		 D2 Gwen Yoshimoto
(3.71) 		Wendy Barbary
(3.90)
Cheryl Yoshida
(3.72) 		W 6-2
4-6
1-0		 3.90 3.77
11/02/2019 D1F Flex Format
8.0
Team 96797
Hawaii		 W KPR
Hawaii
Laura Merrifield (3.81) 6-4
4-6
1-0		 Cori Takimoto (3.58)
Charlene Dannenberg (3.41)
Match: 3.53 Rating: -----
10/26/2019 D1X Flex Format
8.0
Team 96797
Hawaii		 W Goma Tei
Hawaii
Lloyd Yamada (3.52) 6-2
2-6
1-0		 Thomas Yoshida (3.34)
Morrisa Kahakui (4.17)
Match: 3.94 Rating: -----
09/28/2019 D1F Flex Format
8.0
Team 96797
Hawaii		 W KRC All Mixed Up
Hawaii
Lyn Joson (3.83) 6-4
4-6
1-0		 Catherine Fukada (3.85)
Kimi Gabbard (3.91)
Match: 3.90 Rating: -----
08/04/2019 D2 Mixed 40+
8.0
Team Cross Court Hawaii
Hawaii		 W NEXX Cobra Kai
Hawaii
Jon Kinoshita (3.96) 6-2
6-0		 Daniel Loo (4.05)
Cherie Dang (3.34)
Match: 4.04 Rating: 3.89
07/21/2019 D3 Mixed 40+
8.0
Team Cross Court Hawaii
Hawaii		 W OC Mixed Nuts
Hawaii
Garrett Tanouye (3.42) 6-3
6-0		 Eric Chen (3.45)
Jony Conching (3.60)
Match: 4.04 Rating: 3.88
07/07/2019 D2 Mixed 40+
8.0
Team Cross Court Hawaii
Hawaii		 L A Team Has No Game
Hawaii
Herbert Lato (3.90) 6-3
6-4		 Kirk Horiuchi (3.68)
Lori Nakamura (3.77)
Match: 3.55 Rating: 3.77
06/15/2019 S1 Adult 18+
4.0
Hot Shots
Hawaii		 L Oahu - Shot Girls
Hawaii
2-6
6-4
1-0		 Chanel Hebaru (3.78)
Match: 3.81 Rating: 3.79
06/08/2019 S1 Adult 18+
4.0
Hot Shots
Hawaii		 W OC Love Tennis
Hawaii
6-4
6-0		 Kathleen Connolly (3.45)
Match: 3.74 Rating: 3.77
05/25/2019 S1 Adult 18+
4.0
Hot Shots
Hawaii		 W We Will "Break" You
Hawaii
6-2
6-3		 Ellen Ramantin (3.50)
Match: 3.74 Rating: 3.79
05/18/2019 D3 Adult 18+
4.0
Hot Shots
Hawaii		 L Tennis Buds
Hawaii
Charlene Dannenberg (3.29) 6-1
2-6
1-0		 aileen onodera-yuh (3.55)
Karen Howes (3.47)
Match: 3.69 Rating: 3.77
05/11/2019 S2 Adult 18+
4.0
Hot Shots
Hawaii		 W Terminetters
Hawaii
7-6
6-2		 Leah Yamamoto (3.63)
Match: 3.75 Rating: 3.79
05/09/2019 S2 Adult 18+
4.0
Hot Shots
Hawaii		 W SURF & VOLLEY
Hawaii
6-2
6-2		 Kelley Baba (3.80)
Match: 4.09 Rating: 3.84
04/27/2019 S1 Adult 18+
4.0
Hot Shots
Hawaii		 W KRC Cosmo Ladies
Hawaii
6-2
2-6
1-0		 Jacqueline Rush Lee (3.75)
Match: 3.78 Rating: 3.77
03/16/2019 D1 Adult 40+
4.0
Viva Tennis
Hawaii		 W Tennis Buds
Hawaii
Setsuko Tamura (3.41) 6-1
6-0		 Suzanne Bernstein (3.19)
Laurie Siegfried (3.17)
Match: 3.81 Rating: 3.77
03/10/2019 D2 Mixed 18+
8.0
Flight
Disaster Inc. 8.0
Hawaii		 W Oahu - RDO
Hawaii
Michael Denny (3.52) 5-7
3-4		 Jackson Fong (3.81)
Leah Yamamoto (4.04)
Match: 4.01 Rating: 3.85
03/09/2019 D2 Adult 40+
4.0
Viva Tennis
Hawaii		 W Kinipopo
Hawaii
Francine Lam (3.44) 6-4
6-4		 Karen Howes (3.51)
Patricia Moore (3.41)
Match: 3.72 Rating: 3.76
03/02/2019 D1 Adult 40+
4.0
Viva Tennis
Hawaii		 L Team Donna
Hawaii
Laura Merrifield (3.73) 2-6
7-5
1-0		 Elaina Hall (3.76)
Noriko Tamamoto (3.74)
Match: 3.78 Rating: 3.78
02/26/2019 D3 Adult 40+
4.0
Viva Tennis
Hawaii		 L Waialae
Hawaii
Gwen Yoshimoto (3.74) 6-4
2-6
1-0		 Toni Agustin (3.84)
Laura Devilbiss (3.32)
Match: 3.64 Rating: 3.75
02/24/2019 D1 Mixed 18+
8.0
Disaster Inc. 8.0
Hawaii		 W Slam Musubi
Hawaii
Herbert Lato (3.66) 6-2
7-5		 Jo Ann Hirata (3.86)
Kevin Shimata (3.65)
Match: 3.99 Rating: 3.84
02/09/2019 S1 Adult 40+
4.0
Viva Tennis
Hawaii		 L Main Draw
Hawaii
7-6
6-4		 Noel Salter (3.94)
Match: 3.87 Rating: 3.80
01/27/2019 D2 Mixed 18+
8.0
Disaster Inc. 8.0
Hawaii		 L KPR
Hawaii
Tristan Kaonohi (4.08) 6-2
0-6
1-0		 Warlo Pasicaran (4.02)
Lyn Joson (3.89)
Match: S Rating: 3.78
01/26/2019 D2 Adult 40+
4.0
Viva Tennis
Hawaii		 W KRC Cosmo
Hawaii
Gwen Yoshimoto (3.75) 6-1
4-6
1-0		 Jennifer Clark (3.66)
Catherine Fukada (3.66)
Match: 3.79 Rating: 3.78
01/13/2019 D1 Mixed 18+
8.0
Disaster Inc. 8.0
Hawaii		 L Hit squad
Hawaii
Herbert Lato (3.58) 6-1
6-4		 Richard Gregory (4.32)
Janet Fujiyama (3.39)
Match: 3.72 Rating: 3.78
01/06/2019 D2 Mixed 18+
8.0
Disaster Inc. 8.0
Hawaii		 W No Strings Attached
Hawaii
Herbert Lato (3.51) 6-1
7-6		 Kellen Higa (4.14)
Anna Womack (3.38)
Match: 4.05 Rating: 3.80
01/05/2019 D2 Adult 40+
4.0
Viva Tennis
Hawaii		 W Shot Girls
Hawaii
Gwen Yoshimoto (3.71) 6-2
4-6
1-0		 Wendy Barbary (3.90)
Cheryl Yoshida (3.72)
Match: 3.90 Rating: 3.77
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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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