Statistical Analysis and Estimated Tennis Ratings to the 10,000th of a Point
Match History (2019) View Advanced Player Stats
Jan Cockreham (Port Orchard, WA)
Female 		3.5 C
12/31/2024
Estimated Dynamic Rating 3.3068
4/24/2025
Projected Year End Rating ------
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3.5 Rating Meter
Rating Meter
3.0001 - 3.5000
Recent Match History Current Rating History
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 1 2 0 33.3 7 3 4 42.9 50 27 23 54.0 0
Adult 55+ 7.0 1 0 1 0 0.0 3 1 2 33.3 18 7 11 38.9 0
Adult 55+ 8.0 8 6 2 0 75.0 18 12 6 66.7 142 80 62 56.3 0
Mixed 18+ 7.0 4 2 2 0 50.0 9 5 4 55.6 77 43 34 55.8 0
Mixed 18+ 8.0 1 0 1 0 0.0 2 0 2 0.0 13 1 12 7.7 0
Mixed 40+ 7.0 2 0 2 0 0.0 4 0 4 0.0 37 13 24 35.1 0
Mixed 40+ 8.0 4 1 3 0 25.0 10 4 6 40.0 85 40 45 47.1 1
Mixed Other 7.0 1 0 1 0 0.0 2 0 2 0.0 25 11 14 44.0 0
Mixed Other 8.0 4 2 2 0 50.0 9 5 4 55.6 70 37 33 52.9 0
Total 28 12 16 0 42.9 64 30 34 46.9 517 259 258 50.1 1
Match Date League Team Court Partner Opponent(s) W/L Result Match Rating
11/10/2019 Mixed 18+
7.0		 GTC Pinyerd-Snow
Pacific NW		 D2 Nathan Rettke
(2.78) 		Marty Merriott
(2.91)
Tracey Hoy
(3.27) 		W 6-3
6-4		 3.63 3.61
11/10/2019 Adult 55+
8.0		 GTC Moll
Pacific NW		 D2 Betty Hummer
(3.58) 		Linda Berghoff
(3.86)
Yi Zhao
(3.20) 		W 6-2
6-3		 3.74 3.57
11/02/2019 Mixed 18+
7.0		 GTC Pinyerd-Snow
Pacific NW		 D1 Nathan Rettke
(2.92) 		Rocio Barboza
(3.33)
Clarence Hollins
(3.11) 		L 6-4
6-3		 3.42 3.57
11/02/2019 Adult 55+
8.0		 GTC Moll
Pacific NW		 D2 Betty Hummer
(3.52) 		Stacey Nelson
(3.66)
Karen Schrank
(3.28) 		W 5-7
6-1
1-0		 3.57 3.53
10/20/2019 Mixed 18+
8.0		 GTC Pinyerd Mxd 18 8.0
Pacific NW		 D1 Thomas Donovan
(3.54) 		Chanel Nielsen
(3.93)
Roy Seeman
(3.97) 		L 6-1
6-0		 3.57 3.61
10/13/2019 Adult 55+
8.0		 GTC Moll
Pacific NW		 D2 Betty Hummer
(3.58) 		Ludy Kellett
(3.50)
Donna Sasaki
(3.46) 		W 1-6
6-2
1-0		 3.43 3.51
10/06/2019 Mixed 18+
7.0		 GTC Pinyerd-Snow
Pacific NW		 D2 Michael Palais
(2.41) 		Troy Kelley
(3.42)
Diane Kelley
(2.79) 		L 3-6
7-6
1-0		 3.71 3.64
09/29/2019 Mixed Other
8.0
Sectionals		 Kitsap Sugimoto Mxd55
Pacific NW		 D2 Peter Magrini
(3.78) 		Vincent La Cava
(3.86)
Liz Suver
(3.80) 		L 6-1
6-2		 3.43 3.57
09/28/2019 Mixed Other
8.0
Sectionals		 Kitsap Sugimoto Mxd55
Pacific NW		 D3 Peter Magrini
(3.77) 		Rick Karlin
(3.60)
Julia Karlin
(3.47) 		W 6-2
6-2		 3.76 3.66
09/21/2019 Mixed 18+
7.0		 GTC Pinyerd-Snow
Pacific NW		 D3 Nathan Rettke
(2.86) 		Debbie Ost
(2.64)
Petri Semon
(3.53) 		W 6-1
6-3		 3.72 3.64
09/21/2019 Adult 55+
8.0		 GTC Moll
Pacific NW		 D2 Kay Almer
(3.36) 		Julie Gubbe
(3.32)
Barb Litchfield
(3.70) 		L 6-2
6-3		 3.36 3.49
09/15/2019 Adult 55+
8.0		 GTC Moll
Pacific NW		 D3 Brooke Kelley
(3.49) 		Doreen Gavin
(3.07)
Chong Hilger
(3.28) 		W 6-1
6-1		 3.60 3.55
08/17/2019 Mixed Other
8.0		 Kitsap Sugimoto Mxd55
Pacific NW		 D3 Michael Sechrest
(3.69) 		Jim Pritchard
(3.37)
Laurie Giebelhaus
(3.52) 		L 5-7
6-3
1-0		 3.38 3.56
08/04/2019 Mixed Other
8.0		 Kitsap Sugimoto Mxd55
Pacific NW		 D1 John Cattell
(3.64) 		PAYMON KAMKAR
(3.59)
Kathy Hunter
(3.52) 		W 6-2
6-3		 3.79 3.66
07/28/2019 Mixed Other
7.0		 KTAC Cattell
Pacific NW		 D3 Rich Scheele
(2.61) 		Leonard Reed
(3.17)
Amalia Christman
(3.47) 		L 7-5
7-6		 3.74 3.64
07/07/2019 Mixed 40+
8.0		 GTC Pinyerd 8.0
Pacific NW		 D2 Stefan Green
(3.93) 		Gemma Gimpes
(3.49)
Ramachandran Ravi
(3.60) 		L 7-5
4-6
1-0		 3.36 3.57
07/03/2019 Mixed 40+
8.0		 GTC Pinyerd 8.0
Pacific NW		 D3 Thomas Donovan
(3.77) 		Lindsey Snow
(3.53)
Troy Kelley
(3.48) 		W 6-4
6-4		 S 3.62
06/26/2019 Mixed 40+
8.0		 GTC Pinyerd 8.0
Pacific NW		 D3 Stefan Green
(-----) 		Default W 6-0
6-0		 ----- -----
06/21/2019 Mixed 40+
8.0		 GTC Pinyerd 8.0
Pacific NW		 D3 Greg Schermerhorn
(3.64) 		Karin Mattson
(3.52)
Robert Mattson
(3.09) 		L 6-4
6-2		 S 3.62
06/09/2019 Mixed 40+
7.0		 CKHS Cockreham-Boyett
Pacific NW		 D3 Kenneth Kidder
(2.60) 		Darran Hanson
(2.98)
Sheri Borden
(3.38) 		L 6-3
6-4		 3.55 3.62
06/09/2019 Adult 18+
4.0		 GTC Maison A18
Pacific NW		 D3 Vicki Moll
(3.53) 		Angela Keck
(3.72)
Rachel Lovingfoss
(3.32) 		L 2-6
6-4
1-0		 S 3.57
06/02/2019 Mixed 40+
7.0		 CKHS Cockreham-Boyett
Pacific NW		 D1 Kenneth Kidder
(2.63) 		Reva Wallace
(3.70)
Peter Watson
(2.79) 		L 6-4
6-2		 3.58 3.64
05/31/2019 Mixed 40+
8.0		 GTC Pinyerd 8.0
Pacific NW		 D1 Greg Schermerhorn
(4.13) 		Liana Hunsaker
(3.70)
Matthew Gavern
(3.52) 		L 6-4
6-7
1-0		 S 3.69
04/13/2019 Adult 55+
8.0		 GTC Giske-Mickelson
Pacific NW		 D3 Kay Almer
(3.41) 		Young Hansen
(3.51)
Rebecca Lawson
(3.38) 		W 6-3
6-1		 3.77 3.57
04/07/2019 Adult 18+
4.0		 GTC Maison A18
Pacific NW		 D2 Vicki Moll
(3.53) 		Bonnie Wood
(3.81)
Heidi Droll
(3.40) 		L 6-1
6-4		 3.37 3.48
03/31/2019 Adult 18+
4.0		 GTC Maison A18
Pacific NW		 D2 Vicki Moll
(3.47) 		Micki Hulscher
(3.16)
Kathleen Smoots
(3.49) 		W 6-2
6-0		 3.70 3.55
02/17/2019 Adult 55+
8.0		 GTC Giske-Mickelson
Pacific NW		 D2 Kay Almer
(3.51) 		Patti Johnson
(3.54)
Melanie Redding
(3.55) 		L 6-4
6-1		 3.31 3.46
02/02/2019 Adult 55+
7.0		 KTAC Kraft-Engelhard
Pacific NW		 D3 Shirley Hilt
(2.87) 		Penny Eisenberg
(2.87)
Bonnie Wood
(3.87) 		L 4-6
6-1
1-0		 3.57 3.54
01/12/2019 Adult 55+
8.0		 GTC Giske-Mickelson
Pacific NW		 D3 Vicki Moll
(3.52) 		Chong Hilger
(3.29)
Cindy Guild
(3.58) 		W 7-6
7-5		 3.48 3.51
11/10/2019 D2 Mixed 18+
7.0
GTC Pinyerd-Snow
Pacific NW		 W VAC Herrick
Pacific NW
Nathan Rettke (2.78) 6-3
6-4		 Marty Merriott (2.91)
Tracey Hoy (3.27)
Match: 3.63 Rating: 3.61
11/10/2019 D2 Adult 55+
8.0
GTC Moll
Pacific NW		 W VAC Redding-Johnson
Pacific NW
Betty Hummer (3.58) 6-2
6-3		 Linda Berghoff (3.86)
Yi Zhao (3.20)
Match: 3.74 Rating: 3.57
11/02/2019 D1 Mixed 18+
7.0
GTC Pinyerd-Snow
Pacific NW		 L Jupiter Acers
Pacific NW
Nathan Rettke (2.92) 6-4
6-3		 Rocio Barboza (3.33)
Clarence Hollins (3.11)
Match: 3.42 Rating: 3.57
11/02/2019 D2 Adult 55+
8.0
GTC Moll
Pacific NW		 W STAC Guptill
Pacific NW
Betty Hummer (3.52) 5-7
6-1
1-0		 Stacey Nelson (3.66)
Karen Schrank (3.28)
Match: 3.57 Rating: 3.53
10/20/2019 D1 Mixed 18+
8.0
GTC Pinyerd Mxd 18 8.0
Pacific NW		 L STACked
Pacific NW
Thomas Donovan (3.54) 6-1
6-0		 Chanel Nielsen (3.93)
Roy Seeman (3.97)
Match: 3.57 Rating: 3.61
10/13/2019 D2 Adult 55+
8.0
GTC Moll
Pacific NW		 W GTC Coady-Sasaki
Pacific NW
Betty Hummer (3.58) 1-6
6-2
1-0		 Ludy Kellett (3.50)
Donna Sasaki (3.46)
Match: 3.43 Rating: 3.51
10/06/2019 D2 Mixed 18+
7.0
GTC Pinyerd-Snow
Pacific NW		 L TLTC Ray
Pacific NW
Michael Palais (2.41) 3-6
7-6
1-0		 Troy Kelley (3.42)
Diane Kelley (2.79)
Match: 3.71 Rating: 3.64
09/29/2019 D2 Mixed Other
8.0
Sectionals
Kitsap Sugimoto Mxd55
Pacific NW		 L STC-Anderson
Pacific NW
Peter Magrini (3.78) 6-1
6-2		 Vincent La Cava (3.86)
Liz Suver (3.80)
Match: 3.43 Rating: 3.57
09/28/2019 D3 Mixed Other
8.0
Sectionals
Kitsap Sugimoto Mxd55
Pacific NW		 W THPRD-Soiffer
Pacific NW
Peter Magrini (3.77) 6-2
6-2		 Rick Karlin (3.60)
Julia Karlin (3.47)
Match: 3.76 Rating: 3.66
09/21/2019 D3 Mixed 18+
7.0
GTC Pinyerd-Snow
Pacific NW		 W LRC Asian Tsunami
Pacific NW
Nathan Rettke (2.86) 6-1
6-3		 Debbie Ost (2.64)
Petri Semon (3.53)
Match: 3.72 Rating: 3.64
09/21/2019 D2 Adult 55+
8.0
GTC Moll
Pacific NW		 L VAC VandenBerg
Pacific NW
Kay Almer (3.36) 6-2
6-3		 Julie Gubbe (3.32)
Barb Litchfield (3.70)
Match: 3.36 Rating: 3.49
09/15/2019 D3 Adult 55+
8.0
GTC Moll
Pacific NW		 W TLTC Wilson-McPhee
Pacific NW
Brooke Kelley (3.49) 6-1
6-1		 Doreen Gavin (3.07)
Chong Hilger (3.28)
Match: 3.60 Rating: 3.55
08/17/2019 D3 Mixed Other
8.0
Kitsap Sugimoto Mxd55
Pacific NW		 L Advanced Hit Squad
Pacific NW
Michael Sechrest (3.69) 5-7
6-3
1-0		 Jim Pritchard (3.37)
Laurie Giebelhaus (3.52)
Match: 3.38 Rating: 3.56
08/04/2019 D1 Mixed Other
8.0
Kitsap Sugimoto Mxd55
Pacific NW		 W Advanced Hit Squad
Pacific NW
John Cattell (3.64) 6-2
6-3		 PAYMON KAMKAR (3.59)
Kathy Hunter (3.52)
Match: 3.79 Rating: 3.66
07/28/2019 D3 Mixed Other
7.0
KTAC Cattell
Pacific NW		 L Young Guns
Pacific NW
Rich Scheele (2.61) 7-5
7-6		 Leonard Reed (3.17)
Amalia Christman (3.47)
Match: 3.74 Rating: 3.64
07/07/2019 D2 Mixed 40+
8.0
GTC Pinyerd 8.0
Pacific NW		 L LRC Asian Tsunami
Pacific NW
Stefan Green (3.93) 7-5
4-6
1-0		 Gemma Gimpes (3.49)
Ramachandran Ravi (3.60)
Match: 3.36 Rating: 3.57
07/03/2019 D3 Mixed 40+
8.0
GTC Pinyerd 8.0
Pacific NW		 W TLTC Maison-McLaughlin
Pacific NW
Thomas Donovan (3.77) 6-4
6-4		 Lindsey Snow (3.53)
Troy Kelley (3.48)
Match: S Rating: 3.62
06/26/2019 D3 Mixed 40+
8.0
GTC Pinyerd 8.0
Pacific NW		 W Lakewood Tennis United
Pacific NW
Stefan Green (-----) 6-0
6-0		 Default
Match: ----- Rating: -----
06/21/2019 D3 Mixed 40+
8.0
GTC Pinyerd 8.0
Pacific NW		 L PHS Shirreff
Pacific NW
Greg Schermerhorn (3.64) 6-4
6-2		 Karin Mattson (3.52)
Robert Mattson (3.09)
Match: S Rating: 3.62
06/09/2019 D3 Mixed 40+
7.0
CKHS Cockreham-Boyett
Pacific NW		 L FHS Hanson
Pacific NW
Kenneth Kidder (2.60) 6-3
6-4		 Darran Hanson (2.98)
Sheri Borden (3.38)
Match: 3.55 Rating: 3.62
06/09/2019 D3 Adult 18+
4.0
GTC Maison A18
Pacific NW		 L STAC Wallace
Pacific NW
Vicki Moll (3.53) 2-6
6-4
1-0		 Angela Keck (3.72)
Rachel Lovingfoss (3.32)
Match: S Rating: 3.57
06/02/2019 D1 Mixed 40+
7.0
CKHS Cockreham-Boyett
Pacific NW		 L STAC Wallace 7.0
Pacific NW
Kenneth Kidder (2.63) 6-4
6-2		 Reva Wallace (3.70)
Peter Watson (2.79)
Match: 3.58 Rating: 3.64
05/31/2019 D1 Mixed 40+
8.0
GTC Pinyerd 8.0
Pacific NW		 L Mid-Court Crisis-CKHS
Pacific NW
Greg Schermerhorn (4.13) 6-4
6-7
1-0		 Liana Hunsaker (3.70)
Matthew Gavern (3.52)
Match: S Rating: 3.69
04/13/2019 D3 Adult 55+
8.0
GTC Giske-Mickelson
Pacific NW		 W VAC VandenBerg
Pacific NW
Kay Almer (3.41) 6-3
6-1		 Young Hansen (3.51)
Rebecca Lawson (3.38)
Match: 3.77 Rating: 3.57
04/07/2019 D2 Adult 18+
4.0
GTC Maison A18
Pacific NW		 L VAC Hunter A18
Pacific NW
Vicki Moll (3.53) 6-1
6-4		 Bonnie Wood (3.81)
Heidi Droll (3.40)
Match: 3.37 Rating: 3.48
03/31/2019 D2 Adult 18+
4.0
GTC Maison A18
Pacific NW		 W TLTC Wilson-Smeall
Pacific NW
Vicki Moll (3.47) 6-2
6-0		 Micki Hulscher (3.16)
Kathleen Smoots (3.49)
Match: 3.70 Rating: 3.55
02/17/2019 D2 Adult 55+
8.0
GTC Giske-Mickelson
Pacific NW		 L VAC Wood 8.0W
Pacific NW
Kay Almer (3.51) 6-4
6-1		 Patti Johnson (3.54)
Melanie Redding (3.55)
Match: 3.31 Rating: 3.46
02/02/2019 D3 Adult 55+
7.0
KTAC Kraft-Engelhard
Pacific NW		 L VAC Koeppen
Pacific NW
Shirley Hilt (2.87) 4-6
6-1
1-0		 Penny Eisenberg (2.87)
Bonnie Wood (3.87)
Match: 3.57 Rating: 3.54
01/12/2019 D3 Adult 55+
8.0
GTC Giske-Mickelson
Pacific NW		 W TLTC Seaman
Pacific NW
Vicki Moll (3.52) 7-6
7-5		 Chong Hilger (3.29)
Cindy Guild (3.58)
Match: 3.48 Rating: 3.51
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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