Statistical Analysis and Estimated Tennis Ratings to the 10,000th of a Point
Match History (2023) View Advanced Player Stats
Cathy Gatzke (Portland, OR)
Female 		3.5 C
12/31/2023
Estimated Dynamic Rating 3.3921
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
Adult 18+ 3.5 5 3 2 0 60.0 11 7 4 63.6 93 54 39 58.1 0
Adult 40+ 3.5 4 3 1 0 75.0 10 7 3 70.0 70 42 28 60.0 0
Adult 55+ 7.0 4 2 2 0 50.0 8 4 4 50.0 75 36 39 48.0 0
Mixed 18+ 7.0 4 2 2 0 50.0 10 5 5 50.0 78 35 43 44.9 0
Mixed 40+ 7.0 3 1 2 0 33.3 7 3 4 42.9 55 24 31 43.6 0
Mixed Other 7.0 4 4 0 0 100.0 10 8 2 80.0 77 45 32 58.4 0
Total 24 15 9 0 62.5 56 34 22 60.7 448 236 212 52.7 0
Match Date League Team Court Partner Opponent(s) W/L Result Match Rating
11/19/2023 Mixed 18+
7.0		 SAC-Harwood
Pacific NW		 D2 Paul Harwood
(3.30) 		Robert Palena
(3.51)
Heidi Palena
(3.00) 		W 7-6
7-6		 3.36 3.41
11/19/2023 Adult 55+
7.0		 SAC-Xu
Pacific NW		 D1 Timothea Barnatan
(3.14) 		Kaie Wellman
(3.14)
Ann Arp
(3.46) 		L 6-3
6-1		 3.15 3.37
10/28/2023 Mixed 18+
7.0		 SAC-Harwood
Pacific NW		 D3 Sam Ko
(3.44) 		Nina Hanson
(3.10)
Jered Cuenco
(2.73) 		L 4-6
6-1
1-0		 2.82 3.38
10/08/2023 Adult 55+
7.0		 SAC-Xu
Pacific NW		 D1 Timothea Barnatan
(3.11) 		Vera Vos
(2.98)
Gale Schmidt
(3.14) 		W 6-1
7-5		 3.41 3.37
10/06/2023 Mixed 18+
7.0		 SAC-Harwood
Pacific NW		 D3 Arjun Bilakanti
(3.14) 		Jordan Keomanivanh
(3.03)
Celene Robert
(3.14) 		W 6-1
0-6
1-0		 3.27 3.48
10/01/2023 Adult 55+
7.0		 SAC-Xu
Pacific NW		 D1 Timothea Barnatan
(3.07) 		Kim Christensen
(3.18)
Janet Collier
(3.23) 		W 7-5
6-3		 3.47 3.38
09/29/2023 Mixed 18+
7.0		 SAC-Harwood
Pacific NW		 D3 Cary Gatzke
(2.50) 		Jennifer Potter
(3.06)
Skip Potter
(2.62) 		L 6-2
7-5		 3.16 3.50
09/23/2023 Adult 55+
7.0		 SAC-Xu
Pacific NW		 D1 Timothea Barnatan
(3.08) 		Andrea Vicino
(3.17)
Crystal Miller
(3.40) 		L 7-5
6-1		 3.20 3.34
06/20/2023 Adult 40+
3.5		 SAC-Marsh/Fernstrom
Pacific NW		 D1 Helen Chen
(3.43) 		Sandra Ellis
(2.97)
Sandy Swift
(3.23) 		W 6-2
6-4		 3.26 3.35
05/20/2023 Tournament
CW7.0d		 SUNSET ATHLETIC CLUB AUSTIN POWERS DOUBLES TOURNAMENT 2023 R4 Timothea Barnatan
(3.11) 		Janna McDougall
(3.40)
Mary Marsh
(3.16) 		W 4-6
6-0
1-0		 3.57 -----
05/19/2023 Tournament
CW7.0d		 SUNSET ATHLETIC CLUB AUSTIN POWERS DOUBLES TOURNAMENT 2023 R1 Timothea Barnatan
(3.11) 		Chiharu olsson
(3.04)
Susan Elmer
(2.99) 		W 7-6
6-1		 3.31 -----
05/18/2023 Tournament
CW7.0d		 SUNSET ATHLETIC CLUB AUSTIN POWERS DOUBLES TOURNAMENT 2023 R3 Timothea Barnatan
(3.11) 		Jill Boyce
(3.10)
Ellen Hodges
(3.11) 		W ----- -----
05/17/2023 Tournament
CW7.0d		 SUNSET ATHLETIC CLUB AUSTIN POWERS DOUBLES TOURNAMENT 2023 R2 Timothea Barnatan
(3.11) 		Jamie Heberlein
(2.99)
Anne Brandenburger
(3.37) 		W 6-3
6-1		 3.60 -----
05/13/2023 Adult 40+
3.5		 SAC-Marsh/Fernstrom
Pacific NW		 D1 Timothea Barnatan
(3.10) 		Kerri Patrick
(2.93)
Brooke Thompson
(3.40) 		W 6-4
1-6
1-0		 3.25 3.36
05/07/2023 Mixed Other
7.0		 SAC-Harwood
Pacific NW		 D1 Paul Harwood
(3.23) 		Trylla Lembke
(3.12)
Lee Wilcox
(2.74) 		W 6-3
2-6
1-0		 3.11 3.50
04/29/2023 Adult 40+
3.5		 SAC-Marsh/Fernstrom
Pacific NW		 D3 Robin Fernstrom
(3.11) 		Ann Cassin
(3.07)
Mary Jesse
(2.87) 		W 6-1
6-1		 3.48 3.40
04/23/2023 Mixed Other
7.0		 SAC-Harwood
Pacific NW		 D2 Cary Gatzke
(2.53) 		Michael Jansen
(3.31)
Megan Clifford
(2.75) 		W 3-6
6-3
1-0		 3.59 3.58
04/16/2023 Adult 40+
3.5		 SAC-Marsh/Fernstrom
Pacific NW		 D3 Robin Fernstrom
(3.12) 		Tove Maloco
(3.25)
Andrea Lamprecht
(3.15) 		L 6-4
3-6
1-0		 3.33 3.37
04/14/2023 Mixed Other
7.0		 SAC-Harwood
Pacific NW		 D3 Paul Harwood
(3.23) 		Chris Farentinos
(-----)
William Seidl
(2.93) 		W 6-2
6-2		 S 3.58
04/07/2023 Mixed Other
7.0		 SAC-Harwood
Pacific NW		 D3 Cary Gatzke
(2.42) 		Bill Rhoades
(3.66)
Jennifer Trank
(2.74) 		W 7-5
7-5		 3.83 3.58
03/26/2023 Tournament
NW3.5d		 VTC-NTRP and Open Tournament S Timothea Barnatan
(3.11) 		Kimberly Parks
(3.37)
Ariana White
(3.36) 		L 6-3
6-3		 3.29 -----
03/25/2023 Tournament
NW3.5d		 VTC-NTRP and Open Tournament Q Timothea Barnatan
(3.11) 		Kari Denson
(2.73)
KD Organ
(2.64) 		W 4-6
6-3
1-0		 2.89 -----
03/24/2023 Adult 18+
3.5		 SAC-Marsh/Fernstrom
Pacific NW		 D1 Timothea Barnatan
(3.12) 		Tonya Halog
(3.20)
Jackie Konen
(3.03) 		L 7-6
0-6
1-0		 3.33 3.39
03/19/2023 Adult 18+
3.5		 SAC-Marsh/Fernstrom
Pacific NW		 D1 Julie Legassick
(3.16) 		Michelle Zawadzki
(3.14)
Kristen LaBarca
(3.13) 		L 6-1
6-4		 3.00 3.35
02/10/2023 Mixed 40+
7.0		 SAC-Harwood/Robblee
Pacific NW		 D2 Cary Gatzke
(2.42) 		woohyung Kim
(2.77)
Jungyoon Kim
(3.12) 		L 6-2
3-6
1-0		 S 3.50
02/04/2023 Mixed 40+
7.0		 SAC-Harwood/Robblee
Pacific NW		 D1 Cary Gatzke
(3.12) 		Lee Wilcox
(2.75)
Jacqueline Wilcox
(3.51) 		L 6-2
6-1		 S 3.50
01/29/2023 Adult 18+
3.5		 SAC-Marsh/Fernstrom
Pacific NW		 D1 Mary Marsh
(3.27) 		Nicola Ash
(2.55)
Victoria Cartwright
(2.60) 		W 7-5
6-1		 3.11 3.39
01/27/2023 Adult 18+
3.5		 SAC-Marsh/Fernstrom
Pacific NW		 D1 Robin Fernstrom
(3.13) 		Rozita Walsh
(3.21)
kerri monello
(3.07) 		W 6-3
6-3		 3.47 3.45
01/15/2023 Mixed 40+
7.0		 SAC-Harwood/Robblee
Pacific NW		 D3 Cary Gatzke
(-----) 		jacob johnson
(-----)
Julie LaMontagne
(3.03) 		W 7-6
6-3		 S 3.50
01/08/2023 Adult 18+
3.5		 SAC-Marsh/Fernstrom
Pacific NW		 S2 Kieu Lam
(3.07) 		W 6-3
6-4		 3.23 3.41
11/19/2023 D2 Mixed 18+
7.0
SAC-Harwood
Pacific NW		 W CGM-Blunt/Palena
Pacific NW
Paul Harwood (3.30) 7-6
7-6		 Robert Palena (3.51)
Heidi Palena (3.00)
Match: 3.36 Rating: 3.41
11/19/2023 D1 Adult 55+
7.0
SAC-Xu
Pacific NW		 L N OR-GLVR-Wellman
Pacific NW
Timothea Barnatan (3.14) 6-3
6-1		 Kaie Wellman (3.14)
Ann Arp (3.46)
Match: 3.15 Rating: 3.37
10/28/2023 D3 Mixed 18+
7.0
SAC-Harwood
Pacific NW		 L PTC-White
Pacific NW
Sam Ko (3.44) 4-6
6-1
1-0		 Nina Hanson (3.10)
Jered Cuenco (2.73)
Match: 2.82 Rating: 3.38
10/08/2023 D1 Adult 55+
7.0
SAC-Xu
Pacific NW		 W MPRC-Vos/Grant
Pacific NW
Timothea Barnatan (3.11) 6-1
7-5		 Vera Vos (2.98)
Gale Schmidt (3.14)
Match: 3.41 Rating: 3.37
10/06/2023 D3 Mixed 18+
7.0
SAC-Harwood
Pacific NW		 W LOTC-Hong
Pacific NW
Arjun Bilakanti (3.14) 6-1
0-6
1-0		 Jordan Keomanivanh (3.03)
Celene Robert (3.14)
Match: 3.27 Rating: 3.48
10/01/2023 D1 Adult 55+
7.0
SAC-Xu
Pacific NW		 W SHC-Christensen
Pacific NW
Timothea Barnatan (3.07) 7-5
6-3		 Kim Christensen (3.18)
Janet Collier (3.23)
Match: 3.47 Rating: 3.38
09/29/2023 D3 Mixed 18+
7.0
SAC-Harwood
Pacific NW		 L WHRC-Jennings
Pacific NW
Cary Gatzke (2.50) 6-2
7-5		 Jennifer Potter (3.06)
Skip Potter (2.62)
Match: 3.16 Rating: 3.50
09/23/2023 D1 Adult 55+
7.0
SAC-Xu
Pacific NW		 L THPRD-Johnson/Vicino
Pacific NW
Timothea Barnatan (3.08) 7-5
6-1		 Andrea Vicino (3.17)
Crystal Miller (3.40)
Match: 3.20 Rating: 3.34
06/20/2023 D1 Adult 40+
3.5
SAC-Marsh/Fernstrom
Pacific NW		 W THPRD-Ellis/Joseph
Pacific NW
Helen Chen (3.43) 6-2
6-4		 Sandra Ellis (2.97)
Sandy Swift (3.23)
Match: 3.26 Rating: 3.35
SUNSET ATHLETIC CLUB AUSTIN POWERS DOUBLES TOURNAMENT 2023
05/20/2023 R4 Tournament
CW7.0d
W
Timothea Barnatan (3.11) 4-6
6-0
1-0		 Janna McDougall (3.40)
Mary Marsh (3.16)
Match: 3.57 Rating: -----
SUNSET ATHLETIC CLUB AUSTIN POWERS DOUBLES TOURNAMENT 2023
05/19/2023 R1 Tournament
CW7.0d
W
Timothea Barnatan (3.11) 7-6
6-1		 Chiharu olsson (3.04)
Susan Elmer (2.99)
Match: 3.31 Rating: -----
SUNSET ATHLETIC CLUB AUSTIN POWERS DOUBLES TOURNAMENT 2023
05/18/2023 R3 Tournament
CW7.0d
W
Timothea Barnatan (3.11) Jill Boyce (3.10)
Ellen Hodges (3.11)
Match: ----- Rating: -----
SUNSET ATHLETIC CLUB AUSTIN POWERS DOUBLES TOURNAMENT 2023
05/17/2023 R2 Tournament
CW7.0d
W
Timothea Barnatan (3.11) 6-3
6-1		 Jamie Heberlein (2.99)
Anne Brandenburger (3.37)
Match: 3.60 Rating: -----
05/13/2023 D1 Adult 40+
3.5
SAC-Marsh/Fernstrom
Pacific NW		 W SHC-Christensen
Pacific NW
Timothea Barnatan (3.10) 6-4
1-6
1-0		 Kerri Patrick (2.93)
Brooke Thompson (3.40)
Match: 3.25 Rating: 3.36
05/07/2023 D1 Mixed Other
7.0
SAC-Harwood
Pacific NW		 W VTC-Wilcox/Gaylor
Pacific NW
Paul Harwood (3.23) 6-3
2-6
1-0		 Trylla Lembke (3.12)
Lee Wilcox (2.74)
Match: 3.11 Rating: 3.50
04/29/2023 D3 Adult 40+
3.5
SAC-Marsh/Fernstrom
Pacific NW		 W THPRD-Ellis/Joseph
Pacific NW
Robin Fernstrom (3.11) 6-1
6-1		 Ann Cassin (3.07)
Mary Jesse (2.87)
Match: 3.48 Rating: 3.40
04/23/2023 D2 Mixed Other
7.0
SAC-Harwood
Pacific NW		 W THPRD-Clifford/Greenblatt
Pacific NW
Cary Gatzke (2.53) 3-6
6-3
1-0		 Michael Jansen (3.31)
Megan Clifford (2.75)
Match: 3.59 Rating: 3.58
04/16/2023 D3 Adult 40+
3.5
SAC-Marsh/Fernstrom
Pacific NW		 L MAC-Casebeer
Pacific NW
Robin Fernstrom (3.12) 6-4
3-6
1-0		 Tove Maloco (3.25)
Andrea Lamprecht (3.15)
Match: 3.33 Rating: 3.37
04/14/2023 D3 Mixed Other
7.0
SAC-Harwood
Pacific NW		 W IRV-Loomis-Malin
Pacific NW
Paul Harwood (3.23) 6-2
6-2		 Chris Farentinos (-----)
William Seidl (2.93)
Match: S Rating: 3.58
04/07/2023 D3 Mixed Other
7.0
SAC-Harwood
Pacific NW		 W SHC-Heck/Trank
Pacific NW
Cary Gatzke (2.42) 7-5
7-5		 Bill Rhoades (3.66)
Jennifer Trank (2.74)
Match: 3.83 Rating: 3.58
VTC-NTRP and Open Tournament
03/26/2023 S Tournament
NW3.5d
L
Timothea Barnatan (3.11) 6-3
6-3		 Kimberly Parks (3.37)
Ariana White (3.36)
Match: 3.29 Rating: -----
VTC-NTRP and Open Tournament
03/25/2023 Q Tournament
NW3.5d
W
Timothea Barnatan (3.11) 4-6
6-3
1-0		 Kari Denson (2.73)
KD Organ (2.64)
Match: 2.89 Rating: -----
03/24/2023 D1 Adult 18+
3.5
SAC-Marsh/Fernstrom
Pacific NW		 L THPRD-Blebea/Vicino
Pacific NW
Timothea Barnatan (3.12) 7-6
0-6
1-0		 Tonya Halog (3.20)
Jackie Konen (3.03)
Match: 3.33 Rating: 3.39
03/19/2023 D1 Adult 18+
3.5
SAC-Marsh/Fernstrom
Pacific NW		 L IRV-Walker/Zawadzki
Pacific NW
Julie Legassick (3.16) 6-1
6-4		 Michelle Zawadzki (3.14)
Kristen LaBarca (3.13)
Match: 3.00 Rating: 3.35
02/10/2023 D2 Mixed 40+
7.0
SAC-Harwood/Robblee
Pacific NW		 L THPRD-OKTC 7.0
Pacific NW
Cary Gatzke (2.42) 6-2
3-6
1-0		 woohyung Kim (2.77)
Jungyoon Kim (3.12)
Match: S Rating: 3.50
02/04/2023 D1 Mixed 40+
7.0
SAC-Harwood/Robblee
Pacific NW		 L VTC-Gorecki/LaFrazia
Pacific NW
Cary Gatzke (3.12) 6-2
6-1		 Lee Wilcox (2.75)
Jacqueline Wilcox (3.51)
Match: S Rating: 3.50
01/29/2023 D1 Adult 18+
3.5
SAC-Marsh/Fernstrom
Pacific NW		 W GLVR-McCarter/Nguyen
Pacific NW
Mary Marsh (3.27) 7-5
6-1		 Nicola Ash (2.55)
Victoria Cartwright (2.60)
Match: 3.11 Rating: 3.39
01/27/2023 D1 Adult 18+
3.5
SAC-Marsh/Fernstrom
Pacific NW		 W SHC-Christensen
Pacific NW
Robin Fernstrom (3.13) 6-3
6-3		 Rozita Walsh (3.21)
kerri monello (3.07)
Match: 3.47 Rating: 3.45
01/15/2023 D3 Mixed 40+
7.0
SAC-Harwood/Robblee
Pacific NW		 W IRV-Loomis Malin/Sells
Pacific NW
Cary Gatzke (-----) 7-6
6-3		 jacob johnson (-----)
Julie LaMontagne (3.03)
Match: S Rating: 3.50
01/08/2023 S2 Adult 18+
3.5
SAC-Marsh/Fernstrom
Pacific NW		 W VTC-Jones
Pacific NW
6-3
6-4		 Kieu Lam (3.07)
Match: 3.23 Rating: 3.41
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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