Statistical Analysis and Estimated Tennis Ratings to the 10,000th of a Point
Match History (2023) View Advanced Player Stats
Catherine Diego (Petaluma, CA)
Female 		4.0 C
12/31/2023
Estimated Dynamic Rating 3.5772
7/23/2024
Projected Year End Rating ------
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4.0 Rating Meter
Rating Meter
3.5001 - 4.0000
Recent Match History Current Rating History
2023 Overall Rating Season
League/Level Total
Matches		 Win Loss Tie WPct Total
Sets		 Win Loss WPct Total
Games		 Win Loss WPct Defaults
Adult 18+ 4.0 3 0 3 0 0.0 9 3 6 33.3 55 24 31 43.6 0
Combo 7.5 5 4 1 0 80.0 11 8 3 72.7 91 52 39 57.1 0
Mixed 18+ 8.0 2 1 1 0 50.0 4 2 2 50.0 44 23 21 52.3 0
Mixed 40+ 8.0 3 0 3 0 0.0 6 0 6 0.0 55 18 37 32.7 0
Mixed Other 8.0 8 3 5 0 37.5 20 7 13 35.0 157 70 87 44.6 0
Total 21 8 13 0 38.1 50 20 30 40.0 402 187 215 46.5 0
Match Date League Team Court Partner Opponent(s) W/L Result Match Rating
10/29/2023 Mixed Other
8.0		 ROLLING HILLS 55MX8.0A
No California		 D3 John Ybarra
(3.50) 		Tina Skouras
(3.63)
Igor Scherba
(3.65) 		L 7-6
6-3		 3.63 3.64
10/14/2023 Mixed Other
8.0		 ROLLING HILLS 55MX8.0A
No California		 D2 Peter Kennedy
(3.57) 		Charley Hoefer
(3.79)
Regina Seaborg
(3.54) 		W 6-1
1-6
1-0		 3.75 3.66
10/04/2023 Mixed Other
8.0		 ROLLING HILLS 55MX8.0A
No California		 D2 Toby Tyler
(3.65) 		David Wilson
(3.86)
Bee Tan
(3.72) 		W 6-3
4-6
1-0		 3.82 3.67
10/01/2023 Combo
7.5		 ROLLING HILLS CW7.5A
No California		 D2 Kristine Banton
(3.20) 		Adrienne Murphy
(-----)
Ali Fenn
(3.36) 		W 6-2
1-6
1-0		 S -----
09/24/2023 Combo
7.5		 ROLLING HILLS CW7.5A
No California		 D3 Ryane Linford
(3.14) 		Nancy Hecht
(3.39)
Allison Hart
(3.51) 		W 6-2
6-3		 3.91 -----
09/10/2023 Combo
7.5		 ROLLING HILLS CW7.5A
No California		 D3 Doreen Drucker
(-----) 		Debra Hakman
(3.57)
Tracey Porter
(3.48) 		L 6-3
6-3		 S -----
09/09/2023 Mixed Other
8.0		 ROLLING HILLS 55MX8.0A
No California		 D1 Toby Tyler
(3.68) 		Regina Seaborg
(3.53)
Roark Vandien
(3.76) 		L 5-7
7-6
1-0		 3.61 3.61
09/03/2023 Mixed Other
8.0		 ROLLING HILLS 55MX8.0A
No California		 D3 Peter Halpern
(3.49) 		Daru Kawalkowski
(3.69)
Joseph Sherer
(3.72) 		L 6-4
6-2		 3.58 3.61
07/29/2023 Mixed 40+
8.0		 ROLLING HILLS 40MX8.0A
No California		 D1 Peter Halpern
(3.44) 		Peter Levi
(3.89)
Freda O'Brien
(3.78) 		L 6-3
6-3		 3.71 3.63
07/22/2023 Mixed 40+
8.0		 ROLLING HILLS 40MX8.0A
No California		 D1 Peter Halpern
(3.49) 		John Jung
(4.19)
Brenda Dorian
(3.20) 		L 6-2
6-2		 3.48 3.58
06/29/2023 Mixed 40+
8.0		 ROLLING HILLS 40MX8.0A
No California		 D1 Peter Halpern
(3.46) 		Michael Lustenberger
(3.87)
Lisa Eastlack
(3.82) 		L 7-6
6-2		 3.79 3.63
06/17/2023 Adult 18+
4.0		 ROLLING HILLS 18AW4.0A
No California		 S1 Kristen Mary
(3.72) 		L 6-0
0-6
1-0		 3.68 3.57
05/13/2023 Adult 18+
4.0		 ROLLING HILLS 18AW4.0A
No California		 S2 Rita Williams
(3.55) 		L 6-7
6-3
1-0		 3.48 3.53
05/07/2023 Adult 18+
4.0		 ROLLING HILLS 18AW4.0A
No California		 D2 Nancy Moran
(3.68) 		Kerri Chase
(3.51)
Nancy Tuhtan
(3.39) 		L 6-2
4-6
1-0		 3.33 3.55
01/22/2023 Mixed 18+
8.0		 ROLLING HILLS 18MX8.0A
No California		 D2 Andrew Patterson
(3.41) 		Barbara Sullivan
(3.88)
Ben Hock
(3.59) 		L 7-6
7-5		 3.75 3.61
01/12/2023 Mixed 18+
8.0		 ROLLING HILLS 18MX8.0A
No California		 D3 Andrew Hoppe
(3.65) 		Kevin Dufficy
(3.66)
Elizabeth Shalev
(-----) 		W 6-4
6-3		 S 3.56
12/03/2022 Combo
7.5		 ROLLING HILLS CW7.5A
No California		 D2 April Jackson
(3.89) 		Jodi Krawitt
(3.74)
Nina Trowbridge
(3.42) 		W 7-5
7-6		 3.48 -----
11/19/2022 Combo
7.5		 ROLLING HILLS CW7.5A
No California		 D2 April Jackson
(3.89) 		Lyn Little
(3.85)
Terri Reed
(3.24) 		W 6-1
6-2		 3.72 -----
11/13/2022 Mixed Other
8.0		 ROLLING HILLS 55MX8.0A
No California		 D1 Scott Williams
(4.10) 		John Caletti
(3.99)
Andrea Goldfien
(3.92) 		L 6-4
6-3		 3.54 3.56
11/05/2022 Mixed Other
8.0		 ROLLING HILLS 55MX8.0A
No California		 D1 Scott Williams
(4.12) 		Juanito Guzman
(3.69)
Susan Wirta
(3.56) 		W 6-3
4-6
1-0		 3.41 3.57
10/29/2023 D3 Mixed Other
8.0
ROLLING HILLS 55MX8.0A
No California		 L MARIN TC 55MX8.0A
No California
John Ybarra (3.50) 7-6
6-3		 Tina Skouras (3.63)
Igor Scherba (3.65)
Match: 3.63 Rating: 3.64
10/14/2023 D2 Mixed Other
8.0
ROLLING HILLS 55MX8.0A
No California		 W MILL VALLEY 55MX8.0A
No California
Peter Kennedy (3.57) 6-1
1-6
1-0		 Charley Hoefer (3.79)
Regina Seaborg (3.54)
Match: 3.75 Rating: 3.66
10/04/2023 D2 Mixed Other
8.0
ROLLING HILLS 55MX8.0A
No California		 W MARIN TC 55MX8.0A
No California
Toby Tyler (3.65) 6-3
4-6
1-0		 David Wilson (3.86)
Bee Tan (3.72)
Match: 3.82 Rating: 3.67
10/01/2023 D2 Combo
7.5
ROLLING HILLS CW7.5A
No California		 W HARBOR PT CW7.5A
No California
Kristine Banton (3.20) 6-2
1-6
1-0		 Adrienne Murphy (-----)
Ali Fenn (3.36)
Match: S Rating: -----
09/24/2023 D3 Combo
7.5
ROLLING HILLS CW7.5A
No California		 W TIBURON PEN C CW7.5B
No California
Ryane Linford (3.14) 6-2
6-3		 Nancy Hecht (3.39)
Allison Hart (3.51)
Match: 3.91 Rating: -----
09/10/2023 D3 Combo
7.5
ROLLING HILLS CW7.5A
No California		 L MARIN TC CW7.5B
No California
Doreen Drucker (-----) 6-3
6-3		 Debra Hakman (3.57)
Tracey Porter (3.48)
Match: S Rating: -----
09/09/2023 D1 Mixed Other
8.0
ROLLING HILLS 55MX8.0A
No California		 L MILL VALLEY 55MX8.0A
No California
Toby Tyler (3.68) 5-7
7-6
1-0		 Regina Seaborg (3.53)
Roark Vandien (3.76)
Match: 3.61 Rating: 3.61
09/03/2023 D3 Mixed Other
8.0
ROLLING HILLS 55MX8.0A
No California		 L HARBOR PT 55MX8.0A
No California
Peter Halpern (3.49) 6-4
6-2		 Daru Kawalkowski (3.69)
Joseph Sherer (3.72)
Match: 3.58 Rating: 3.61
07/29/2023 D1 Mixed 40+
8.0
ROLLING HILLS 40MX8.0A
No California		 L HARBOR PT 40MX8.0A
No California
Peter Halpern (3.44) 6-3
6-3		 Peter Levi (3.89)
Freda O'Brien (3.78)
Match: 3.71 Rating: 3.63
07/22/2023 D1 Mixed 40+
8.0
ROLLING HILLS 40MX8.0A
No California		 L MARIN TC 40MX8.0A
No California
Peter Halpern (3.49) 6-2
6-2		 John Jung (4.19)
Brenda Dorian (3.20)
Match: 3.48 Rating: 3.58
06/29/2023 D1 Mixed 40+
8.0
ROLLING HILLS 40MX8.0A
No California		 L MARIN TC 40MX8.0B
No California
Peter Halpern (3.46) 7-6
6-2		 Michael Lustenberger (3.87)
Lisa Eastlack (3.82)
Match: 3.79 Rating: 3.63
06/17/2023 S1 Adult 18+
4.0
ROLLING HILLS 18AW4.0A
No California		 L BOYLE PK 18AW4.0A
No California
6-0
0-6
1-0		 Kristen Mary (3.72)
Match: 3.68 Rating: 3.57
05/13/2023 S2 Adult 18+
4.0
ROLLING HILLS 18AW4.0A
No California		 L BOYLE PK 18AW4.0A
No California
6-7
6-3
1-0		 Rita Williams (3.55)
Match: 3.48 Rating: 3.53
05/07/2023 D2 Adult 18+
4.0
ROLLING HILLS 18AW4.0A
No California		 L BOYLE PK 18AW4.0A
No California
Nancy Moran (3.68) 6-2
4-6
1-0		 Kerri Chase (3.51)
Nancy Tuhtan (3.39)
Match: 3.33 Rating: 3.55
01/22/2023 D2 Mixed 18+
8.0
ROLLING HILLS 18MX8.0A
No California		 L HARBOR PT 18MX8.0A
No California
Andrew Patterson (3.41) 7-6
7-5		 Barbara Sullivan (3.88)
Ben Hock (3.59)
Match: 3.75 Rating: 3.61
01/12/2023 D3 Mixed 18+
8.0
ROLLING HILLS 18MX8.0A
No California		 W MARIN TC 18MX8.0C
No California
Andrew Hoppe (3.65) 6-4
6-3		 Kevin Dufficy (3.66)
Elizabeth Shalev (-----)
Match: S Rating: 3.56
12/03/2022 D2 Combo
7.5
ROLLING HILLS CW7.5A
No California		 W MT TAM RC CW7.5A
No California
April Jackson (3.89) 7-5
7-6		 Jodi Krawitt (3.74)
Nina Trowbridge (3.42)
Match: 3.48 Rating: -----
11/19/2022 D2 Combo
7.5
ROLLING HILLS CW7.5A
No California		 W REDWOOD HS CW7.5A
No California
April Jackson (3.89) 6-1
6-2		 Lyn Little (3.85)
Terri Reed (3.24)
Match: 3.72 Rating: -----
11/13/2022 D1 Mixed Other
8.0
ROLLING HILLS 55MX8.0A
No California		 L HARBOR PT 55MX8.0A
No California
Scott Williams (4.10) 6-4
6-3		 John Caletti (3.99)
Andrea Goldfien (3.92)
Match: 3.54 Rating: 3.56
11/05/2022 D1 Mixed Other
8.0
ROLLING HILLS 55MX8.0A
No California		 W MT TAM RC 55MX8.0A
No California
Scott Williams (4.12) 6-3
4-6
1-0		 Juanito Guzman (3.69)
Susan Wirta (3.56)
Match: 3.41 Rating: 3.57
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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