Statistical Analysis and Estimated Tennis Ratings to the 10,000th of a Point
Match History (Rating) View Advanced Player Stats
Colin Johnston (San Anselmo, CA)
Male 		3.5 S
2/23/2023
Estimated Dynamic Rating 3.5260
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
Current Rating Season
League/Level Total
Matches		 Win Loss Tie WPct Total
Sets		 Win Loss WPct Total
Games		 Win Loss WPct Defaults
Adult 18+ 3.5 3 2 1 0 66.7 6 4 2 66.7 50 28 22 56.0 0
Adult 18+ 4.0 1 0 1 0 0.0 2 0 2 0.0 20 7 13 35.0 0
Mixed 18+ 7.0 5 3 2 0 60.0 10 6 4 60.0 91 50 41 54.9 0
Mixed 18+ 8.0 5 3 2 0 60.0 15 8 7 53.3 106 51 55 48.1 0
Total 14 8 6 0 57.1 33 18 15 54.5 267 136 131 50.9 0
Match Date League Team Court Partner Opponent(s) W/L Result Match Rating
05/11/2024 Adult 18+
3.5		 RAFAEL RC 18AM3.5A
No California		 S1 Patrick Graham
(3.21) 		W 6-2
6-4		 3.41 3.53
04/27/2024 Adult 18+
3.5		 RAFAEL RC 18AM3.5A
No California		 S1 james redfern
(3.34) 		W 6-4
6-3		 3.48 3.54
04/21/2024 Adult 18+
3.5		 RAFAEL RC 18AM3.5A
No California		 S1 Carl Miller
(-----) 		L 6-4
3-0		 3.08 3.59
04/21/2024 Adult 18+
4.0		 RAFAEL RC 18AM4.0A
No California		 S2 Robert Ahearn
(3.81) 		L 6-1
7-6		 3.64 3.64
03/24/2024 Mixed 18+
8.0		 RAFAEL RC 18MX8.0A
No California		 D1 Erin Chamberlin
(4.03) 		Margo Holt
(3.77)
Gregg Trueman
(3.63) 		W 2-6
7-6
1-0		 3.49 3.64
03/17/2024 Mixed 18+
7.0		 RAFAEL RC 18MX7.0A
No California		 D2 Sharon Klein
(3.21) 		Tori Herzog
(3.33)
Stephen Cossman
(3.34) 		W 6-1
6-4		 3.79 3.71
02/25/2024 Mixed 18+
7.0		 RAFAEL RC 18MX7.0A
No California		 D2 Nhat Johnston
(3.27) 		Kim Colombo
(3.50)
James Busterud
(3.48) 		L 6-2
6-4		 3.48 3.65
02/24/2024 Mixed 18+
8.0		 RAFAEL RC 18MX8.0A
No California		 D3 Molly Neal
(4.43) 		Janine Rogers
(3.50)
Charles Spelman
(3.73) 		W 7-6
6-7
1-0		 3.31 3.63
02/23/2024 Mixed 18+
8.0		 RAFAEL RC 18MX8.0A
No California		 D2 Erin Chamberlin
(4.02) 		Kristin Morrell
(4.60)
Derek Boorse
(3.47) 		L 6-4
4-6
1-0		 3.84 3.77
02/11/2024 Mixed 18+
8.0		 RAFAEL RC 18MX8.0A
No California		 D1 Erin Chamberlin
(4.03) 		Adrienne Murphy
(3.66)
Alan White
(3.90) 		W 2-6
6-4
1-0		 3.60 3.70
01/28/2024 Mixed 18+
8.0		 RAFAEL RC 18MX8.0A
No California		 D2 Erin Chamberlin
(4.07) 		Chris Decker
(3.53)
Quynh Pearson
(3.81) 		L 6-2
2-6
1-0		 3.50 3.73
01/27/2024 Mixed 18+
7.0		 RAFAEL RC 18MX7.0A
No California		 D3 Susan Ginwala
(3.10) 		Angela Lee
(3.09)
Vladimir Matyurin
(3.33) 		L 6-2
7-6		 3.79 3.79
01/15/2024 Mixed 18+
7.0		 RAFAEL RC 18MX7.0A
No California		 D2 Sarah Fonkalsrud
(3.09) 		Nicole Barker
(3.48)
Michael Barker
(3.41) 		W 6-4
6-2		 4.18 3.79
01/07/2024 Mixed 18+
7.0		 RAFAEL RC 18MX7.0A
No California		 D3 Nhat Johnston
(3.27) 		Ryane Linford
(3.06)
Christopher Hatch
(-----) 		W 6-2
6-3		 3.30 3.30
05/11/2024 S1 Adult 18+
3.5
RAFAEL RC 18AM3.5A
No California		 W NOVATO TC/PIONEER PK 18AM3.5A
No California
6-2
6-4		 Patrick Graham (3.21)
Match: 3.41 Rating: 3.53
04/27/2024 S1 Adult 18+
3.5
RAFAEL RC 18AM3.5A
No California		 W BELVEDERE TC 18AM3.5A
No California
6-4
6-3		 james redfern (3.34)
Match: 3.48 Rating: 3.54
04/21/2024 S1 Adult 18+
3.5
RAFAEL RC 18AM3.5A
No California		 L MARIN CC 18AM3.5A
No California
6-4
3-0		 Carl Miller (-----)
Match: 3.08 Rating: 3.59
04/21/2024 S2 Adult 18+
4.0
RAFAEL RC 18AM4.0A
No California		 L MARIN TC 18AM4.0A
No California
6-1
7-6		 Robert Ahearn (3.81)
Match: 3.64 Rating: 3.64
03/24/2024 D1 Mixed 18+
8.0
RAFAEL RC 18MX8.0A
No California		 W MARIN TC 18MX8.0A
No California
Erin Chamberlin (4.03) 2-6
7-6
1-0		 Margo Holt (3.77)
Gregg Trueman (3.63)
Match: 3.49 Rating: 3.64
03/17/2024 D2 Mixed 18+
7.0
RAFAEL RC 18MX7.0A
No California		 W BOYLE PK 18MX7.0A
No California
Sharon Klein (3.21) 6-1
6-4		 Tori Herzog (3.33)
Stephen Cossman (3.34)
Match: 3.79 Rating: 3.71
02/25/2024 D2 Mixed 18+
7.0
RAFAEL RC 18MX7.0A
No California		 L MARIN CC 18MX7.0A
No California
Nhat Johnston (3.27) 6-2
6-4		 Kim Colombo (3.50)
James Busterud (3.48)
Match: 3.48 Rating: 3.65
02/24/2024 D3 Mixed 18+
8.0
RAFAEL RC 18MX8.0A
No California		 W BAY CLUB ROSS VALLEY 18MX8.0A
No California
Molly Neal (4.43) 7-6
6-7
1-0		 Janine Rogers (3.50)
Charles Spelman (3.73)
Match: 3.31 Rating: 3.63
02/23/2024 D2 Mixed 18+
8.0
RAFAEL RC 18MX8.0A
No California		 L MARIN TC 18MX8.0B
No California
Erin Chamberlin (4.02) 6-4
4-6
1-0		 Kristin Morrell (4.60)
Derek Boorse (3.47)
Match: 3.84 Rating: 3.77
02/11/2024 D1 Mixed 18+
8.0
RAFAEL RC 18MX8.0A
No California		 W HARBOR PT 18MX8.0A
No California
Erin Chamberlin (4.03) 2-6
6-4
1-0		 Adrienne Murphy (3.66)
Alan White (3.90)
Match: 3.60 Rating: 3.70
01/28/2024 D2 Mixed 18+
8.0
RAFAEL RC 18MX8.0A
No California		 L MARIN CC 18MX8.0A
No California
Erin Chamberlin (4.07) 6-2
2-6
1-0		 Chris Decker (3.53)
Quynh Pearson (3.81)
Match: 3.50 Rating: 3.73
01/27/2024 D3 Mixed 18+
7.0
RAFAEL RC 18MX7.0A
No California		 L MARIN TC 18MX7.0A
No California
Susan Ginwala (3.10) 6-2
7-6		 Angela Lee (3.09)
Vladimir Matyurin (3.33)
Match: 3.79 Rating: 3.79
01/15/2024 D2 Mixed 18+
7.0
RAFAEL RC 18MX7.0A
No California		 W BELVEDERE TC 18MX7.0A
No California
Sarah Fonkalsrud (3.09) 6-4
6-2		 Nicole Barker (3.48)
Michael Barker (3.41)
Match: 4.18 Rating: 3.79
01/07/2024 D3 Mixed 18+
7.0
RAFAEL RC 18MX7.0A
No California		 W ROLLING HILLS 18MX7.0A
No California
Nhat Johnston (3.27) 6-2
6-3		 Ryane Linford (3.06)
Christopher Hatch (-----)
Match: 3.30 Rating: 3.30
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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