Statistical Analysis and Estimated Tennis Ratings to the 10,000th of a Point
Match History (2022) View Advanced Player Stats
Christopher Colwell (Belvedere Tiburon, CA)
Male 		4.5 C
12/31/2023
Estimated Dynamic Rating 4.2667
6/2/2024
Projected Year End Rating ------
----------
4.5 Rating Meter
Rating Meter
4.0001 - 4.5000
Recent Match History Current Rating History
2022 Overall Season
League/Level Total
Matches		 Win Loss Tie WPct Total
Sets		 Win Loss WPct Total
Games		 Win Loss WPct Defaults
Adult 18+ 4.5 3 2 1 0 66.7 7 5 2 71.4 61 36 25 59.0 0
Adult 40+ 4.5 9 6 3 0 66.7 21 13 8 61.9 164 90 74 54.9 0
Adult 40+ 5.0 2 0 2 0 0.0 4 0 4 0.0 38 13 25 34.2 0
Adult 55+ 9.0 3 2 1 0 66.7 7 4 3 57.1 61 32 29 52.5 0
Combo 8.5 4 3 1 0 75.0 9 6 3 66.7 74 45 29 60.8 0
Mixed Other 9.0 4 4 0 0 100.0 8 8 0 100.0 72 48 24 66.7 0
Total 25 17 8 0 68.0 56 36 20 64.3 470 264 206 56.2 0
Match Date League Team Court Partner Opponent(s) W/L Result Match Rating
12/09/2022 Mixed Other
9.0
Sectionals		 HARBOR PT 55MX9.0A
No California		 D3 Amy Rennert
(4.38) 		Brian Italia
(4.04)
Raquel Atkin
(4.12) 		W 6-2
6-2		 4.31 4.27
11/06/2022 Mixed Other
9.0		 HARBOR PT 55MX9.0A
No California		 D1 Liza Geary
(4.08) 		Jeffrey Heely
(4.00)
Elaine Kitano
(4.01) 		W 6-3
6-4		 4.25 4.26
10/30/2022 Combo
8.5		 TIBURON PEN C CM8.5A
No California		 D1 Toby Marion
(3.93) 		Augusto Acosta
(4.15)
Robert S Delaney
(3.66) 		W 7-6
6-2		 4.20 -----
10/28/2022 Mixed Other
9.0		 HARBOR PT 55MX9.0A
No California		 D3 Christine Costamagna
(4.45) 		Karla Boisvert
(4.10)
Lawrence Carpenter
(4.27) 		W 6-4
6-2		 4.31 4.41
10/18/2022 Combo
8.5		 TIBURON PEN C CM8.5A
No California		 D1 Shannon Phillips
(3.59) 		David Truong
(-----)
Gary Russillo
(3.81) 		L 7-6
6-3		 S -----
10/07/2022 Mixed Other
9.0		 HARBOR PT 55MX9.0A
No California		 D3 Christine Costamagna
(4.45) 		Scott Harrison
(4.24)
Chiaki Harrison
(4.42) 		W 6-3
6-4		 4.51 4.51
09/24/2022 Combo
8.5		 TIBURON PEN C CM8.5A
No California		 D1 Jon Auerbach
(3.81) 		Brian Fraim
(3.65)
fried joshua
(-----) 		W 6-0
6-1		 S -----
08/31/2022 Combo
8.5		 TIBURON PEN C CM8.5A
No California		 D2 Toby Marion
(3.93) 		Cory Fulchiron
(4.37)
Andrew Hoppe
(3.65) 		W 6-1
4-6
1-0		 4.30 -----
05/23/2022 Adult 18+
4.5		 ROLLING HILLS 18AM4.5A
No California		 D1 David Mullarkey
(4.34) 		Daniel Krebs
(4.25)
Brett Meyer
(4.30) 		L 4-6
7-5
1-0		 4.24 4.28
05/21/2022 Adult 18+
4.5		 ROLLING HILLS 18AM4.5A
No California		 S2 Raj Sivasubramanian
(4.16) 		W 6-3
6-0		 4.49 4.33
05/07/2022 Adult 55+
9.0		 TIBURON PEN C 55AM9.0A
No California		 D3 Matthew Ockner
(4.01) 		Stefan Serbicki
(4.54)
Michael Parr
(3.95) 		L 6-4
6-2		 4.17 4.27
04/23/2022 Adult 40+
4.5
Sectionals		 ROLLING HILLS 40AM4.5A
No California		 D2 Dan Oppenheim
(4.36) 		Garrett Krueger
(4.40)
Lee Shin
(4.10) 		L 6-1
1-6
1-0		 4.17 4.27
04/23/2022 Adult 40+
4.5
Sectionals		 ROLLING HILLS 40AM4.5A
No California		 D2 Dan Oppenheim
(4.40) 		Rick Kepler
(4.37)
Shawn Robinson
(4.48) 		L 6-2
6-4		 4.18 4.28
04/22/2022 Adult 40+
4.5
Sectionals		 ROLLING HILLS 40AM4.5A
No California		 D1 David Mullarkey
(4.35) 		Tye Ferdinandsen
(4.23)
Richard Oberto
(4.01) 		W 3-6
6-2
1-0		 4.15 4.29
04/22/2022 Adult 40+
4.5
Sectionals		 ROLLING HILLS 40AM4.5A
No California		 D2 Dan Oppenheim
(4.39) 		Christopher Abate
(4.15)
Rainer Leeb
(4.16) 		L 6-4
6-3		 3.97 4.28
04/16/2022 Adult 18+
4.5		 ROLLING HILLS 18AM4.5A
No California		 D3 Dan Oppenheim
(4.45) 		Sacha Drazien
(4.09)
jean-thierry dupuy
(4.06) 		W 7-6
6-4		 4.10 4.32
04/02/2022 Adult 55+
9.0		 TIBURON PEN C 55AM9.0A
No California		 D1 Michel Seifer
(4.47) 		William Dagley
(4.23)
Andrew Loft
(4.47) 		W 6-7
7-6
1-0		 4.33 4.36
03/27/2022 Adult 40+
4.5		 ROLLING HILLS 40AM4.5A
No California		 D2 Dan Oppenheim
(4.42) 		Paul Stiff
(4.29)
Robert Blechman
(4.21) 		W 6-0
6-4		 4.52 4.39
03/26/2022 Adult 55+
9.0		 TIBURON PEN C 55AM9.0A
No California		 D1 Michel Seifer
(4.39) 		Scott Calhoun
(4.05)
Stefan Serbicki
(4.56) 		W 6-2
6-2		 4.56 4.38
03/13/2022 Adult 40+
4.5		 ROLLING HILLS 40AM4.5A
No California		 D1 David Mullarkey
(4.33) 		Chris Trepte
(4.18)
Jonathan Lefferts
(4.37) 		W 7-6
6-2		 4.37 4.31
03/09/2022 Adult 40+
4.5		 ROLLING HILLS 40AM4.5A
No California		 D1 David Mullarkey
(4.35) 		Jeffery Birkenseer
(4.19)
Chris Trepte
(4.19) 		W 6-2
3-6
1-0		 4.20 4.25
02/20/2022 Adult 40+
4.5		 ROLLING HILLS 40AM4.5A
No California		 D1 Dan Oppenheim
(4.43) 		Augusto Acosta
(4.16)
Robert Blechman
(4.25) 		W 7-5
6-4		 4.22 4.27
02/06/2022 Adult 40+
4.5		 ROLLING HILLS 40AM4.5A
No California		 D2 Kevin Erickson
(4.41) 		Yong Kim
(4.03)
Steve Schreck
(4.05) 		W 6-2
6-3		 4.28 4.28
02/05/2022 Adult 40+
5.0		 TIBURON PEN C 40AM5.0+A
No California		 D1 Marco Casesa
(4.65) 		Nicolas Chasseray
(4.77)
Daniel Brandt
(4.86) 		L 7-5
6-2		 4.63 4.28
01/22/2022 Adult 40+
5.0		 TIBURON PEN C 40AM5.0+A
No California		 D3 Michel Seifer
(4.41) 		Jeffery Birkenseer
(4.13)
Michael Damiani
(4.56) 		L 6-3
6-3		 3.89 3.89
12/09/2022 D3 Mixed Other
9.0
Sectionals
HARBOR PT 55MX9.0A
No California		 W WALNUT CREEK RC/Walnut Creek TC 55MX9.0A
No California
Amy Rennert (4.38) 6-2
6-2		 Brian Italia (4.04)
Raquel Atkin (4.12)
Match: 4.31 Rating: 4.27
11/06/2022 D1 Mixed Other
9.0
HARBOR PT 55MX9.0A
No California		 W MARIN TC 55MX9.0A
No California
Liza Geary (4.08) 6-3
6-4		 Jeffrey Heely (4.00)
Elaine Kitano (4.01)
Match: 4.25 Rating: 4.26
10/30/2022 D1 Combo
8.5
TIBURON PEN C CM8.5A
No California		 W HARBOR PT CM8.5A
No California
Toby Marion (3.93) 7-6
6-2		 Augusto Acosta (4.15)
Robert S Delaney (3.66)
Match: 4.20 Rating: -----
10/28/2022 D3 Mixed Other
9.0
HARBOR PT 55MX9.0A
No California		 W MARIN TC 55MX9.0A
No California
Christine Costamagna (4.45) 6-4
6-2		 Karla Boisvert (4.10)
Lawrence Carpenter (4.27)
Match: 4.31 Rating: 4.41
10/18/2022 D1 Combo
8.5
TIBURON PEN C CM8.5A
No California		 L MARIN TC CM8.5A
No California
Shannon Phillips (3.59) 7-6
6-3		 David Truong (-----)
Gary Russillo (3.81)
Match: S Rating: -----
10/07/2022 D3 Mixed Other
9.0
HARBOR PT 55MX9.0A
No California		 W MARIN TC 55MX9.0A
No California
Christine Costamagna (4.45) 6-3
6-4		 Scott Harrison (4.24)
Chiaki Harrison (4.42)
Match: 4.51 Rating: 4.51
09/24/2022 D1 Combo
8.5
TIBURON PEN C CM8.5A
No California		 W HARBOR PT CM8.5A
No California
Jon Auerbach (3.81) 6-0
6-1		 Brian Fraim (3.65)
fried joshua (-----)
Match: S Rating: -----
08/31/2022 D2 Combo
8.5
TIBURON PEN C CM8.5A
No California		 W ROLLING HILLS CM8.5A
No California
Toby Marion (3.93) 6-1
4-6
1-0		 Cory Fulchiron (4.37)
Andrew Hoppe (3.65)
Match: 4.30 Rating: -----
05/23/2022 D1 Adult 18+
4.5
ROLLING HILLS 18AM4.5A
No California		 L MARIN TC 18AM4.5A
No California
David Mullarkey (4.34) 4-6
7-5
1-0		 Daniel Krebs (4.25)
Brett Meyer (4.30)
Match: 4.24 Rating: 4.28
05/21/2022 S2 Adult 18+
4.5
ROLLING HILLS 18AM4.5A
No California		 W MARINWOOD COMM CTR 18AM4.5A
No California
6-3
6-0		 Raj Sivasubramanian (4.16)
Match: 4.49 Rating: 4.33
05/07/2022 D3 Adult 55+
9.0
TIBURON PEN C 55AM9.0A
No California		 L CRANE PK 55AM9.0A
No California
Matthew Ockner (4.01) 6-4
6-2		 Stefan Serbicki (4.54)
Michael Parr (3.95)
Match: 4.17 Rating: 4.27
04/23/2022 D2 Adult 40+
4.5
Sectionals
ROLLING HILLS 40AM4.5A
No California		 L MONTE VISTA HS 40AM4.5A
No California
Dan Oppenheim (4.36) 6-1
1-6
1-0		 Garrett Krueger (4.40)
Lee Shin (4.10)
Match: 4.17 Rating: 4.27
04/23/2022 D2 Adult 40+
4.5
Sectionals
ROLLING HILLS 40AM4.5A
No California		 L FOSTER CITY TC/EDGEWATER PK 40AM4.5A
No California
Dan Oppenheim (4.40) 6-2
6-4		 Rick Kepler (4.37)
Shawn Robinson (4.48)
Match: 4.18 Rating: 4.28
04/22/2022 D1 Adult 40+
4.5
Sectionals
ROLLING HILLS 40AM4.5A
No California		 W FIG GARDEN 40AM4.5A
No California
David Mullarkey (4.35) 3-6
6-2
1-0		 Tye Ferdinandsen (4.23)
Richard Oberto (4.01)
Match: 4.15 Rating: 4.29
04/22/2022 D2 Adult 40+
4.5
Sectionals
ROLLING HILLS 40AM4.5A
No California		 L BAY CLUB COURTSIDE 40AM4.5A
No California
Dan Oppenheim (4.39) 6-4
6-3		 Christopher Abate (4.15)
Rainer Leeb (4.16)
Match: 3.97 Rating: 4.28
04/16/2022 D3 Adult 18+
4.5
ROLLING HILLS 18AM4.5A
No California		 W MARINWOOD COMM CTR 18AM4.5A
No California
Dan Oppenheim (4.45) 7-6
6-4		 Sacha Drazien (4.09)
jean-thierry dupuy (4.06)
Match: 4.10 Rating: 4.32
04/02/2022 D1 Adult 55+
9.0
TIBURON PEN C 55AM9.0A
No California		 W HARBOR PT 55AM9.0A
No California
Michel Seifer (4.47) 6-7
7-6
1-0		 William Dagley (4.23)
Andrew Loft (4.47)
Match: 4.33 Rating: 4.36
03/27/2022 D2 Adult 40+
4.5
ROLLING HILLS 40AM4.5A
No California		 W MILL VALLEY 40AM4.5A
No California
Dan Oppenheim (4.42) 6-0
6-4		 Paul Stiff (4.29)
Robert Blechman (4.21)
Match: 4.52 Rating: 4.39
03/26/2022 D1 Adult 55+
9.0
TIBURON PEN C 55AM9.0A
No California		 W CRANE PK 55AM9.0A
No California
Michel Seifer (4.39) 6-2
6-2		 Scott Calhoun (4.05)
Stefan Serbicki (4.56)
Match: 4.56 Rating: 4.38
03/13/2022 D1 Adult 40+
4.5
ROLLING HILLS 40AM4.5A
No California		 W MARIN TC 40AM4.5A
No California
David Mullarkey (4.33) 7-6
6-2		 Chris Trepte (4.18)
Jonathan Lefferts (4.37)
Match: 4.37 Rating: 4.31
03/09/2022 D1 Adult 40+
4.5
ROLLING HILLS 40AM4.5A
No California		 W MARIN TC 40AM4.5A
No California
David Mullarkey (4.35) 6-2
3-6
1-0		 Jeffery Birkenseer (4.19)
Chris Trepte (4.19)
Match: 4.20 Rating: 4.25
02/20/2022 D1 Adult 40+
4.5
ROLLING HILLS 40AM4.5A
No California		 W MILL VALLEY 40AM4.5A
No California
Dan Oppenheim (4.43) 7-5
6-4		 Augusto Acosta (4.16)
Robert Blechman (4.25)
Match: 4.22 Rating: 4.27
02/06/2022 D2 Adult 40+
4.5
ROLLING HILLS 40AM4.5A
No California		 W MARIN TC 40AM4.5A
No California
Kevin Erickson (4.41) 6-2
6-3		 Yong Kim (4.03)
Steve Schreck (4.05)
Match: 4.28 Rating: 4.28
02/05/2022 D1 Adult 40+
5.0
TIBURON PEN C 40AM5.0+A
No California		 L OLYMPIC 40AM5.0+A
No California
Marco Casesa (4.65) 7-5
6-2		 Nicolas Chasseray (4.77)
Daniel Brandt (4.86)
Match: 4.63 Rating: 4.28
01/22/2022 D3 Adult 40+
5.0
TIBURON PEN C 40AM5.0+A
No California		 L MARIN TC 40AM5.0+A
No California
Michel Seifer (4.41) 6-3
6-3		 Jeffery Birkenseer (4.13)
Michael Damiani (4.56)
Match: 3.89 Rating: 3.89
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.
This site is not affiliated, endorsed, or associated by or with the USTA in any manner nor are the ratings affiliated with the NTRP rating system.
Copyright © 2016-2024 TennisRecord.com All rights reserved.

Privacy Policy  |  Sitemap