Statistical Analysis and Estimated Tennis Ratings to the 10,000th of a Point
Match History (2017) View Advanced Player Stats
David Zirkle (Alamo, CA)
Male 		4.0 C
12/31/2023
Estimated Dynamic Rating 3.8036
6/14/2024
Projected Year End Rating ------
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4.0 Rating Meter
Rating Meter
3.5001 - 4.0000
Recent Match History Current Rating History
2017 Overall Season
League/Level Total
Matches		 Win Loss Tie WPct Total
Sets		 Win Loss WPct Total
Games		 Win Loss WPct Defaults
Adult 40+ 4.5 6 1 5 0 16.7 15 5 10 33.3 112 54 58 48.2 0
Adult 55+ 9.0 5 3 2 0 60.0 10 6 4 60.0 96 50 46 52.1 0
Adult 65+ 0.0 3 2 1 0 66.7 8 5 3 62.5 60 34 26 56.7 0
Combo 8.5 3 2 1 0 66.7 7 5 2 71.4 49 30 19 61.2 0
Combo 9.5 3 0 3 0 0.0 6 0 6 0.0 47 10 37 21.3 0
Total 20 8 12 0 40.0 46 21 25 45.7 364 178 186 48.9 0
Match Date League Team Court Partner Opponent(s) W/L Result Match Rating
12/03/2017 Combo
9.5		 ROUND HILL CC CM9.5A
No California		 D2 Peter Palmer
(4.30) 		Adrian Barnes
(5.14)
Matthew Parry
(4.49) 		L 6-3
6-0		 4.18 -----
12/03/2017 Combo
9.5		 ROUND HILL CC CM9.5A
No California		 D1 Glen Yeung
(4.57) 		Randy Becker
(4.52)
Spencer Simonides
(4.82) 		L 6-2
7-5		 4.26 -----
10/30/2017 Combo
8.5		 ROUND HILL CC CM8.5A
No California		 D3 Alex Virgilio
(3.89) 		Alex Duff
(3.67)
Kevin Mechelke
(3.49) 		W 6-2
6-2		 4.10 -----
10/23/2017 Combo
8.5		 ROUND HILL CC CM8.5A
No California		 D2 Alex Virgilio
(3.89) 		Mark Bohuslav
(4.02)
Matt Rittmann
(3.61) 		W 6-3
6-1		 4.27 -----
10/06/2017 Combo
8.5		 ROUND HILL CC CM8.5A
No California		 D1 Todd Curley
(3.99) 		Owen Ching
(3.91)
Peter Sullivan
(4.13) 		L 6-0
4-6
1-0		 3.96 -----
10/04/2017 Combo
9.5		 ROUND HILL CC CM9.5A
No California		 D1 Stephan Johnson
(3.85) 		Shin Kim
(-----)
Kyle Reynolds
(4.40) 		L 6-0
6-0		 S -----
08/13/2017 Adult 55+
9.0		 LAFAYETTE TC 55AM9.0A
No California		 D3 Wayne Hagstrom
(4.20) 		Barney Barnato
(4.18)
Jeffrey Heely
(4.04) 		W 6-4
6-3		 4.25 4.21
08/06/2017 Adult 55+
9.0		 LAFAYETTE TC 55AM9.0A
No California		 D1 Steven Robinson
(4.09) 		Michael Bedard
(4.63)
Darrell Holt
(3.91) 		L 7-6
6-1		 4.17 4.19
07/20/2017 Adult 55+
9.0		 LAFAYETTE TC 55AM9.0A
No California		 D2 Michael Attiyeh
(4.15) 		Brian Barlay
(4.46)
Matthew Rice
(3.78) 		W 6-3
6-2		 4.36 4.24
07/09/2017 Adult 55+
9.0		 LAFAYETTE TC 55AM9.0A
No California		 D3 Michael Attiyeh
(4.19) 		Anton Hofmann
(4.15)
Murray Dean
(4.06) 		L 6-4
6-2		 3.93 4.14
06/29/2017 Adult 55+
9.0		 LAFAYETTE TC 55AM9.0A
No California		 D2 Alfred Sisneros
(4.32) 		Mike Welden
(4.38)
Douglas Mouch
(4.08) 		W 7-6
6-3		 4.27 4.22
06/20/2017 Adult 65+
Sectionals		 LA CANTERA RC 65AM9.0A
No California		 D2 Jack Walker
(4.41) 		Scott Spielman
(4.34)
Henry Kamakana
(4.01) 		W 7-5
4-6
1-0		 4.13 4.17
06/20/2017 Adult 65+
Sectionals		 LA CANTERA RC 65AM9.0A
No California		 D2 Jack Walker
(4.46) 		Wayne Horiuchi
(3.86)
Scott Spielman
(4.30) 		L 6-4
3-6
1-0		 4.08 4.16
06/19/2017 Adult 65+
Sectionals		 LA CANTERA RC 65AM9.0A
No California		 D1 Jack Walker
(4.43) 		Bruce Antal
(4.22)
Richard Svedeman
(4.21) 		W 6-1
6-4		 4.36 4.21
04/02/2017 Adult 40+
4.5
League		 ROUND HILL CC 40AM4.5+A
No California		 D3 Barry Goldstein
(4.07) 		Carlos Manuel
(4.14)
Gary Harris
(4.29) 		L 6-3
0-6
1-0		 4.35 4.22
03/26/2017 Adult 40+
4.5		 ROUND HILL CC 40AM4.5+A
No California		 D1 Barry Goldstein
(4.09) 		Martin Nunez
(4.45)
Sommay Tao Payanouvong
(4.22) 		L 6-4
7-5		 4.29 4.20
03/10/2017 Adult 40+
4.5		 ROUND HILL CC 40AM4.5+A
No California		 D2 Mark Racioppo
(4.14) 		Martin Dunlap
(4.39)
Billy Liyao
(4.26) 		L 7-6
6-3		 4.24 4.19
02/24/2017 Adult 40+
4.5		 ROUND HILL CC 40AM4.5+A
No California		 D2 Mark Racioppo
(4.17) 		Gordon Williams
(4.00)
Ron Wyatt
(4.07) 		L 0-6
6-3
1-0		 4.11 4.16
02/11/2017 Adult 40+
4.5		 ROUND HILL CC 40AM4.5+A
No California		 D2 Peter Palmer
(4.29) 		Robert Sorenson
(4.12)
Matthew Moran
(3.98) 		W 6-4
6-3		 4.17 4.17
01/14/2017 Adult 40+
4.5		 ROUND HILL CC 40AM4.5+A
No California		 D2 Barry Goldstein
(4.11) 		Steven Chan
(4.01)
Bryan Rodrigues
(4.24) 		L 4-6
6-0
1-0		 4.05 4.17
12/03/2017 D2 Combo
9.5
ROUND HILL CC CM9.5A
No California		 L NAPA VALLEY COMM COLLEGE CM9.5A
No California
Peter Palmer (4.30) 6-3
6-0		 Adrian Barnes (5.14)
Matthew Parry (4.49)
Match: 4.18 Rating: -----
12/03/2017 D1 Combo
9.5
ROUND HILL CC CM9.5A
No California		 L NAPA VALLEY COMM COLLEGE CM9.5A
No California
Glen Yeung (4.57) 6-2
7-5		 Randy Becker (4.52)
Spencer Simonides (4.82)
Match: 4.26 Rating: -----
10/30/2017 D3 Combo
8.5
ROUND HILL CC CM8.5A
No California		 W ORINDA CC CM8.5A
No California
Alex Virgilio (3.89) 6-2
6-2		 Alex Duff (3.67)
Kevin Mechelke (3.49)
Match: 4.10 Rating: -----
10/23/2017 D2 Combo
8.5
ROUND HILL CC CM8.5A
No California		 W MORAGA CC CM8.5A
No California
Alex Virgilio (3.89) 6-3
6-1		 Mark Bohuslav (4.02)
Matt Rittmann (3.61)
Match: 4.27 Rating: -----
10/06/2017 D1 Combo
8.5
ROUND HILL CC CM8.5A
No California		 L SLEEPY HOLLOW CM8.5A
No California
Todd Curley (3.99) 6-0
4-6
1-0		 Owen Ching (3.91)
Peter Sullivan (4.13)
Match: 3.96 Rating: -----
10/04/2017 D1 Combo
9.5
ROUND HILL CC CM9.5A
No California		 L DIAMOND HILLS CM9.5A
No California
Stephan Johnson (3.85) 6-0
6-0		 Shin Kim (-----)
Kyle Reynolds (4.40)
Match: S Rating: -----
08/13/2017 D3 Adult 55+
9.0
LAFAYETTE TC 55AM9.0A
No California		 W PLEASANTON 55AM9.0A
No California
Wayne Hagstrom (4.20) 6-4
6-3		 Barney Barnato (4.18)
Jeffrey Heely (4.04)
Match: 4.25 Rating: 4.21
08/06/2017 D1 Adult 55+
9.0
LAFAYETTE TC 55AM9.0A
No California		 L RUBY HILL GC 55AM9.0A
No California
Steven Robinson (4.09) 7-6
6-1		 Michael Bedard (4.63)
Darrell Holt (3.91)
Match: 4.17 Rating: 4.19
07/20/2017 D2 Adult 55+
9.0
LAFAYETTE TC 55AM9.0A
No California		 W SAN PABLO PK 55AM9.0A
No California
Michael Attiyeh (4.15) 6-3
6-2		 Brian Barlay (4.46)
Matthew Rice (3.78)
Match: 4.36 Rating: 4.24
07/09/2017 D3 Adult 55+
9.0
LAFAYETTE TC 55AM9.0A
No California		 L PLEASANTON 55AM9.0A
No California
Michael Attiyeh (4.19) 6-4
6-2		 Anton Hofmann (4.15)
Murray Dean (4.06)
Match: 3.93 Rating: 4.14
06/29/2017 D2 Adult 55+
9.0
LAFAYETTE TC 55AM9.0A
No California		 W RUBY HILL GC 55AM9.0A
No California
Alfred Sisneros (4.32) 7-6
6-3		 Mike Welden (4.38)
Douglas Mouch (4.08)
Match: 4.27 Rating: 4.22
06/20/2017 D2 Adult 65+
Sectionals
LA CANTERA RC 65AM9.0A
No California		 W BAY CLUB COURTSIDE 65AM9.0A
No California
Jack Walker (4.41) 7-5
4-6
1-0		 Scott Spielman (4.34)
Henry Kamakana (4.01)
Match: 4.13 Rating: 4.17
06/20/2017 D2 Adult 65+
Sectionals
LA CANTERA RC 65AM9.0A
No California		 L BAY CLUB COURTSIDE 65AM9.0A
No California
Jack Walker (4.46) 6-4
3-6
1-0		 Wayne Horiuchi (3.86)
Scott Spielman (4.30)
Match: 4.08 Rating: 4.16
06/19/2017 D1 Adult 65+
Sectionals
LA CANTERA RC 65AM9.0A
No California		 W BAY CLUB COURTSIDE 65AM9.0A
No California
Jack Walker (4.43) 6-1
6-4		 Bruce Antal (4.22)
Richard Svedeman (4.21)
Match: 4.36 Rating: 4.21
04/02/2017 D3 Adult 40+
4.5
League
ROUND HILL CC 40AM4.5+A
No California		 L DIAMOND HILLS 40AM4.5+A
No California
Barry Goldstein (4.07) 6-3
0-6
1-0		 Carlos Manuel (4.14)
Gary Harris (4.29)
Match: 4.35 Rating: 4.22
03/26/2017 D1 Adult 40+
4.5
ROUND HILL CC 40AM4.5+A
No California		 L WALNUT CREEK RC/WALNUT CREEK 40AM4.5+B
No California
Barry Goldstein (4.09) 6-4
7-5		 Martin Nunez (4.45)
Sommay Tao Payanouvong (4.22)
Match: 4.29 Rating: 4.20
03/10/2017 D2 Adult 40+
4.5
ROUND HILL CC 40AM4.5+A
No California		 L LAFAYETTE TC 40AM4.5+A
No California
Mark Racioppo (4.14) 7-6
6-3		 Martin Dunlap (4.39)
Billy Liyao (4.26)
Match: 4.24 Rating: 4.19
02/24/2017 D2 Adult 40+
4.5
ROUND HILL CC 40AM4.5+A
No California		 L ROUND HILL CC 40AM4.5+B
No California
Mark Racioppo (4.17) 0-6
6-3
1-0		 Gordon Williams (4.00)
Ron Wyatt (4.07)
Match: 4.11 Rating: 4.16
02/11/2017 D2 Adult 40+
4.5
ROUND HILL CC 40AM4.5+A
No California		 W SLEEPY HOLLOW 40AM4.5+A
No California
Peter Palmer (4.29) 6-4
6-3		 Robert Sorenson (4.12)
Matthew Moran (3.98)
Match: 4.17 Rating: 4.17
01/14/2017 D2 Adult 40+
4.5
ROUND HILL CC 40AM4.5+A
No California		 L MORAGA CC 40AM4.5+A
No California
Barry Goldstein (4.11) 4-6
6-0
1-0		 Steven Chan (4.01)
Bryan Rodrigues (4.24)
Match: 4.05 Rating: 4.17
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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