Statistical Analysis and Estimated Tennis Ratings to the 10,000th of a Point
Match History (2018) View Advanced Player Stats
John Zarling (Alamo, CA)
Male 		4.0 C
12/31/2022
Estimated Dynamic Rating 3.8424
6/23/2024
Projected Year End Rating ------
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4.0 Rating Meter
Rating Meter
3.5001 - 4.0000
Recent Match History Current Rating History
2018 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 5 0 5 0 0.0 10 0 10 0.0 86 26 60 30.2 0
Adult 40+ 4.5 4 1 3 0 25.0 9 3 6 33.3 67 30 37 44.8 0
Combo 7.5 6 3 3 0 50.0 12 6 6 50.0 115 58 57 50.4 1
Combo 8.5 5 2 3 0 40.0 13 6 7 46.2 107 52 55 48.6 0
Total 20 6 14 0 30.0 44 15 29 34.1 375 166 209 44.3 1
Match Date League Team Court Partner Opponent(s) W/L Result Match Rating
11/04/2018 Combo
8.5		 ROUND HILL CC CM8.5A
No California		 D3 Greg Meyer
(4.06) 		Michael Attiyeh
(4.33)
Eric Belusa
(-----) 		W 6-3
6-4		 S -----
10/23/2018 Combo
8.5		 ROUND HILL CC CM8.5A
No California		 D1 Alan Chan
(3.60) 		Brian Strong
(4.13)
Dae Kim
(3.80) 		L 7-5
6-7
1-0		 4.16 -----
10/20/2018 Combo
8.5		 ROUND HILL CC CM8.5A
No California		 D3 Darrell Campos
(3.94) 		Akiva Elias
(4.21)
Matthew Moran
(3.92) 		L 6-2
6-4		 3.93 -----
10/05/2018 Combo
8.5		 ROUND HILL CC CM8.5A
No California		 D1 Scott Davis
(3.90) 		James Greig
(4.34)
Patrick Lane
(3.74) 		L 6-3
4-6
1-0		 4.07 -----
09/19/2018 Combo
8.5		 ROUND HILL CC CM8.5A
No California		 D1 Darrell Campos
(3.94) 		James Kim
(3.69)
Michael Yurkus
(4.09) 		W 6-4
6-7
1-0		 4.00 -----
06/24/2018 Adult 18+
4.5		 ROUND HILL CC 18AM4.5A
No California		 S2 John Fogli
(4.10) 		L 6-1
6-2		 3.76 4.00
06/20/2018 Adult 18+
4.5		 ROUND HILL CC 18AM4.5A
No California		 D3 Ron Wyatt
(4.14) 		Derek Moulaison
(4.12)
Peter Sullivan
(4.21) 		L 6-1
6-4		 3.89 4.01
06/10/2018 Adult 18+
4.5		 ROUND HILL CC 18AM4.5A
No California		 D1 Gordon Williams
(3.99) 		Gary Harris
(4.26)
Carlos Manuel
(4.23) 		L 6-2
6-3		 4.05 4.06
05/20/2018 Adult 40+
4.5
Sectionals		 ROUND HILL CC 40AM4.5+A
No California		 D2 Richard Sipos
(3.98) 		David Richmond
(4.40)
Dave Ochoa
(4.23) 		L 6-3
6-2		 4.13 4.07
05/18/2018 Adult 18+
4.5		 ROUND HILL CC 18AM4.5A
No California		 D2 Dave Nielsen
(3.85) 		Nafeh Malik
(4.48)
Gregory Mclean
(4.30) 		L 6-3
6-4		 4.30 4.09
04/26/2018 Adult 18+
4.5		 ROUND HILL CC 18AM4.5A
No California		 D3 Rich Favreau
(3.95) 		Billy Liyao
(4.20)
Kermit Strachan
(4.16) 		L 6-2
6-4		 3.99 4.02
04/22/2018 Adult 40+
4.5		 ROUND HILL CC 40AM4.5+A
No California		 S2 Wayne Hagstrom
(4.25) 		L 6-2
6-1		 3.92 3.97
03/25/2018 Combo
7.5
Sectionals		 ROUND HILL CC CM7.5A
No California		 D3 Jonathan Jaffe
(3.63) 		Seth Hazen
(3.68)
Rogelio Oco
(3.97) 		L 6-4
6-3		 3.89 -----
03/24/2018 Combo
7.5
Sectionals		 ROUND HILL CC CM7.5A
No California		 D1 Edward Eldridge
(3.53) 		Shashank Hallur Malatesh
(3.75)
Arun Prasad Jeyaraj
(3.68) 		W 6-3
6-3		 4.18 -----
03/09/2018 Adult 40+
4.5		 ROUND HILL CC 40AM4.5+A
No California		 D3 Robert Anderson
(4.36) 		Greg Fox
(3.78)
Attilio Ruffo
(3.81) 		L 6-4
4-6
1-0		 3.67 4.08
02/25/2018 Combo
7.5
Districts		 ROUND HILL CC CM7.5A
No California		 D3 Warren Parti
(3.67) 		Default W 6-0
6-0		 S -----
02/24/2018 Combo
7.5
Districts		 ROUND HILL CC CM7.5A
No California		 D1 Warren Parti
(3.67) 		Dallas DeKeyrel
(4.02)
Eric Zahra
(3.41) 		W 7-6
6-3		 4.00 -----
02/23/2018 Combo
7.5
Districts		 ROUND HILL CC CM7.5A
No California		 D1 Tom Stubo
(3.57) 		Alex Chavez
(3.80)
Gino Manicci
(-----) 		L 7-6
6-2		 S -----
02/04/2018 Adult 40+
4.5		 ROUND HILL CC 40AM4.5+A
No California		 S2 Rajat Jain
(3.85) 		W 6-0
6-2		 4.23 4.18
01/20/2018 Combo
7.5		 ROUND HILL CC CM7.5A
No California		 D2 Tom Stubo
(3.57) 		Jeff Forbes
(4.19)
Robert Holmes
(3.75) 		L 6-2
6-4		 4.02 -----
01/07/2018 Combo
7.5		 ROUND HILL CC CM7.5A
No California		 D2 Tom Stubo
(3.57) 		Herman Austero
(3.72)
Michael Davies
(3.36) 		W 6-3
6-2		 4.03 -----
11/04/2018 D3 Combo
8.5
ROUND HILL CC CM8.5A
No California		 W OAKHURST CC CM8.5A
No California
Greg Meyer (4.06) 6-3
6-4		 Michael Attiyeh (4.33)
Eric Belusa (-----)
Match: S Rating: -----
10/23/2018 D1 Combo
8.5
ROUND HILL CC CM8.5A
No California		 L LAFAYETTE TC CM8.5A
No California
Alan Chan (3.60) 7-5
6-7
1-0		 Brian Strong (4.13)
Dae Kim (3.80)
Match: 4.16 Rating: -----
10/20/2018 D3 Combo
8.5
ROUND HILL CC CM8.5A
No California		 L SLEEPY HOLLOW CM8.5A
No California
Darrell Campos (3.94) 6-2
6-4		 Akiva Elias (4.21)
Matthew Moran (3.92)
Match: 3.93 Rating: -----
10/05/2018 D1 Combo
8.5
ROUND HILL CC CM8.5A
No California		 L ROUND HILL CC CM8.5B
No California
Scott Davis (3.90) 6-3
4-6
1-0		 James Greig (4.34)
Patrick Lane (3.74)
Match: 4.07 Rating: -----
09/19/2018 D1 Combo
8.5
ROUND HILL CC CM8.5A
No California		 W WALNUT CREEK RC/WALNUT CREEK CM8.5A
No California
Darrell Campos (3.94) 6-4
6-7
1-0		 James Kim (3.69)
Michael Yurkus (4.09)
Match: 4.00 Rating: -----
06/24/2018 S2 Adult 18+
4.5
ROUND HILL CC 18AM4.5A
No California		 L WALNUT CREEK 18AM4.5B
No California
6-1
6-2		 John Fogli (4.10)
Match: 3.76 Rating: 4.00
06/20/2018 D3 Adult 18+
4.5
ROUND HILL CC 18AM4.5A
No California		 L WALNUT CREEK 18AM4.5B
No California
Ron Wyatt (4.14) 6-1
6-4		 Derek Moulaison (4.12)
Peter Sullivan (4.21)
Match: 3.89 Rating: 4.01
06/10/2018 D1 Adult 18+
4.5
ROUND HILL CC 18AM4.5A
No California		 L DIAMOND HILLS 18AM4.5A
No California
Gordon Williams (3.99) 6-2
6-3		 Gary Harris (4.26)
Carlos Manuel (4.23)
Match: 4.05 Rating: 4.06
05/20/2018 D2 Adult 40+
4.5
Sectionals
ROUND HILL CC 40AM4.5+A
No California		 L DAVIE STADIUM 40AM4.5+A
No California
Richard Sipos (3.98) 6-3
6-2		 David Richmond (4.40)
Dave Ochoa (4.23)
Match: 4.13 Rating: 4.07
05/18/2018 D2 Adult 18+
4.5
ROUND HILL CC 18AM4.5A
No California		 L WALNUT CREEK 18AM4.5C
No California
Dave Nielsen (3.85) 6-3
6-4		 Nafeh Malik (4.48)
Gregory Mclean (4.30)
Match: 4.30 Rating: 4.09
04/26/2018 D3 Adult 18+
4.5
ROUND HILL CC 18AM4.5A
No California		 L LAFAYETTE TC 18AM4.5A
No California
Rich Favreau (3.95) 6-2
6-4		 Billy Liyao (4.20)
Kermit Strachan (4.16)
Match: 3.99 Rating: 4.02
04/22/2018 S2 Adult 40+
4.5
ROUND HILL CC 40AM4.5+A
No California		 L MORAGA CC 40AM4.5+A
No California
6-2
6-1		 Wayne Hagstrom (4.25)
Match: 3.92 Rating: 3.97
03/25/2018 D3 Combo
7.5
Sectionals
ROUND HILL CC CM7.5A
No California		 L CUBBERLEY CM7.5A
No California
Jonathan Jaffe (3.63) 6-4
6-3		 Seth Hazen (3.68)
Rogelio Oco (3.97)
Match: 3.89 Rating: -----
03/24/2018 D1 Combo
7.5
Sectionals
ROUND HILL CC CM7.5A
No California		 W FREMONT TC CM7.5C
No California
Edward Eldridge (3.53) 6-3
6-3		 Shashank Hallur Malatesh (3.75)
Arun Prasad Jeyaraj (3.68)
Match: 4.18 Rating: -----
03/09/2018 D3 Adult 40+
4.5
ROUND HILL CC 40AM4.5+A
No California		 L WALNUT CREEK 40AM4.5+A
No California
Robert Anderson (4.36) 6-4
4-6
1-0		 Greg Fox (3.78)
Attilio Ruffo (3.81)
Match: 3.67 Rating: 4.08
02/25/2018 D3 Combo
7.5
Districts
ROUND HILL CC CM7.5A
No California		 W SUNNYVALE MTC CM7.5H
No California
Warren Parti (3.67) 6-0
6-0		 Default
Match: S Rating: -----
02/24/2018 D1 Combo
7.5
Districts
ROUND HILL CC CM7.5A
No California		 W ROLLING HILLS CM7.5A
No California
Warren Parti (3.67) 7-6
6-3		 Dallas DeKeyrel (4.02)
Eric Zahra (3.41)
Match: 4.00 Rating: -----
02/23/2018 D1 Combo
7.5
Districts
ROUND HILL CC CM7.5A
No California		 L CHICO RC CM7.5A
No California
Tom Stubo (3.57) 7-6
6-2		 Alex Chavez (3.80)
Gino Manicci (-----)
Match: S Rating: -----
02/04/2018 S2 Adult 40+
4.5
ROUND HILL CC 40AM4.5+A
No California		 W ORINDAWOODS 40AM4.5+A
No California
6-0
6-2		 Rajat Jain (3.85)
Match: 4.23 Rating: 4.18
01/20/2018 D2 Combo
7.5
ROUND HILL CC CM7.5A
No California		 L WALNUT CREEK RC/WALNUT CREEK CM7.5D
No California
Tom Stubo (3.57) 6-2
6-4		 Jeff Forbes (4.19)
Robert Holmes (3.75)
Match: 4.02 Rating: -----
01/07/2018 D2 Combo
7.5
ROUND HILL CC CM7.5A
No California		 W DIAMOND HILLS CM7.5B
No California
Tom Stubo (3.57) 6-3
6-2		 Herman Austero (3.72)
Michael Davies (3.36)
Match: 4.03 Rating: -----
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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