Statistical Analysis and Estimated Tennis Ratings to the 10,000th of a Point
Match History (2023) View Advanced Player Stats
Jonathan Ivory (Petaluma, CA)
Male 		4.0 C
12/31/2023
Estimated Dynamic Rating 3.8210
9/15/2024
Projected Year End Rating ------
----------
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 4 3 1 0 75.0 10 7 3 70.0 74 43 31 58.1 0
Adult 40+ 4.0 9 6 3 0 66.7 23 14 9 60.9 188 100 88 53.2 0
Combo 8.5 3 1 2 0 33.3 6 2 4 33.3 57 25 32 43.9 1
Mixed 40+ 8.0 4 3 1 0 75.0 9 6 3 66.7 65 34 31 52.3 0
Total 20 13 7 0 65.0 48 29 19 60.4 384 202 182 52.6 1
Match Date League Team Court Partner Opponent(s) W/L Result Match Rating
09/30/2023 Combo
8.5		 ROHNERT PK TC/MAGNOLIA/M PK CM8.5A
No California		 D2 Matthew Parry
(-----) 		Ryan Smith
(4.45)
Toby Tyler
(3.64) 		L 6-3
6-4		 S -----
09/09/2023 Combo
8.5		 ROHNERT PK TC/MAGNOLIA/M PK CM8.5A
No California		 D3 Timothy Barlow
(4.07) 		Troy Pewitt
(3.71)
Matthew Ockner
(3.92) 		W 7-5
6-3		 3.83 -----
08/20/2023 Mixed 40+
8.0		 ROHNERT PK TC/MAGNOLIA/M PK 40MX8.0A
No California		 D2 Erin Henke
(3.53) 		Nick Grudzien
(3.86)
Kelly Grudzien
(3.68) 		L 6-1
6-0		 3.50 3.77
07/25/2023 Mixed 40+
8.0		 ROHNERT PK TC/MAGNOLIA/M PK 40MX8.0A
No California		 D1 Sara C Mazza
(3.68) 		Courtney Cochran
(3.53)
Jesse Lorz
(3.57) 		W 6-1
6-1		 4.01 3.86
07/02/2023 Mixed 40+
8.0		 ROHNERT PK TC/MAGNOLIA/M PK 40MX8.0A
No California		 D2 Sara C Mazza
(3.65) 		Christine Mooney
(3.99)
Philippe Hobson
(3.45) 		W 6-4
6-2		 3.98 3.83
06/25/2023 Mixed 40+
8.0		 ROHNERT PK TC/MAGNOLIA/M PK 40MX8.0A
No California		 D3 Sara C Mazza
(3.64) 		Grace Zhang
(3.98)
Don Ameral
(3.62) 		W 1-6
7-5
1-0		 3.81 3.78
06/11/2023 Adult 18+
4.0		 ROHNERT PK TC/MAGNOLIA/M PK 18AM4.0A
No California		 D1 Tony Fuller
(3.79) 		Kenji Kumasaka
(3.66)
Seth Petersen
(3.80) 		W 6-4
6-2		 3.96 3.86
05/21/2023 Adult 18+
4.0		 ROHNERT PK TC/MAGNOLIA/M PK 18AM4.0A
No California		 D1 Michael Marx
(3.84) 		Don Ameral
(3.72)
Trevor Mcguire
(3.84) 		W 6-2
6-2		 4.07 3.86
05/13/2023 Adult 40+
4.0
Sectionals		 ROHNERT PK TC/MAGNOLIA/M PK 40AM4.0A
No California		 D1 Michael Marx
(3.83) 		David Luu
(3.96)
Cesar Hernandez
(3.98) 		W 6-3
2-6
1-0		 3.95 3.83
05/12/2023 Adult 40+
4.0
Sectionals		 ROHNERT PK TC/MAGNOLIA/M PK 40AM4.0A
No California		 D2 Luis Nanez
(3.50) 		Carl Kawaja
(3.65)
Michael McDonough
(3.85) 		L 6-2
6-7
1-0		 3.79 3.79
04/29/2023 Adult 18+
4.0		 ROHNERT PK TC/MAGNOLIA/M PK 18AM4.0A
No California		 D2 Luis Nanez
(3.54) 		Mauricio Rodriguezramirez
(3.71)
Mark Weinberger
(3.37) 		L 6-2
5-7
1-0		 3.60 3.76
04/15/2023 Adult 18+
4.0		 ROHNERT PK TC/MAGNOLIA/M PK 18AM4.0A
No California		 D1 Michael Marx
(3.78) 		Razi Arifuddin
(3.86)
Roy Peterka
(3.93) 		W 6-3
3-6
1-0		 3.93 3.82
03/18/2023 Adult 40+
4.0		 MARINWOOD COMM CTR 40AM4.0A
No California		 D2 Juanito Guzman
(3.68) 		Chris Nguyen
(3.58)
Francois Cottin
(3.31) 		W 6-1
6-1		 3.87 3.79
03/16/2023 Adult 40+
4.0		 ROHNERT PK TC/MAGNOLIA/M PK 40AM4.0A
No California		 D2 Paul Anderson
(3.89) 		Brandon Hill
(3.71)
Peter Magrini
(3.86) 		W 6-7
7-5
1-0		 3.77 3.76
03/01/2023 Adult 40+
4.0		 ROHNERT PK TC/MAGNOLIA/M PK 40AM4.0A
No California		 D1 Michael Marx
(3.70) 		Nathan Strong
(3.84)
Jon Moens
(3.69) 		W 7-6
6-4		 3.86 3.78
02/19/2023 Adult 40+
4.0		 ROHNERT PK TC/MAGNOLIA/M PK 40AM4.0A
No California		 D1 Ian Hannah
(3.71) 		Roy Peterka
(3.95)
Chris Trechter
(3.81) 		L 6-4
6-4		 3.80 3.76
02/11/2023 Adult 40+
4.0		 MARINWOOD COMM CTR 40AM4.0A
No California		 D2 Juanito Guzman
(3.66) 		Jeffrey Kent
(3.75)
Christopher Horne
(3.49) 		W 7-6
6-4		 3.74 3.75
01/22/2023 Adult 40+
4.0		 ROHNERT PK TC/MAGNOLIA/M PK 40AM4.0A
No California		 D2 Ian Hannah
(3.73) 		Drew Gottlieb
(3.65)
Seth Petersen
(3.67) 		W 2-6
6-0
1-0		 S 3.75
01/08/2023 Adult 40+
4.0		 MARINWOOD COMM CTR 40AM4.0A
No California		 D1 Frank Lee
(3.88) 		John Honey
(3.90)
Igor Scherba
(3.53) 		L 7-6
6-7
1-0		 3.64 3.75
11/19/2022 Combo
8.5		 ROHNERT PK TC/MAGNOLIA/M PK CM8.5A
No California		 D1 Steven Colletto
(-----) 		Chris Trechter
(3.81)
Connor Van Alstyne
(-----) 		L 6-4
6-1		 S -----
11/05/2022 Combo
8.5		 ROHNERT PK TC/MAGNOLIA/M PK CM8.5A
No California		 D2 Antonio Vigil
(4.21) 		Default W 6-0
6-0		 S -----
09/30/2023 D2 Combo
8.5
ROHNERT PK TC/MAGNOLIA/M PK CM8.5A
No California		 L ROLLING HILLS CM8.5A
No California
Matthew Parry (-----) 6-3
6-4		 Ryan Smith (4.45)
Toby Tyler (3.64)
Match: S Rating: -----
09/09/2023 D3 Combo
8.5
ROHNERT PK TC/MAGNOLIA/M PK CM8.5A
No California		 W TIBURON PEN C CM8.5A
No California
Timothy Barlow (4.07) 7-5
6-3		 Troy Pewitt (3.71)
Matthew Ockner (3.92)
Match: 3.83 Rating: -----
08/20/2023 D2 Mixed 40+
8.0
ROHNERT PK TC/MAGNOLIA/M PK 40MX8.0A
No California		 L FOUNTAINGROVE-AC 40MX8.0A
No California
Erin Henke (3.53) 6-1
6-0		 Nick Grudzien (3.86)
Kelly Grudzien (3.68)
Match: 3.50 Rating: 3.77
07/25/2023 D1 Mixed 40+
8.0
ROHNERT PK TC/MAGNOLIA/M PK 40MX8.0A
No California		 W WIKIUP R SC 40MX8.0A
No California
Sara C Mazza (3.68) 6-1
6-1		 Courtney Cochran (3.53)
Jesse Lorz (3.57)
Match: 4.01 Rating: 3.86
07/02/2023 D2 Mixed 40+
8.0
ROHNERT PK TC/MAGNOLIA/M PK 40MX8.0A
No California		 W WIKIUP R SC 40MX8.0B
No California
Sara C Mazza (3.65) 6-4
6-2		 Christine Mooney (3.99)
Philippe Hobson (3.45)
Match: 3.98 Rating: 3.83
06/25/2023 D3 Mixed 40+
8.0
ROHNERT PK TC/MAGNOLIA/M PK 40MX8.0A
No California		 W LA CANTERA RC 40MX8.0A
No California
Sara C Mazza (3.64) 1-6
7-5
1-0		 Grace Zhang (3.98)
Don Ameral (3.62)
Match: 3.81 Rating: 3.78
06/11/2023 D1 Adult 18+
4.0
ROHNERT PK TC/MAGNOLIA/M PK 18AM4.0A
No California		 W GALVIN PK 18AM4.0A
No California
Tony Fuller (3.79) 6-4
6-2		 Kenji Kumasaka (3.66)
Seth Petersen (3.80)
Match: 3.96 Rating: 3.86
05/21/2023 D1 Adult 18+
4.0
ROHNERT PK TC/MAGNOLIA/M PK 18AM4.0A
No California		 W LA CANTERA RC 18AM4.0A
No California
Michael Marx (3.84) 6-2
6-2		 Don Ameral (3.72)
Trevor Mcguire (3.84)
Match: 4.07 Rating: 3.86
05/13/2023 D1 Adult 40+
4.0
Sectionals
ROHNERT PK TC/MAGNOLIA/M PK 40AM4.0A
No California		 W MERVYN MORRIS PK 40AM4.0A
No California
Michael Marx (3.83) 6-3
2-6
1-0		 David Luu (3.96)
Cesar Hernandez (3.98)
Match: 3.95 Rating: 3.83
05/12/2023 D2 Adult 40+
4.0
Sectionals
ROHNERT PK TC/MAGNOLIA/M PK 40AM4.0A
No California		 L CALIFORNIA TC 40AM4.0A
No California
Luis Nanez (3.50) 6-2
6-7
1-0		 Carl Kawaja (3.65)
Michael McDonough (3.85)
Match: 3.79 Rating: 3.79
04/29/2023 D2 Adult 18+
4.0
ROHNERT PK TC/MAGNOLIA/M PK 18AM4.0A
No California		 L GALVIN PK 18AM4.0A
No California
Luis Nanez (3.54) 6-2
5-7
1-0		 Mauricio Rodriguezramirez (3.71)
Mark Weinberger (3.37)
Match: 3.60 Rating: 3.76
04/15/2023 D1 Adult 18+
4.0
ROHNERT PK TC/MAGNOLIA/M PK 18AM4.0A
No California		 W WIKIUP R SC 18AM4.0A
No California
Michael Marx (3.78) 6-3
3-6
1-0		 Razi Arifuddin (3.86)
Roy Peterka (3.93)
Match: 3.93 Rating: 3.82
03/18/2023 D2 Adult 40+
4.0
MARINWOOD COMM CTR 40AM4.0A
No California		 W SCOTT VALLEY 40AM4.0A
No California
Juanito Guzman (3.68) 6-1
6-1		 Chris Nguyen (3.58)
Francois Cottin (3.31)
Match: 3.87 Rating: 3.79
03/16/2023 D2 Adult 40+
4.0
ROHNERT PK TC/MAGNOLIA/M PK 40AM4.0A
No California		 W LA CANTERA RC 40AM4.0A
No California
Paul Anderson (3.89) 6-7
7-5
1-0		 Brandon Hill (3.71)
Peter Magrini (3.86)
Match: 3.77 Rating: 3.76
03/01/2023 D1 Adult 40+
4.0
ROHNERT PK TC/MAGNOLIA/M PK 40AM4.0A
No California		 W WIKIUP R SC 40AM4.0A
No California
Michael Marx (3.70) 7-6
6-4		 Nathan Strong (3.84)
Jon Moens (3.69)
Match: 3.86 Rating: 3.78
02/19/2023 D1 Adult 40+
4.0
ROHNERT PK TC/MAGNOLIA/M PK 40AM4.0A
No California		 L WIKIUP R SC 40AM4.0A
No California
Ian Hannah (3.71) 6-4
6-4		 Roy Peterka (3.95)
Chris Trechter (3.81)
Match: 3.80 Rating: 3.76
02/11/2023 D2 Adult 40+
4.0
MARINWOOD COMM CTR 40AM4.0A
No California		 W MARIN TC 40AM4.0B
No California
Juanito Guzman (3.66) 7-6
6-4		 Jeffrey Kent (3.75)
Christopher Horne (3.49)
Match: 3.74 Rating: 3.75
01/22/2023 D2 Adult 40+
4.0
ROHNERT PK TC/MAGNOLIA/M PK 40AM4.0A
No California		 W GALVIN PK 40AM4.0A
No California
Ian Hannah (3.73) 2-6
6-0
1-0		 Drew Gottlieb (3.65)
Seth Petersen (3.67)
Match: S Rating: 3.75
01/08/2023 D1 Adult 40+
4.0
MARINWOOD COMM CTR 40AM4.0A
No California		 L MARIN TC 40AM4.0B
No California
Frank Lee (3.88) 7-6
6-7
1-0		 John Honey (3.90)
Igor Scherba (3.53)
Match: 3.64 Rating: 3.75
11/19/2022 D1 Combo
8.5
ROHNERT PK TC/MAGNOLIA/M PK CM8.5A
No California		 L WIKIUP R SC CM8.5A
No California
Steven Colletto (-----) 6-4
6-1		 Chris Trechter (3.81)
Connor Van Alstyne (-----)
Match: S Rating: -----
11/05/2022 D2 Combo
8.5
ROHNERT PK TC/MAGNOLIA/M PK CM8.5A
No California		 W GALVIN PK CM8.5A
No California
Antonio Vigil (4.21) 6-0
6-0		 Default
Match: S 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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