Statistical Analysis and Estimated Tennis Ratings to the 10,000th of a Point
Match History (2023) View Advanced Player Stats
Matthew Zimmerling (Folsom, CA)
Male 		4.5 C
12/31/2024
Estimated Dynamic Rating 4.2961
11/15/2025
Projected Year End Rating ------
----------
4.5 Rating Meter
Rating Meter
4.0001 - 4.5000
Recent Match History Current Rating History
Match Date League Team Court Partner Opponent(s) W/L Result Match Rating
10/08/2023 Adult 40+
4.5		 ZEPHYR COVE 40AM4.5B
No California		 D2 Jeff Wong
(4.48) 		Steven Robinson
(4.03)
David Heldt-Werle
(4.23) 		W 6-2
6-2		 4.30 4.27
10/02/2023 Adult 40+
4.5		 ZEPHYR COVE 40AM4.5B
No California		 D2 Robert Beutenmiller
(4.21) 		Michael Rennels
(4.09)
Ray Fugitt
(3.74) 		W 6-4
6-3		 4.10 4.24
09/30/2023 Adult 40+
4.5		 ZEPHYR COVE 40AM4.5B
No California		 D3 Robert Medeiros
(4.42) 		Ross Rittiman
(4.43)
Michael Rennels
(4.11) 		W 6-3
6-3		 4.38 4.28
08/20/2023 Mixed 40+
9.0		 JOHNSON RANCH 40MX9.0A
No California		 D2 Sasha Macktinger
(4.38) 		Tay Nguyen
(4.13)
Michelle Chapple
(4.90) 		L 6-0
6-2		 4.11 4.26
08/13/2023 Mixed 40+
8.0		 JOHNSON RANCH 40MX8.0C
No California		 D3 Angela Mabe
(3.43) 		Chandra Mahadevan
(4.05)
Debbie Peter
(3.78) 		W 7-6
6-2		 4.47 4.33
08/12/2023 Adult 18+
4.5
Sectionals		 JOHNSON RANCH 18AM4.5A
No California		 D1 Matt Kim
(4.03) 		Ryan Smith
(4.53)
John Hackbert
(4.45) 		L 6-0
6-3		 4.26 4.26
08/12/2023 Adult 18+
4.5
Sectionals		 JOHNSON RANCH 18AM4.5A
No California		 D3 Matt Kim
(4.04) 		Alejandro Alfaro
(4.34)
Javier Lagarde
(4.28) 		L 6-2
6-2		 4.13 4.24
08/11/2023 Adult 18+
4.5
Sectionals		 JOHNSON RANCH 18AM4.5A
No California		 D2 Matt Kim
(4.08) 		Joshua Kaye
(4.57)
Anthony Phommachit
(4.37) 		L 6-1
6-0		 4.13 4.26
07/09/2023 Adult 18+
4.5
League		 JOHNSON RANCH 18AM4.5A
No California		 D1 Aaron Girvin
(4.14) 		Diego Arce
(4.14)
Eric Teply
(4.19) 		L 6-4
6-3		 4.09 4.26
07/05/2023 Mixed 40+
8.0		 JOHNSON RANCH 40MX8.0C
No California		 D2 Barbara Sanchez
(3.46) 		Debbie Peter
(3.75)
Venu Bojja
(3.81) 		W 6-0
3-6
1-0		 4.32 4.28
07/03/2023 Mixed 40+
9.0		 JOHNSON RANCH 40MX9.0A
No California		 D2 Kimberly Lewis
(4.25) 		Fritzie Archuleta
(4.00)
edwin lopez
(4.10) 		W 3-6
6-3
1-0		 4.10 4.26
06/17/2023 Adult 18+
4.5		 JOHNSON RANCH 18AM4.5A
No California		 D1 Parris Krygsman
(4.36) 		Paul Buckle
(4.29)
Loredo Lawsin
(4.15) 		W 3-6
6-4
1-0		 4.20 4.28
06/08/2023 Adult 18+
4.5		 JOHNSON RANCH 18AM4.5A
No California		 D2 Matt Kim
(4.02) 		Erik Nelson
(4.28)
Matt Schmitt
(4.42) 		L 6-0
3-6
1-0		 4.35 4.31
05/20/2023 Adult 40+
Sectionals		 JOHNSON RANCH 40AM4.5A
No California		 D2 Edgar Quilala
(4.00) 		George Macaluso
(3.99)
Graeme Robertson
(4.09) 		W 7-5
6-4		 4.26 4.30
05/19/2023 Adult 40+
Sectionals		 JOHNSON RANCH 40AM4.5A
No California		 D1 Aaron Girvin
(4.23) 		Tri Tran
(4.30)
Justin Lu
(4.33) 		L 6-0
6-2		 3.98 4.26
05/19/2023 Adult 40+
Sectionals		 JOHNSON RANCH 40AM4.5A
No California		 D1 Aaron Girvin
(4.18) 		Patrick Beauchemin
(4.34)
Leif Krauss
(4.36) 		W 6-1
1-6
1-0		 4.46 4.34
05/10/2023 Adult 18+
4.5		 JOHNSON RANCH 18AM4.5A
No California		 D2 Parris Krygsman
(4.18) 		Michael Dong
(4.48)
Abel Orozco
(4.44) 		L 7-6
4-6
1-0		 4.52 4.33
04/30/2023 Adult 18+
4.5		 JOHNSON RANCH 18AM4.5A
No California		 D1 David Floth
(4.12) 		Michael Bedard
(4.32)
Michael Dong
(4.49) 		L 7-5
7-5		 4.39 4.30
04/22/2023 Adult 18+
4.5		 JOHNSON RANCH 18AM4.5A
No California		 D3 Scott Edwards
(4.04) 		Paul Gee
(3.81)
David Peterson
(4.15) 		W 6-7
6-2
1-0		 4.17 4.26
03/26/2023 Adult 40+
Flight		 JOHNSON RANCH 40AM4.5A
No California		 D3 Jonathan Yip
(4.20) 		Paul Buckle
(4.16)
Zoran Popazivanov
(4.24) 		L 6-0
6-2		 3.87 4.24
03/19/2023 Mixed 18+
8.0		 BROADSTONE RC 18MX8.0A
No California		 D2 Caroline Duong-Tran
(-----) 		Default W 6-0
6-0		 ----- -----
03/08/2023 Adult 40+ JOHNSON RANCH 40AM4.5A
No California		 D3 Eric Garcia
(3.78) 		Rusty Mendoza
(3.69)
Bruce Volpe
(3.91) 		W 6-3
6-4		 S 4.30
03/03/2023 Adult 40+ JOHNSON RANCH 40AM4.5A
No California		 D1 Jonathan Yip
(4.14) 		Tay Nguyen
(4.12)
Thuan Nguyen
(4.15) 		W 7-6
6-4		 4.28 4.30
01/29/2023 Mixed 18+
8.0		 BROADSTONE RC 18MX8.0A
No California		 D1 Barbara Sanchez
(3.41) 		Dana Nuccitelli
(3.84)
May Zipp
(3.68) 		L 3-6
6-3
1-0		 4.18 4.29
01/21/2023 Adult 40+ JOHNSON RANCH 40AM4.5A
No California		 D1 Brian Ishimoto
(4.26) 		David Janas
(4.26)
Matt Reveno
(4.28) 		L 6-0
3-6
1-0		 4.16 4.30
01/15/2023 Adult 40+ JOHNSON RANCH 40AM4.5A
No California		 D1 Anton Talle
(4.25) 		Michael Dong
(4.46)
Abel Orozco
(4.47) 		L 6-3
6-4		 4.35 4.32
10/08/2023 D2 Adult 40+
4.5
ZEPHYR COVE 40AM4.5B
No California		 W ZEPHYR COVE 40AM4.5A
No California
Jeff Wong (4.48) 6-2
6-2		 Steven Robinson (4.03)
David Heldt-Werle (4.23)
Match: 4.30 Rating: 4.27
10/02/2023 D2 Adult 40+
4.5
ZEPHYR COVE 40AM4.5B
No California		 W ZEPHYR COVE 40AM4.5A
No California
Robert Beutenmiller (4.21) 6-4
6-3		 Michael Rennels (4.09)
Ray Fugitt (3.74)
Match: 4.10 Rating: 4.24
09/30/2023 D3 Adult 40+
4.5
ZEPHYR COVE 40AM4.5B
No California		 W ZEPHYR COVE 40AM4.5A
No California
Robert Medeiros (4.42) 6-3
6-3		 Ross Rittiman (4.43)
Michael Rennels (4.11)
Match: 4.38 Rating: 4.28
08/20/2023 D2 Mixed 40+
9.0
JOHNSON RANCH 40MX9.0A
No California		 L LAGUNA CREEK 40MX9.0A
No California
Sasha Macktinger (4.38) 6-0
6-2		 Tay Nguyen (4.13)
Michelle Chapple (4.90)
Match: 4.11 Rating: 4.26
08/13/2023 D3 Mixed 40+
8.0
JOHNSON RANCH 40MX8.0C
No California		 W ED MITCHELL PK 40MX8.0A
No California
Angela Mabe (3.43) 7-6
6-2		 Chandra Mahadevan (4.05)
Debbie Peter (3.78)
Match: 4.47 Rating: 4.33
08/12/2023 D1 Adult 18+
4.5
Sectionals
JOHNSON RANCH 18AM4.5A
No California		 L ROLLING HILLS 18AM4.5A
No California
Matt Kim (4.03) 6-0
6-3		 Ryan Smith (4.53)
John Hackbert (4.45)
Match: 4.26 Rating: 4.26
08/12/2023 D3 Adult 18+
4.5
Sectionals
JOHNSON RANCH 18AM4.5A
No California		 L MODESTO F RC 18AM4.5A
No California
Matt Kim (4.04) 6-2
6-2		 Alejandro Alfaro (4.34)
Javier Lagarde (4.28)
Match: 4.13 Rating: 4.24
08/11/2023 D2 Adult 18+
4.5
Sectionals
JOHNSON RANCH 18AM4.5A
No California		 L WALLENBERG PK 18AM4.5A
No California
Matt Kim (4.08) 6-1
6-0		 Joshua Kaye (4.57)
Anthony Phommachit (4.37)
Match: 4.13 Rating: 4.26
07/09/2023 D1 Adult 18+
4.5
League
JOHNSON RANCH 18AM4.5A
No California		 L BROADSTONE RC 18AM4.5A
No California
Aaron Girvin (4.14) 6-4
6-3		 Diego Arce (4.14)
Eric Teply (4.19)
Match: 4.09 Rating: 4.26
07/05/2023 D2 Mixed 40+
8.0
JOHNSON RANCH 40MX8.0C
No California		 W ED MITCHELL PK 40MX8.0A
No California
Barbara Sanchez (3.46) 6-0
3-6
1-0		 Debbie Peter (3.75)
Venu Bojja (3.81)
Match: 4.32 Rating: 4.28
07/03/2023 D2 Mixed 40+
9.0
JOHNSON RANCH 40MX9.0A
No California		 W LAGUNA CREEK 40MX9.0A
No California
Kimberly Lewis (4.25) 3-6
6-3
1-0		 Fritzie Archuleta (4.00)
edwin lopez (4.10)
Match: 4.10 Rating: 4.26
06/17/2023 D1 Adult 18+
4.5
JOHNSON RANCH 18AM4.5A
No California		 W BROADSTONE RC 18AM4.5A
No California
Parris Krygsman (4.36) 3-6
6-4
1-0		 Paul Buckle (4.29)
Loredo Lawsin (4.15)
Match: 4.20 Rating: 4.28
06/08/2023 D2 Adult 18+
4.5
JOHNSON RANCH 18AM4.5A
No California		 L PARK TERRACE 18AM4.5A
No California
Matt Kim (4.02) 6-0
3-6
1-0		 Erik Nelson (4.28)
Matt Schmitt (4.42)
Match: 4.35 Rating: 4.31
05/20/2023 D2 Adult 40+
Sectionals
JOHNSON RANCH 40AM4.5A
No California		 W CARMEL VAC 40AM4.5A
No California
Edgar Quilala (4.00) 7-5
6-4		 George Macaluso (3.99)
Graeme Robertson (4.09)
Match: 4.26 Rating: 4.30
05/19/2023 D1 Adult 40+
Sectionals
JOHNSON RANCH 40AM4.5A
No California		 L BAY CLUB SF TENNIS 40AM4.5A
No California
Aaron Girvin (4.23) 6-0
6-2		 Tri Tran (4.30)
Justin Lu (4.33)
Match: 3.98 Rating: 4.26
05/19/2023 D1 Adult 40+
Sectionals
JOHNSON RANCH 40AM4.5A
No California		 W ROUND HILL CC 40AM4.5A
No California
Aaron Girvin (4.18) 6-1
1-6
1-0		 Patrick Beauchemin (4.34)
Leif Krauss (4.36)
Match: 4.46 Rating: 4.34
05/10/2023 D2 Adult 18+
4.5
JOHNSON RANCH 18AM4.5A
No California		 L GOLD RIVER RC 18AM4.5B
No California
Parris Krygsman (4.18) 7-6
4-6
1-0		 Michael Dong (4.48)
Abel Orozco (4.44)
Match: 4.52 Rating: 4.33
04/30/2023 D1 Adult 18+
4.5
JOHNSON RANCH 18AM4.5A
No California		 L GOLD RIVER RC 18AM4.5B
No California
David Floth (4.12) 7-5
7-5		 Michael Bedard (4.32)
Michael Dong (4.49)
Match: 4.39 Rating: 4.30
04/22/2023 D3 Adult 18+
4.5
JOHNSON RANCH 18AM4.5A
No California		 W PARK TERRACE 18AM4.5A
No California
Scott Edwards (4.04) 6-7
6-2
1-0		 Paul Gee (3.81)
David Peterson (4.15)
Match: 4.17 Rating: 4.26
03/26/2023 D3 Adult 40+
Flight
JOHNSON RANCH 40AM4.5A
No California		 L BROADSTONE RC 40AM4.5A
No California
Jonathan Yip (4.20) 6-0
6-2		 Paul Buckle (4.16)
Zoran Popazivanov (4.24)
Match: 3.87 Rating: 4.24
03/19/2023 D2 Mixed 18+
8.0
BROADSTONE RC 18MX8.0A
No California		 W RIO DEL ORO 18MX8.0A
No California
Caroline Duong-Tran (-----) 6-0
6-0		 Default
Match: ----- Rating: -----
03/08/2023 D3 Adult 40+
JOHNSON RANCH 40AM4.5A
No California		 W ROSEVILLE LIFE TIME 40AM4.5A
No California
Eric Garcia (3.78) 6-3
6-4		 Rusty Mendoza (3.69)
Bruce Volpe (3.91)
Match: S Rating: 4.30
03/03/2023 D1 Adult 40+
JOHNSON RANCH 40AM4.5A
No California		 W LAGUNA CREEK 40AM4.5A
No California
Jonathan Yip (4.14) 7-6
6-4		 Tay Nguyen (4.12)
Thuan Nguyen (4.15)
Match: 4.28 Rating: 4.30
01/29/2023 D1 Mixed 18+
8.0
BROADSTONE RC 18MX8.0A
No California		 L GOLD RIVER RC 18MX8.0A
No California
Barbara Sanchez (3.41) 3-6
6-3
1-0		 Dana Nuccitelli (3.84)
May Zipp (3.68)
Match: 4.18 Rating: 4.29
01/21/2023 D1 Adult 40+
JOHNSON RANCH 40AM4.5A
No California		 L BROADSTONE RC 40AM4.5A
No California
Brian Ishimoto (4.26) 6-0
3-6
1-0		 David Janas (4.26)
Matt Reveno (4.28)
Match: 4.16 Rating: 4.30
01/15/2023 D1 Adult 40+
JOHNSON RANCH 40AM4.5A
No California		 L GOLD RIVER RC 40AM4.5B
No California
Anton Talle (4.25) 6-3
6-4		 Michael Dong (4.46)
Abel Orozco (4.47)
Match: 4.35 Rating: 4.32
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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