Statistical Analysis and Estimated Tennis Ratings to the 10,000th of a Point
Match History (2017) View Advanced Player Stats
Jayson DeVries (River Forest, IL)
Male 		4.0 C
12/31/2022
Estimated Dynamic Rating 3.9632
8/9/2024
Projected Year End Rating ------
----------
4.0 Rating Meter
Rating Meter
3.5001 - 4.0000
Recent Match History Current Rating History
2017 Adult 40+ Season [Doubles]
League/Level Total
Matches		 Win Loss Tie WPct Total
Sets		 Win Loss WPct Total
Games		 Win Loss WPct Defaults
Adult 40+ 4.0 25 21 4 0 84.0 58 45 13 77.6 467 285 182 61.0 3
Total 25 21 4 0 84.0 58 45 13 77.6 467 285 182 61.0 3
Match Date League Team Court Partner Opponent(s) W/L Result Match Rating
12/16/2017 Adult 40+
4.0		 NITA E 40M40a Rush Copley (Esancy)
Midwest		 D3 Ryan Bowman
(-----) 		Default W 6-0
6-0		 ----- -----
12/16/2017 Adult 40+
4.0		 A40&O 4.0m Courts Plus Mills Sat 1:30 $15
Midwest		 D1 William Winsininski
(3.46) 		Keith Kinch
(3.78)
Jeffrey Wynsma
(3.67) 		L 6-1
6-3		 3.61 3.74
12/09/2017 Adult 40+
4.0		 A40&O 4.0m Courts Plus Mills Sat 1:30 $15
Midwest		 D2 Neal Johnson
(3.58) 		Seth Hanford
(3.73)
John Widzisz
(3.44) 		W 6-3
6-3		 3.88 3.80
12/03/2017 Adult 40+
4.0		 A40&O 4.0m Courts Plus Mills Sat 1:30 $15
Midwest		 D1 Keith Giltner
(3.64) 		jack wang
(3.46)
Weizhong He
(3.61) 		W 6-1
7-5		 3.81 3.78
11/04/2017 Adult 40+
4.0		 A40&O 4.0m Courts Plus Mills Sat 1:30 $15
Midwest		 D2 Cameron Jackson
(3.58) 		John Bicek
(3.85)
Scott Modica
(3.66) 		W 6-4
4-6
1-0		 3.87 3.79
10/08/2017 Adult 40+
4.0		 NITA E 40M40a Rush Copley (Esancy)
Midwest		 D3 Jens Borchert
(-----) 		Default W 6-0
6-0		 ----- -----
08/13/2017 Adult 40+
4.0
Regionals		 NITA W 40M40b Courts Plus (DeVries/Rawlins)
Midwest		 D3 Dennis Tysl
(3.95) 		Dan Kepler
(3.68)
Alan Leib
(3.57) 		L 2-6
6-3
1-0		 3.58 3.78
08/06/2017 Adult 40+
4.0
Districts		 A40&O 4.0m Northbrook Rawlins
Midwest		 D1 Dennis Tysl
(3.98) 		Jay Freedman
(3.83)
Stephen Ewaldz
(3.76) 		W 6-4
6-2		 3.92 3.86
07/30/2017 Adult 40+
4.0
Districts		 NITA W 40M40b Courts Plus (DeVries/Rawlins)
Midwest		 D1 John Li
(3.88) 		Don Zeidlhack
(3.81)
John Gatz
(3.71) 		W 6-4
6-3		 3.89 3.84
07/29/2017 Adult 40+
4.0		 A40&O 4.0m Northbrook Rawlins
Midwest		 D1 John Li
(3.86) 		Keith Kinch
(3.93)
John Griffin
(3.73) 		L 7-5
0-6
1-0		 3.89 3.85
07/23/2017 Adult 40+
4.0		 A40&O 4.0m Northbrook Rawlins
Midwest		 D1 John Li
(3.84) 		Joe Kreidler
(3.99)
Francis Avanzado
(3.73) 		W 2-6
6-3
1-0		 3.85 3.82
07/13/2017 Adult 40+
4.0		 A40&O 4.0m Northbrook Rawlins
Midwest		 D1 John Li
(3.86) 		Mark Crompton
(3.77)
Mark Blum
(3.70) 		W 3-6
7-6
1-0		 3.70 3.77
07/02/2017 Adult 40+
4.0		 A40&O 4.0m Northbrook Rawlins
Midwest		 D2 Ming Yang
(-----) 		Default W 6-0
6-0		 ----- -----
06/18/2017 Adult 40+
4.0		 A40&O 4.0m Northbrook Rawlins
Midwest		 D1 John Li
(3.88) 		William Kao
(3.58)
Glenn Federwitz
(3.83) 		W 6-2
6-1		 3.99 3.83
06/11/2017 Adult 40+
4.0		 A40&O 4.0m Northbrook Rawlins
Midwest		 D1 John Li
(3.86) 		Marty Zemelis
(3.81)
Steven Schenker
(3.67) 		W 3-6
6-2
1-0		 3.76 3.77
05/07/2017 Adult 40+
4.0		 A40&O 4.0m Northbrook Rawlins Sun 6:30 $19
Midwest		 D2 Jeff Wang
(3.81) 		Kirk Williams
(3.80)
Eric Pepa
(3.47) 		W 7-5
7-5		 3.70 3.79
04/29/2017 Adult 40+
4.0		 A40&O 4.0m Northbrook Rawlins Sun 6:30 $19
Midwest		 D1 John Li
(3.89) 		Walter Carney
(3.57)
Jeffrey Wynsma
(3.49) 		L 4-6
6-2
1-0		 3.43 3.75
04/23/2017 Adult 40+
4.0		 A40&O 4.0m Northbrook Rawlins Sun 6:30 $19
Midwest		 D1 WILLIAM Tourlas
(3.97) 		Scott Mills
(3.48)
Gene Potter
(3.55) 		W 7-5
6-0		 3.76 3.85
04/02/2017 Adult 40+
4.0		 A40&O 4.0m Northbrook Rawlins Sun 6:30 $19
Midwest		 D1 John Li
(3.87) 		Rich Katzmann
(3.80)
Scott Modica
(3.58) 		W 6-3
6-4		 3.84 3.87
04/01/2017 Adult 40+
4.0		 NITA W 40M40b Courts Plus (DeVries/Rawlins)
Midwest		 D2 John Li
(3.87) 		Brien Hodgman
(3.58)
Francis Avanzado
(3.75) 		W 6-2
7-5		 3.83 3.88
03/11/2017 Adult 40+
4.0		 NITA W 40M40b Courts Plus (DeVries/Rawlins)
Midwest		 D1 John Li
(3.87) 		Francis Avanzado
(3.72)
Don Zeidlhack
(3.83) 		W 6-3
7-5		 3.91 3.90
03/04/2017 Adult 40+
4.0		 A40&O 4.0m Northbrook Rawlins Sun 6:30 $19
Midwest		 D1 John Li
(3.91) 		Keith Mills
(3.44)
Justin Hoogendoorn
(3.66) 		W 6-3
6-3		 3.76 3.86
03/01/2017 Adult 40+
4.0		 NITA W 40M40b Courts Plus (DeVries/Rawlins)
Midwest		 D3 franklin ko
(3.62) 		Patrick Seermon
(3.80)
david wrobel
(3.72) 		W 7-5
6-1		 4.12 3.94
02/26/2017 Adult 40+
4.0		 A40&O 4.0m Northbrook Rawlins Sun 6:30 $19
Midwest		 D2 John Li
(3.89) 		Dan Kepler
(3.68)
Howard Braun
(3.67) 		W 6-1
6-2		 4.00 3.90
02/12/2017 Adult 40+
4.0		 A40&O 4.0m Northbrook Rawlins Sun 6:30 $19
Midwest		 D2 WILLIAM Tourlas
(3.94) 		Tom Sweeney
(3.57)
Tom Christ
(-----) 		W 6-0
6-2		 3.87 3.87
01/29/2017 Adult 40+
4.0		 A40&O 4.0m Northbrook Rawlins Sun 6:30 $19
Midwest		 D1 John Li
(3.82) 		William James
(3.75)
Hugo vanderGoes
(3.73) 		W 7-5
6-1		 3.95 3.87
01/28/2017 Adult 40+
4.0		 NITA W 40M40b Courts Plus (DeVries/Rawlins)
Midwest		 D2 John Li
(3.89) 		Scott Modica
(3.63)
Mark Crompton
(3.68) 		W 6-4
6-4		 3.76 3.82
01/08/2017 Adult 40+
4.0		 NITA E 40M40d Courts Plus (DeGroot)
Midwest		 D1 Mark Rawlins
(4.05) 		terry obrien
(4.00)
Scott Stanley
(3.58) 		W 5-7
6-0
1-0		 3.82 3.81
12/16/2017 D3 Adult 40+
4.0
NITA E 40M40a Rush Copley (Esancy)
Midwest		 W NITA E 40M40b Five Star (Cornfield)
Midwest
Ryan Bowman (-----) 6-0
6-0		 Default
Match: ----- Rating: -----
12/16/2017 D1 Adult 40+
4.0
A40&O 4.0m Courts Plus Mills Sat 1:30 $15
Midwest		 L A40&O 4.0m Wheaton Keyes Sat 4 $17
Midwest
William Winsininski (3.46) 6-1
6-3		 Keith Kinch (3.78)
Jeffrey Wynsma (3.67)
Match: 3.61 Rating: 3.74
12/09/2017 D2 Adult 40+
4.0
A40&O 4.0m Courts Plus Mills Sat 1:30 $15
Midwest		 W A40&O 4.0m Centre Court 2 Lenz Sun 11 $17
Midwest
Neal Johnson (3.58) 6-3
6-3		 Seth Hanford (3.73)
John Widzisz (3.44)
Match: 3.88 Rating: 3.80
12/03/2017 D1 Adult 40+
4.0
A40&O 4.0m Courts Plus Mills Sat 1:30 $15
Midwest		 W A40&O 4.0m Heritage Zeng Sun 6 $18
Midwest
Keith Giltner (3.64) 6-1
7-5		 jack wang (3.46)
Weizhong He (3.61)
Match: 3.81 Rating: 3.78
11/04/2017 D2 Adult 40+
4.0
A40&O 4.0m Courts Plus Mills Sat 1:30 $15
Midwest		 W A40&O 4.0m Rush Esancy Sat 3 $16
Midwest
Cameron Jackson (3.58) 6-4
4-6
1-0		 John Bicek (3.85)
Scott Modica (3.66)
Match: 3.87 Rating: 3.79
10/08/2017 D3 Adult 40+
4.0
NITA E 40M40a Rush Copley (Esancy)
Midwest		 W NITA E 40M40b Five Star (Cornfield)
Midwest
Jens Borchert (-----) 6-0
6-0		 Default
Match: ----- Rating: -----
08/13/2017 D3 Adult 40+
4.0
Regionals
NITA W 40M40b Courts Plus (DeVries/Rawlins)
Midwest		 L A40&O 4.0m Midtown-Bann Swartz Sun 12
Midwest
Dennis Tysl (3.95) 2-6
6-3
1-0		 Dan Kepler (3.68)
Alan Leib (3.57)
Match: 3.58 Rating: 3.78
08/06/2017 D1 Adult 40+
4.0
Districts
A40&O 4.0m Northbrook Rawlins
Midwest		 W A40&O 4.0m Midtown-Bann Swartz Sun 12
Midwest
Dennis Tysl (3.98) 6-4
6-2		 Jay Freedman (3.83)
Stephen Ewaldz (3.76)
Match: 3.92 Rating: 3.86
07/30/2017 D1 Adult 40+
4.0
Districts
NITA W 40M40b Courts Plus (DeVries/Rawlins)
Midwest		 W NITA S 40M40b Rush Copley (Esancy)
Midwest
John Li (3.88) 6-4
6-3		 Don Zeidlhack (3.81)
John Gatz (3.71)
Match: 3.89 Rating: 3.84
07/29/2017 D1 Adult 40+
4.0
A40&O 4.0m Northbrook Rawlins
Midwest		 L A40&O 4.0m Wheaton Keyes Wed 7 $16
Midwest
John Li (3.86) 7-5
0-6
1-0		 Keith Kinch (3.93)
John Griffin (3.73)
Match: 3.89 Rating: 3.85
07/23/2017 D1 Adult 40+
4.0
A40&O 4.0m Northbrook Rawlins
Midwest		 W A40&O 4.0m TAM Huh Sun 1 $17
Midwest
John Li (3.84) 2-6
6-3
1-0		 Joe Kreidler (3.99)
Francis Avanzado (3.73)
Match: 3.85 Rating: 3.82
07/13/2017 D1 Adult 40+
4.0
A40&O 4.0m Northbrook Rawlins
Midwest		 W A40&O 4.0m Oak Brook Esancy Thur 7:30 $17
Midwest
John Li (3.86) 3-6
7-6
1-0		 Mark Crompton (3.77)
Mark Blum (3.70)
Match: 3.70 Rating: 3.77
07/02/2017 D2 Adult 40+
4.0
A40&O 4.0m Northbrook Rawlins
Midwest		 W A40&O 4.0m Barrington Kent Sun 12 $17
Midwest
Ming Yang (-----) 6-0
6-0		 Default
Match: ----- Rating: -----
06/18/2017 D1 Adult 40+
4.0
A40&O 4.0m Northbrook Rawlins
Midwest		 W A40&O 4.0m Centre Court 2 Lenz Sun 11 $17
Midwest
John Li (3.88) 6-2
6-1		 William Kao (3.58)
Glenn Federwitz (3.83)
Match: 3.99 Rating: 3.83
06/11/2017 D1 Adult 40+
4.0
A40&O 4.0m Northbrook Rawlins
Midwest		 W A40&O 4.0m Mt-Bann Swartz Sun 12 $20
Midwest
John Li (3.86) 3-6
6-2
1-0		 Marty Zemelis (3.81)
Steven Schenker (3.67)
Match: 3.76 Rating: 3.77
05/07/2017 D2 Adult 40+
4.0
A40&O 4.0m Northbrook Rawlins Sun 6:30 $19
Midwest		 W A40&O 4.0m Centre Court 2 Lenz Sun 11 $17
Midwest
Jeff Wang (3.81) 7-5
7-5		 Kirk Williams (3.80)
Eric Pepa (3.47)
Match: 3.70 Rating: 3.79
04/29/2017 D1 Adult 40+
4.0
A40&O 4.0m Northbrook Rawlins Sun 6:30 $19
Midwest		 L A40&O 4.0m Wheaton Keyes Sat 4 $16
Midwest
John Li (3.89) 4-6
6-2
1-0		 Walter Carney (3.57)
Jeffrey Wynsma (3.49)
Match: 3.43 Rating: 3.75
04/23/2017 D1 Adult 40+
4.0
A40&O 4.0m Northbrook Rawlins Sun 6:30 $19
Midwest		 W A40&O 4.0m Vaughan Potts Sun 11 $16
Midwest
WILLIAM Tourlas (3.97) 7-5
6-0		 Scott Mills (3.48)
Gene Potter (3.55)
Match: 3.76 Rating: 3.85
04/02/2017 D1 Adult 40+
4.0
A40&O 4.0m Northbrook Rawlins Sun 6:30 $19
Midwest		 W A40&O 4.0m Oak Brook Esancy Sun 5 $17
Midwest
John Li (3.87) 6-3
6-4		 Rich Katzmann (3.80)
Scott Modica (3.58)
Match: 3.84 Rating: 3.87
04/01/2017 D2 Adult 40+
4.0
NITA W 40M40b Courts Plus (DeVries/Rawlins)
Midwest		 W NITA W 40M40a Five Star (Esancy)
Midwest
John Li (3.87) 6-2
7-5		 Brien Hodgman (3.58)
Francis Avanzado (3.75)
Match: 3.83 Rating: 3.88
03/11/2017 D1 Adult 40+
4.0
NITA W 40M40b Courts Plus (DeVries/Rawlins)
Midwest		 W NITA W 40M40a Five Star (Esancy)
Midwest
John Li (3.87) 6-3
7-5		 Francis Avanzado (3.72)
Don Zeidlhack (3.83)
Match: 3.91 Rating: 3.90
03/04/2017 D1 Adult 40+
4.0
A40&O 4.0m Northbrook Rawlins Sun 6:30 $19
Midwest		 W A40&O 4.0m Courts Plus Mills Sat 1:30 $15
Midwest
John Li (3.91) 6-3
6-3		 Keith Mills (3.44)
Justin Hoogendoorn (3.66)
Match: 3.76 Rating: 3.86
03/01/2017 D3 Adult 40+
4.0
NITA W 40M40b Courts Plus (DeVries/Rawlins)
Midwest		 W NITA W 40M40a Five Star (Esancy)
Midwest
franklin ko (3.62) 7-5
6-1		 Patrick Seermon (3.80)
david wrobel (3.72)
Match: 4.12 Rating: 3.94
02/26/2017 D2 Adult 40+
4.0
A40&O 4.0m Northbrook Rawlins Sun 6:30 $19
Midwest		 W A40&O 4.0m MT-Bann Swartz Sun 12 $20
Midwest
John Li (3.89) 6-1
6-2		 Dan Kepler (3.68)
Howard Braun (3.67)
Match: 4.00 Rating: 3.90
02/12/2017 D2 Adult 40+
4.0
A40&O 4.0m Northbrook Rawlins Sun 6:30 $19
Midwest		 W A40&O 4.0m Crystal Lake Kent Sun 10
Midwest
WILLIAM Tourlas (3.94) 6-0
6-2		 Tom Sweeney (3.57)
Tom Christ (-----)
Match: 3.87 Rating: 3.87
01/29/2017 D1 Adult 40+
4.0
A40&O 4.0m Northbrook Rawlins Sun 6:30 $19
Midwest		 W A40&O 4.0m TAM 1 Huh Sat 1 $17
Midwest
John Li (3.82) 7-5
6-1		 William James (3.75)
Hugo vanderGoes (3.73)
Match: 3.95 Rating: 3.87
01/28/2017 D2 Adult 40+
4.0
NITA W 40M40b Courts Plus (DeVries/Rawlins)
Midwest		 W NITA W 40M40a Five Star (Esancy)
Midwest
John Li (3.89) 6-4
6-4		 Scott Modica (3.63)
Mark Crompton (3.68)
Match: 3.76 Rating: 3.82
01/08/2017 D1 Adult 40+
4.0
NITA E 40M40d Courts Plus (DeGroot)
Midwest		 W NITA E 40M40c The Racket Club (Kent/Davenport)
Midwest
Mark Rawlins (4.05) 5-7
6-0
1-0		 terry obrien (4.00)
Scott Stanley (3.58)
Match: 3.82 Rating: 3.81
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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