Statistical Analysis and Estimated Tennis Ratings to the 10,000th of a Point
Match History (2018) View Advanced Player Stats
Douglas Shonrock (Brookhaven, GA)
Male 		3.5 C
12/31/2023
Estimated Dynamic Rating 3.4929
9/24/2024
Projected Year End Rating ------
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3.5 Rating Meter
Rating Meter
3.0001 - 3.5000
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+ 3.5 7 3 4 0 42.9 16 7 9 43.8 142 64 78 45.1 0
Adult 40+ 3.5 5 2 3 0 40.0 13 5 8 38.5 121 52 69 43.0 0
Adult 55+ 3.5 6 5 1 0 83.3 12 9 3 75.0 109 63 46 57.8 0
Total 18 10 8 0 55.6 41 21 20 51.2 372 179 193 48.1 0
Match Date League Team Court Partner Opponent(s) W/L Result Match Rating
12/04/2018 Adult 18+
3.5		 Windy Hill AC (Alan Grothe)*
Southern		 D1 Jeff Olson
(3.18) 		Austin Jones
(3.24)
Burton Peebles
(3.18) 		L 6-0
3-6
6-1		 3.06 3.24
11/03/2018 Adult 55+
3.5
Flight		 Windy Hill (Leroy Emkin)*
Southern		 D2 Walter Brill
(2.93) 		Russ Gresham
(3.51)
Richard Johnson
(3.29) 		L 6-2
7-6		 3.43 3.30
10/07/2018 Adult 55+
3.5		 Windy Hill (Leroy Emkin)*
Southern		 D1 Jeff Olson
(3.32) 		John Shore
(3.23)
Elliot Kalick
(2.73) 		W 6-1
7-5		 3.23 3.32
09/30/2018 Adult 55+
3.5		 Windy Hill (Leroy Emkin)*
Southern		 D2 Kenneth Kirk
(3.29) 		Thomas Hooper
(3.44)
Roger Malsbury
(3.18) 		W 6-4
6-3		 3.47 3.38
09/16/2018 Adult 55+
3.5		 Windy Hill (Leroy Emkin)*
Southern		 D1 Kenneth Kirk
(3.12) 		Mark Hackett
(3.06)
John Shore
(3.18) 		W 7-5
3-6
1-0		 3.23 3.33
08/18/2018 Adult 40+
3.5		 Windy Hill (Leroy Emkin)*
Southern		 D1 Jeff Olson
(3.24) 		Barry Major
(3.36)
James Chinn
(3.18) 		L 6-1
6-7
6-2		 3.20 3.33
08/11/2018 Adult 40+
3.5		 Windy Hill (Leroy Emkin)*
Southern		 D2 John Schlicht
(3.21) 		Mark Walton
(3.34)
John Walsh
(3.45) 		W 3-6
6-2
7-5		 3.51 3.42
07/28/2018 Adult 40+
3.5		 Windy Hill (Leroy Emkin)*
Southern		 D1 Jeff Olson
(3.27) 		Kenneth Draughon
(3.46)
Luke Bennett
(2.97) 		L 7-6
6-2		 3.15 3.33
07/21/2018 Adult 40+
3.5		 Windy Hill (Leroy Emkin)*
Southern		 D3 Leroy Emkin
(2.79) 		John Walsh
(3.44)
Mark Conable
(3.37) 		L 6-2
6-1		 3.39 3.39
07/15/2018 Adult 18+
3.5		 Windy Hill (Alan Grothe)*
Southern		 D3 Mark McQuillen
(2.64) 		Tom Cox
(3.24)
David Rappe
(3.09) 		W 6-7
6-4
6-4		 3.57 3.43
07/08/2018 Adult 18+
3.5		 Windy Hill (Alan Grothe)*
Southern		 D1 John Schlicht
(3.28) 		Sterling Zerbe
(3.00)
Edward Everett
(3.46) 		L 6-4
6-2		 3.10 3.34
06/10/2018 Adult 18+
3.5		 Windy Hill (Alan Grothe)*
Southern		 D1 Jeff Olson
(3.32) 		Josh Davis
(2.84)
Joshua Johnson
(3.16) 		W 6-2
6-3		 3.30 3.41
06/03/2018 Adult 18+
3.5		 Windy Hill (Alan Grothe)*
Southern		 D1 Leroy Emkin
(2.77) 		Yograj Patel
(3.44)
Mahesh Wali
(3.44) 		L 6-3
6-0		 3.43 3.43
04/08/2018 Adult 55+
3.5
Flight		 Windy Hill (Leroy Emkin)*
Southern		 D3 Jeff Olson
(3.28) 		Wayne Cook
(3.25)
Michael Powell
(2.99) 		W 7-6 3.26 3.43
03/18/2018 Adult 40+
3.5		 Windy Hill (Leroy Emkin)*
Southern		 D1 Jeff Olson
(3.38) 		Edward Staff
(3.27)
John Apgar
(3.53) 		W 6-3
3-6
6-4		 3.52 3.47
03/17/2018 Adult 55+
3.5		 Windy Hill (Leroy Emkin)*
Southern		 D1 Jeff Olson
(3.26) 		William Bray
(3.55)
Bill Prodny
(3.50) 		W 6-1
6-2		 3.95 3.55
01/20/2018 Adult 18+
3.5		 Windy Hill AC (Alan Grothe)*
Southern		 D2 Mark McQuillen
(2.59) 		MIKE ELLISON
(2.85)
Chris Hudson
(3.05) 		W 7-6
6-1		 3.52 3.43
01/10/2018 Adult 18+
3.5		 Windy Hill AC (Alan Grothe)*
Southern		 D2 Marc Kornfield
(3.16) 		Rodney Fosdick
(3.35)
david armata
(3.55) 		L 6-3
6-2		 3.33 3.39
12/04/2018 D1 Adult 18+
3.5
Windy Hill AC (Alan Grothe)*
Southern		 L Piedmont Park (Thomson Mai)*
Southern
Jeff Olson (3.18) 6-0
3-6
6-1		 Austin Jones (3.24)
Burton Peebles (3.18)
Match: 3.06 Rating: 3.24
11/03/2018 D2 Adult 55+
3.5
Flight
Windy Hill (Leroy Emkin)*
Southern		 L BridgeMill (David Ball)*
Southern
Walter Brill (2.93) 6-2
7-6		 Russ Gresham (3.51)
Richard Johnson (3.29)
Match: 3.43 Rating: 3.30
10/07/2018 D1 Adult 55+
3.5
Windy Hill (Leroy Emkin)*
Southern		 W Olde Towne (Rick Olson)*
Southern
Jeff Olson (3.32) 6-1
7-5		 John Shore (3.23)
Elliot Kalick (2.73)
Match: 3.23 Rating: 3.32
09/30/2018 D2 Adult 55+
3.5
Windy Hill (Leroy Emkin)*
Southern		 W Kennworth (Bob Christmas)*
Southern
Kenneth Kirk (3.29) 6-4
6-3		 Thomas Hooper (3.44)
Roger Malsbury (3.18)
Match: 3.47 Rating: 3.38
09/16/2018 D1 Adult 55+
3.5
Windy Hill (Leroy Emkin)*
Southern		 W Olde Towne (Rick Olson)*
Southern
Kenneth Kirk (3.12) 7-5
3-6
1-0		 Mark Hackett (3.06)
John Shore (3.18)
Match: 3.23 Rating: 3.33
08/18/2018 D1 Adult 40+
3.5
Windy Hill (Leroy Emkin)*
Southern		 L Cherokee Town and CC (Kenneth Draughon)*
Southern
Jeff Olson (3.24) 6-1
6-7
6-2		 Barry Major (3.36)
James Chinn (3.18)
Match: 3.20 Rating: 3.33
08/11/2018 D2 Adult 40+
3.5
Windy Hill (Leroy Emkin)*
Southern		 W The Estates (Phillip Edwards)*
Southern
John Schlicht (3.21) 3-6
6-2
7-5		 Mark Walton (3.34)
John Walsh (3.45)
Match: 3.51 Rating: 3.42
07/28/2018 D1 Adult 40+
3.5
Windy Hill (Leroy Emkin)*
Southern		 L Cherokee Town and CC (Kenneth Draughon)*
Southern
Jeff Olson (3.27) 7-6
6-2		 Kenneth Draughon (3.46)
Luke Bennett (2.97)
Match: 3.15 Rating: 3.33
07/21/2018 D3 Adult 40+
3.5
Windy Hill (Leroy Emkin)*
Southern		 L The Estates (Phillip Edwards)*
Southern
Leroy Emkin (2.79) 6-2
6-1		 John Walsh (3.44)
Mark Conable (3.37)
Match: 3.39 Rating: 3.39
07/15/2018 D3 Adult 18+
3.5
Windy Hill (Alan Grothe)*
Southern		 W Olde Towne (Rick Olson)*
Southern
Mark McQuillen (2.64) 6-7
6-4
6-4		 Tom Cox (3.24)
David Rappe (3.09)
Match: 3.57 Rating: 3.43
07/08/2018 D1 Adult 18+
3.5
Windy Hill (Alan Grothe)*
Southern		 L Sandy Springs TC (Justin Fuller)*
Southern
John Schlicht (3.28) 6-4
6-2		 Sterling Zerbe (3.00)
Edward Everett (3.46)
Match: 3.10 Rating: 3.34
06/10/2018 D1 Adult 18+
3.5
Windy Hill (Alan Grothe)*
Southern		 W Heritage Club (Josh Davis)*
Southern
Jeff Olson (3.32) 6-2
6-3		 Josh Davis (2.84)
Joshua Johnson (3.16)
Match: 3.30 Rating: 3.41
06/03/2018 D1 Adult 18+
3.5
Windy Hill (Alan Grothe)*
Southern		 L Marquis Perimeter Center (Magesh Balasubramanian)*
Southern
Leroy Emkin (2.77) 6-3
6-0		 Yograj Patel (3.44)
Mahesh Wali (3.44)
Match: 3.43 Rating: 3.43
04/08/2018 D3 Adult 55+
3.5
Flight
Windy Hill (Leroy Emkin)*
Southern		 W River Club (Wayne Cook)*
Southern
Jeff Olson (3.28) 7-6 Wayne Cook (3.25)
Michael Powell (2.99)
Match: 3.26 Rating: 3.43
03/18/2018 D1 Adult 40+
3.5
Windy Hill (Leroy Emkin)*
Southern		 W Oxford Mill (David Nesselroad)*
Southern
Jeff Olson (3.38) 6-3
3-6
6-4		 Edward Staff (3.27)
John Apgar (3.53)
Match: 3.52 Rating: 3.47
03/17/2018 D1 Adult 55+
3.5
Windy Hill (Leroy Emkin)*
Southern		 W Kennworth Park (Bob Christmas)*
Southern
Jeff Olson (3.26) 6-1
6-2		 William Bray (3.55)
Bill Prodny (3.50)
Match: 3.95 Rating: 3.55
01/20/2018 D2 Adult 18+
3.5
Windy Hill AC (Alan Grothe)*
Southern		 W Harrison TC (David Menna)*
Southern
Mark McQuillen (2.59) 7-6
6-1		 MIKE ELLISON (2.85)
Chris Hudson (3.05)
Match: 3.52 Rating: 3.43
01/10/2018 D2 Adult 18+
3.5
Windy Hill AC (Alan Grothe)*
Southern		 L Legacy Park (Rodney Fosdick)*
Southern
Marc Kornfield (3.16) 6-3
6-2		 Rodney Fosdick (3.35)
david armata (3.55)
Match: 3.33 Rating: 3.39
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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