Statistical Analysis and Estimated Tennis Ratings to the 10,000th of a Point
Match History (2022) View Advanced Player Stats
Sean Der (Sparks Glenco, MD)
Male 		4.5 C
12/31/2024
Estimated Dynamic Rating 4.3252
3/6/2025
Projected Year End Rating ------
----------
4.5 Rating Meter
Rating Meter
4.0001 - 4.5000
Recent Match History Current Rating History
2022 Adult 40+ Season
League/Level Total
Matches		 Win Loss Tie WPct Total
Sets		 Win Loss WPct Total
Games		 Win Loss WPct Defaults
Adult 40+ 4.0 13 11 2 0 84.6 29 22 7 75.9 211 138 73 65.4 0
Adult 40+ 4.5 3 2 1 0 66.7 6 4 2 66.7 52 31 21 59.6 0
Total 16 13 3 0 81.3 35 26 9 74.3 263 169 94 64.3 0
Match Date League Team Court Partner Opponent(s) W/L Result Match Rating
08/20/2022 Adult 40+
4.0
Sectionals		 Cobra Kai 40+
Mid-Atlantic		 S1 David Neuman
(3.67) 		L 6-2
6-1		 3.33 3.91
08/20/2022 Adult 40+
4.0
Sectionals		 Cobra Kai 40+
Mid-Atlantic		 D2 KHOURY ZIAD
(3.98) 		Grant Slegowski
(3.85)
John Chenault V
(4.03) 		L 6-4
6-2		 3.79 4.00
08/19/2022 Adult 40+
4.0
Sectionals		 Cobra Kai 40+
Mid-Atlantic		 S1 Joseph Apodaca
(4.00) 		W 6-2
7-5		 4.17 4.06
07/27/2022 Adult 40+
4.0		 Cobra Kai 40+
Mid-Atlantic		 D3 Charlie Nee
(3.80) 		Edward Kwitowski
(3.41)
Carlos Raul Jimenez
(3.26) 		W 6-1
6-1		 4.00 4.06
07/14/2022 Adult 40+
4.0		 Cobra Kai 40+
Mid-Atlantic		 D3 KHOURY ZIAD
(3.91) 		Jeffery Bishoff
(3.60)
David Porter
(3.47) 		W 6-0
6-0		 4.13 4.11
07/13/2022 Adult 40+
4.5		 Crawl To The Top 40+
Mid-Atlantic		 D2 Henry Cha
(4.12) 		David Madsen
(3.92)
Bob Weickgenannt
(4.01) 		W 6-2
6-2		 4.24 4.13
07/05/2022 Adult 40+
4.0		 Cobra Kai 40+
Mid-Atlantic		 D3 DONALD CRAWLEY
(3.94) 		Edward Kwitowski
(3.41)
Wendell McKay
(3.57) 		W 6-0
6-0		 4.06 4.09
06/29/2022 Adult 40+
4.0		 Cobra Kai 40+
Mid-Atlantic		 D1 Jonathan Rivera
(3.71) 		Ilya Dondoshansky
(3.65)
Sridhar Atluri
(3.35) 		W 5-7
6-1
1-0		 3.82 4.06
06/27/2022 Adult 40+
4.5		 Crawl To The Top 40+
Mid-Atlantic		 D2 Gregory Chambers
(4.27) 		Jeff Manwiller
(4.04)
Curtis Cavey
(4.06) 		W 6-3
6-2		 4.22 4.13
05/19/2022 Adult 40+
4.0		 Cobra Kai 40+
Mid-Atlantic		 D2 KHOURY ZIAD
(3.92) 		Daniel Berland
(3.67)
Tom Somers
(3.73) 		W 2-6
6-0
1-0		 3.90 4.11
05/15/2022 Adult 40+
4.5		 Crawl To The Top 40+
Mid-Atlantic		 S1 David Rowlett
(4.30) 		L 6-4
6-3		 4.15 4.16
05/12/2022 Adult 40+
4.0		 Cobra Kai 40+
Mid-Atlantic		 D1 DONALD CRAWLEY
(3.89) 		Trevor Lessard
(3.84)
Patrick Delaney
(3.92) 		W 4-6
6-4
1-0		 4.06 4.11
04/30/2022 Adult 40+
4.0		 Crawley
Mid-Atlantic		 D1 David Trang
(4.00) 		John Casey
(3.72)
Erik Jones
(3.54) 		W 6-2
6-3		 3.95 4.05
04/23/2022 Adult 40+
4.0		 Crawley
Mid-Atlantic		 D1 David Trang
(3.87) 		Larry Wall
(3.47)
Jagannath Surampudi
(3.44) 		W 6-3
6-2		 3.80 3.95
04/09/2022 Adult 40+
4.0		 Crawley
Mid-Atlantic		 S1 Frederick Manly-Elliott
(3.73) 		W 6-1
6-0		 4.16 3.99
04/02/2022 Adult 40+
4.0		 Crawley
Mid-Atlantic		 D1 Steve McCoy
(3.50) 		John Zhang
(3.62)
thomas naylor
(3.57) 		W 6-2
6-3		 4.03 3.92
08/20/2022 S1 Adult 40+
4.0
Sectionals
Cobra Kai 40+
Mid-Atlantic		 L Rogers
Mid-Atlantic
6-2
6-1		 David Neuman (3.67)
Match: 3.33 Rating: 3.91
08/20/2022 D2 Adult 40+
4.0
Sectionals
Cobra Kai 40+
Mid-Atlantic		 L 1 MTC Stephens/Slegowski
Mid-Atlantic
KHOURY ZIAD (3.98) 6-4
6-2		 Grant Slegowski (3.85)
John Chenault V (4.03)
Match: 3.79 Rating: 4.00
08/19/2022 S1 Adult 40+
4.0
Sectionals
Cobra Kai 40+
Mid-Atlantic		 W Team 2 High Voltage
Mid-Atlantic
6-2
7-5		 Joseph Apodaca (4.00)
Match: 4.17 Rating: 4.06
07/27/2022 D3 Adult 40+
4.0
Cobra Kai 40+
Mid-Atlantic		 W AG 4.0 40+
Mid-Atlantic
Charlie Nee (3.80) 6-1
6-1		 Edward Kwitowski (3.41)
Carlos Raul Jimenez (3.26)
Match: 4.00 Rating: 4.06
07/14/2022 D3 Adult 40+
4.0
Cobra Kai 40+
Mid-Atlantic		 W Bishoff 40+
Mid-Atlantic
KHOURY ZIAD (3.91) 6-0
6-0		 Jeffery Bishoff (3.60)
David Porter (3.47)
Match: 4.13 Rating: 4.11
07/13/2022 D2 Adult 40+
4.5
Crawl To The Top 40+
Mid-Atlantic		 W Craig-O'Colman 40+
Mid-Atlantic
Henry Cha (4.12) 6-2
6-2		 David Madsen (3.92)
Bob Weickgenannt (4.01)
Match: 4.24 Rating: 4.13
07/05/2022 D3 Adult 40+
4.0
Cobra Kai 40+
Mid-Atlantic		 W AG 4.0 40+
Mid-Atlantic
DONALD CRAWLEY (3.94) 6-0
6-0		 Edward Kwitowski (3.41)
Wendell McKay (3.57)
Match: 4.06 Rating: 4.09
06/29/2022 D1 Adult 40+
4.0
Cobra Kai 40+
Mid-Atlantic		 W Over The Wall 4.0 40+
Mid-Atlantic
Jonathan Rivera (3.71) 5-7
6-1
1-0		 Ilya Dondoshansky (3.65)
Sridhar Atluri (3.35)
Match: 3.82 Rating: 4.06
06/27/2022 D2 Adult 40+
4.5
Crawl To The Top 40+
Mid-Atlantic		 W Craig-O'Colman 40+
Mid-Atlantic
Gregory Chambers (4.27) 6-3
6-2		 Jeff Manwiller (4.04)
Curtis Cavey (4.06)
Match: 4.22 Rating: 4.13
05/19/2022 D2 Adult 40+
4.0
Cobra Kai 40+
Mid-Atlantic		 W Bishoff 40+
Mid-Atlantic
KHOURY ZIAD (3.92) 2-6
6-0
1-0		 Daniel Berland (3.67)
Tom Somers (3.73)
Match: 3.90 Rating: 4.11
05/15/2022 S1 Adult 40+
4.5
Crawl To The Top 40+
Mid-Atlantic		 L Craig-O'Colman 40+
Mid-Atlantic
6-4
6-3		 David Rowlett (4.30)
Match: 4.15 Rating: 4.16
05/12/2022 D1 Adult 40+
4.0
Cobra Kai 40+
Mid-Atlantic		 W Lee Colony 40+
Mid-Atlantic
DONALD CRAWLEY (3.89) 4-6
6-4
1-0		 Trevor Lessard (3.84)
Patrick Delaney (3.92)
Match: 4.06 Rating: 4.11
04/30/2022 D1 Adult 40+
4.0
Crawley
Mid-Atlantic		 W Smoot 4.0
Mid-Atlantic
David Trang (4.00) 6-2
6-3		 John Casey (3.72)
Erik Jones (3.54)
Match: 3.95 Rating: 4.05
04/23/2022 D1 Adult 40+
4.0
Crawley
Mid-Atlantic		 W Smoot 4.0
Mid-Atlantic
David Trang (3.87) 6-3
6-2		 Larry Wall (3.47)
Jagannath Surampudi (3.44)
Match: 3.80 Rating: 3.95
04/09/2022 S1 Adult 40+
4.0
Crawley
Mid-Atlantic		 W Smoot 4.0
Mid-Atlantic
6-1
6-0		 Frederick Manly-Elliott (3.73)
Match: 4.16 Rating: 3.99
04/02/2022 D1 Adult 40+
4.0
Crawley
Mid-Atlantic		 W Smoot 4.0
Mid-Atlantic
Steve McCoy (3.50) 6-2
6-3		 John Zhang (3.62)
thomas naylor (3.57)
Match: 4.03 Rating: 3.92
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.
This site is not affiliated, endorsed, or associated by or with the USTA in any manner nor are the ratings affiliated with the NTRP rating system.
Copyright © 2016-2025 TennisRecord.com All rights reserved.

Privacy Policy  |  Sitemap