Statistical Analysis and Estimated Tennis Ratings to the 10,000th of a Point
Match History (2014) View Advanced Player Stats
Stephen Grinnell (Rochester, MN)
Male 		4.0 C
12/31/2016
Estimated Dynamic Rating ------
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Projected Year End Rating ------
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4.0 Rating Meter
N/A
3.5001 - 4.0000
Recent Match History Current Rating History
2014 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 6 4 2 0 66.7 13 8 5 61.5 103 59 44 57.3 0
Adult 40+ 4.0 10 5 5 0 50.0 23 9 14 39.1 193 90 103 46.6 0
Adult Other 4.0 7 2 5 0 28.6 18 8 10 44.4 139 70 69 50.4 0
Mixed 18+ 8.0 4 2 2 0 50.0 9 4 5 44.4 77 39 38 50.6 0
Total 27 13 14 0 48.1 63 29 34 46.0 512 258 254 50.4 0
Match Date League Team Court Partner Opponent(s) W/L Result Match Rating
11/09/2014 Adult 40+
4.0		 Grinnell/Tostenson (RTC)
Northern		 D1 Brian Davies Osamu Nakayama

Yasuhiro Ikeda 		W 6-7
6-4
1-0		 ----- -----
11/02/2014 Adult 40+
4.0		 Grinnell/Tostenson (RTC)
Northern		 D2 Tom Thacher Gordon Harms

Scott Lupton 		W 3-6
6-2
1-0		 ----- -----
10/28/2014 Adult Other
4.0		 Dropshots
Northern		 D1 Caesar Torres Arthur Smet

Dustin Kuchera 		L 3-6
7-6
1-0		 ----- -----
10/12/2014 Adult 40+
4.0		 Grinnell/Tostenson (RTC)
Northern		 D1 Chul-Ho Kim Terrick Giefer

Lee Witter 		L 7-5
3-6
1-0		 ----- -----
10/08/2014 Adult Other
4.0		 Dropshots
Northern		 D1 Caesar Torres Tuan Truong

Dat Truong 		L 6-3
6-1		 ----- -----
10/05/2014 Adult 40+
4.0		 Grinnell/Tostenson (RTC)
Northern		 D1 Brian Davies Terrick Giefer

Patrick Priniski 		W 6-3
7-6		 ----- -----
10/01/2014 Adult Other
4.0		 Dropshots
Northern		 D1 Brian Lahr Eric Tostenson

Brian Davies 		L 4-6
6-3
1-0		 ----- -----
08/07/2014 Adult 18+
4.0		 Grinnell/Tostenson (RTC)
Northern		 D1 bruce levy Terrick Giefer

William Stott 		L 6-4
6-4		 ----- -----
07/31/2014 Adult 18+
4.0		 Grinnell/Tostenson (RTC)
Northern		 D1 bruce levy Adam Pike

Lee Witter 		W 6-1
6-2		 ----- -----
07/24/2014 Adult 18+
4.0		 Grinnell/Tostenson (RTC)
Northern		 D2 Justin Howard William Stott

David Schaffner 		W 4-6
6-3
1-0		 ----- -----
07/17/2014 Adult 18+
4.0		 Grinnell/Tostenson (RTC)
Northern		 D1 Chul-Ho Kim Brett Joyce

Guillermo Lomanto 		W 6-3
6-3		 ----- -----
06/26/2014 Adult 18+
4.0		 Grinnell/Tostenson (RTC)
Northern		 D1 Chul-Ho Kim William Stott

David Schaffner 		W 6-1
6-1		 ----- -----
06/12/2014 Adult 18+
4.0		 Grinnell/Tostenson (RTC)
Northern		 D1 Brian Davies Terrick Giefer

Felix Diehn 		L 6-1
6-3		 ----- -----
04/29/2014 Adult Other
4.0		 Grumpy Old Guys
Northern		 D1 Chul-Ho Kim Santiago Reyes

Dustin Kuchera 		W 6-2
6-4		 ----- -----
04/15/2014 Adult Other
4.0		 Grumpy Old Guys
Northern		 D1 Chul-Ho Kim Steven Joswiak

Brian Davies 		L 3-6
7-5
1-0		 ----- -----
04/08/2014 Adult Other
4.0		 Grumpy Old Guys
Northern		 D1 Eric Tostenson Ezequiel Piccione

Dustin Kuchera 		L 6-4
4-6
1-0		 ----- -----
04/06/2014 Mixed 18+
8.0		 Jenson, Kelsey (RTC)
Northern		 D2 Kelsey Jenson Angie Wiegmann

Arthur Smet 		L 6-2
7-5		 ----- -----
03/25/2014 Adult Other
4.0		 Grumpy Old Guys
Northern		 D1 Chul-Ho Kim Dave Pewowaruk

Brian Lahr 		W 6-4
6-3		 ----- -----
03/09/2014 Mixed 18+
8.0		 Jenson, Kelsey (RTC)
Northern		 D2 Kelsey Jenson Jennifer Lawson

Lee Witter 		L 6-4
7-5		 ----- -----
03/04/2014 Adult 40+
4.0		 Grinnell/Tostenson (RTC)
Northern		 D1 Gary Hach Brian Allison

Brian Davies 		W 5-7
2-5		 ----- -----
03/02/2014 Mixed 18+
8.0		 Jenson, Kelsey (RTC)
Northern		 D1 Kelsey Jenson Ruth Church

Osamu Nakayama 		W 6-3
4-6
1-0		 ----- -----
02/25/2014 Adult 40+
4.0		 Grinnell/Tostenson (RTC)
Northern		 D1 Arthur Smet Brian Davies

Samuel Prabhakar 		L 6-2
6-4		 ----- -----
02/18/2014 Adult 40+
4.0		 Grinnell/Tostenson (RTC)
Northern		 D2 Eric Tostenson Samuel Prabhakar

William Stott 		W 6-1
6-2		 ----- -----
02/16/2014 Mixed 18+
8.0		 Jenson, Kelsey (RTC)
Northern		 D1 Kelsey Jenson Amy Cass

Michael Polito 		W 6-3
6-0		 ----- -----
02/11/2014 Adult 40+
4.0		 Grinnell/Tostenson (RTC)
Northern		 D1 Gary Hach Brett Joyce

Brian Davies 		L 6-3
6-2		 ----- -----
01/21/2014 Adult 40+
4.0		 Grinnell/Tostenson (RTC)
Northern		 D1 William Meadows Brian Davies

Lee Witter 		L 7-6
6-3		 ----- -----
01/14/2014 Adult 40+
4.0		 Grinnell/Tostenson (RTC)
Northern		 D1 Eric Tostenson Brian Davies

Osamu Nakayama 		L 6-3
6-1		 ----- -----
11/09/2014 D1 Adult 40+
4.0
Grinnell/Tostenson (RTC)
Northern		 W Witter, Lee (RAC)
Northern
Brian Davies () 6-7
6-4
1-0		 Osamu Nakayama
Yasuhiro Ikeda
Match: ----- Rating: -----
11/02/2014 D2 Adult 40+
4.0
Grinnell/Tostenson (RTC)
Northern		 W Witter, Lee (RAC)
Northern
Tom Thacher () 3-6
6-2
1-0		 Gordon Harms
Scott Lupton
Match: ----- Rating: -----
10/28/2014 D1 Adult Other
4.0
Dropshots
Northern		 L ADD
Northern
Caesar Torres () 3-6
7-6
1-0		 Arthur Smet
Dustin Kuchera
Match: ----- Rating: -----
10/12/2014 D1 Adult 40+
4.0
Grinnell/Tostenson (RTC)
Northern		 L Witter, Lee (RAC)
Northern
Chul-Ho Kim () 7-5
3-6
1-0		 Terrick Giefer
Lee Witter
Match: ----- Rating: -----
10/08/2014 D1 Adult Other
4.0
Dropshots
Northern		 L Truong
Northern
Caesar Torres () 6-3
6-1		 Tuan Truong
Dat Truong
Match: ----- Rating: -----
10/05/2014 D1 Adult 40+
4.0
Grinnell/Tostenson (RTC)
Northern		 W Witter, Lee (RAC)
Northern
Brian Davies () 6-3
7-6		 Terrick Giefer
Patrick Priniski
Match: ----- Rating: -----
10/01/2014 D1 Adult Other
4.0
Dropshots
Northern		 L Davies et al.
Northern
Brian Lahr () 4-6
6-3
1-0		 Eric Tostenson
Brian Davies
Match: ----- Rating: -----
08/07/2014 D1 Adult 18+
4.0
Grinnell/Tostenson (RTC)
Northern		 L Witter/Schaffner (RAC)
Northern
bruce levy () 6-4
6-4		 Terrick Giefer
William Stott
Match: ----- Rating: -----
07/31/2014 D1 Adult 18+
4.0
Grinnell/Tostenson (RTC)
Northern		 W Witter/Schaffner (RAC)
Northern
bruce levy () 6-1
6-2		 Adam Pike
Lee Witter
Match: ----- Rating: -----
07/24/2014 D2 Adult 18+
4.0
Grinnell/Tostenson (RTC)
Northern		 W Witter/Schaffner (RAC)
Northern
Justin Howard () 4-6
6-3
1-0		 William Stott
David Schaffner
Match: ----- Rating: -----
07/17/2014 D1 Adult 18+
4.0
Grinnell/Tostenson (RTC)
Northern		 W Witter/Schaffner (RAC)
Northern
Chul-Ho Kim () 6-3
6-3		 Brett Joyce
Guillermo Lomanto
Match: ----- Rating: -----
06/26/2014 D1 Adult 18+
4.0
Grinnell/Tostenson (RTC)
Northern		 W Witter/Schaffner (RAC)
Northern
Chul-Ho Kim () 6-1
6-1		 William Stott
David Schaffner
Match: ----- Rating: -----
06/12/2014 D1 Adult 18+
4.0
Grinnell/Tostenson (RTC)
Northern		 L Witter/Schaffner (RAC)
Northern
Brian Davies () 6-1
6-3		 Terrick Giefer
Felix Diehn
Match: ----- Rating: -----
04/29/2014 D1 Adult Other
4.0
Grumpy Old Guys
Northern		 W SodaStereo
Northern
Chul-Ho Kim () 6-2
6-4		 Santiago Reyes
Dustin Kuchera
Match: ----- Rating: -----
04/15/2014 D1 Adult Other
4.0
Grumpy Old Guys
Northern		 L Team Bubba Keg
Northern
Chul-Ho Kim () 3-6
7-5
1-0		 Steven Joswiak
Brian Davies
Match: ----- Rating: -----
04/08/2014 D1 Adult Other
4.0
Grumpy Old Guys
Northern		 L SodaStereo
Northern
Eric Tostenson () 6-4
4-6
1-0		 Ezequiel Piccione
Dustin Kuchera
Match: ----- Rating: -----
04/06/2014 D2 Mixed 18+
8.0
Jenson, Kelsey (RTC)
Northern		 L Kivimagi, Carol (RTC)
Northern
Kelsey Jenson 6-2
7-5		 Angie Wiegmann
Arthur Smet
Match: ----- Rating: -----
03/25/2014 D1 Adult Other
4.0
Grumpy Old Guys
Northern		 W Jones
Northern
Chul-Ho Kim () 6-4
6-3		 Dave Pewowaruk
Brian Lahr
Match: ----- Rating: -----
03/09/2014 D2 Mixed 18+
8.0
Jenson, Kelsey (RTC)
Northern		 L Oscar & the Grouches (RAC)
Northern
Kelsey Jenson 6-4
7-5		 Jennifer Lawson
Lee Witter
Match: ----- Rating: -----
03/04/2014 D1 Adult 40+
4.0
Grinnell/Tostenson (RTC)
Northern		 W Witter, Lee (RAC)
Northern
Gary Hach () 5-7
2-5		 Brian Allison
Brian Davies
Match: ----- Rating: -----
03/02/2014 D1 Mixed 18+
8.0
Jenson, Kelsey (RTC)
Northern		 W Mullenmeister, Mike (RAC)
Northern
Kelsey Jenson 6-3
4-6
1-0		 Ruth Church
Osamu Nakayama
Match: ----- Rating: -----
02/25/2014 D1 Adult 40+
4.0
Grinnell/Tostenson (RTC)
Northern		 L Witter, Lee (RAC)
Northern
Arthur Smet () 6-2
6-4		 Brian Davies
Samuel Prabhakar
Match: ----- Rating: -----
02/18/2014 D2 Adult 40+
4.0
Grinnell/Tostenson (RTC)
Northern		 W Witter, Lee (RAC)
Northern
Eric Tostenson () 6-1
6-2		 Samuel Prabhakar
William Stott
Match: ----- Rating: -----
02/16/2014 D1 Mixed 18+
8.0
Jenson, Kelsey (RTC)
Northern		 W "Schaffgarten" (RAC)
Northern
Kelsey Jenson 6-3
6-0		 Amy Cass
Michael Polito
Match: ----- Rating: -----
02/11/2014 D1 Adult 40+
4.0
Grinnell/Tostenson (RTC)
Northern		 L Witter, Lee (RAC)
Northern
Gary Hach () 6-3
6-2		 Brett Joyce
Brian Davies
Match: ----- Rating: -----
01/21/2014 D1 Adult 40+
4.0
Grinnell/Tostenson (RTC)
Northern		 L Witter, Lee (RAC)
Northern
William Meadows () 7-6
6-3		 Brian Davies
Lee Witter
Match: ----- Rating: -----
01/14/2014 D1 Adult 40+
4.0
Grinnell/Tostenson (RTC)
Northern		 L Witter, Lee (RAC)
Northern
Eric Tostenson () 6-3
6-1		 Brian Davies
Osamu Nakayama
Match: ----- 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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