Statistical Analysis and Estimated Tennis Ratings to the 10,000th of a Point
Match History (2014) View Advanced Player Stats
Jon Jannotta (Henderson, NV)
Male 		4.0 C
12/31/2021
Estimated Dynamic Rating 3.6721
8/25/2024
Projected Year End Rating ------
----------
4.0 Rating Meter
Rating Meter
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 9 4 69.2 109 66 43 60.6 0
Adult 40+ 4.0 8 5 3 0 62.5 19 12 7 63.2 162 89 73 54.9 0
Adult 55+ 8.0 5 2 3 0 40.0 12 5 7 41.7 95 45 50 47.4 0
Adult Other 4.0 4 1 3 0 25.0 8 2 6 25.0 85 38 47 44.7 0
Combo 4.0 4 4 0 0 100.0 8 8 0 100.0 71 49 22 69.0 0
Total 27 16 11 0 59.3 60 36 24 60.0 522 287 235 55.0 0
Match Date League Team Court Partner Opponent(s) W/L Result Match Rating
11/08/2014 Adult Other
4.0		 ANTHEM CC
Intermountain		 D2 Michael Grabowski Gregory James Moore

Mike Dunworth Jr 		L 6-2
7-6		 ----- -----
10/25/2014 Adult Other
4.0		 ANTHEM CC
Intermountain		 D1 Michael Grabowski Janusz Karbowniczek

Dale Thornburgh 		W 7-6
6-2		 ----- -----
10/11/2014 Adult Other
4.0		 ANTHEM CC
Intermountain		 D3 E Potamitis jawaid motiwala

Donnis Willis 		L 6-3
7-6		 ----- -----
09/27/2014 Adult Other
4.0		 ANTHEM CC
Intermountain		 D3 Bill Terry Kyle Clingo

Harold Craft 		L 7-6
6-2		 ----- -----
08/26/2014 Combo
4.0		 ANTHEM CC
Intermountain		 D3 Michael Grabowski Frank Guzman

Bard Coats 		W 6-4
6-3		 ----- -----
08/12/2014 Combo
4.0		 ANTHEM CC
Intermountain		 D3 Michael Grabowski Taylor Verhaalen

BC LeDoux 		W 6-2
6-3		 ----- -----
07/29/2014 Combo
4.0		 ANTHEM CC
Intermountain		 D3 Michael Grabowski Shaun Yokoyama

Anthony Green 		W 6-1
6-1		 ----- -----
07/22/2014 Combo
4.0		 ANTHEM CC
Intermountain		 D1 Michael Grabowski Kevin Helm

Adam Sklamberg 		W 6-3
7-5		 ----- -----
05/17/2014 Adult 18+
4.0		 Anthem CC
Intermountain		 D2 Michael Grabowski Larry Holmes

David Schlatter 		W 6-1
6-2		 ----- -----
05/11/2014 Adult 55+
8.0		 Whitney Mesa
Intermountain		 D2 Jim Roulias George Pietro

Dan Havriliak 		L 6-3
3-6
1-0		 ----- -----
05/10/2014 Adult 18+
4.0		 Anthem CC
Intermountain		 D2 Michael Grabowski Stephen Spelman

Robert Rae 		W 6-4
6-1		 ----- -----
05/03/2014 Adult 18+
4.0		 Anthem CC
Intermountain		 D3 Michael Grabowski Michael Fairweather

Eric Wang 		W 7-5
6-2		 ----- -----
04/28/2014 Tournament
NM4.0d		 Physicians'and Barristers' Ball Charity Tennis Classic-Adults & Jrs (Level 7) S Bob Randolph Barry Bosacker

Ehsan Kaveh 		L 6-1
6-2		 ----- -----
04/12/2014 Adult 18+
4.0		 Anthem CC
Intermountain		 D2 Michael Grabowski Jim Roulias

Matthew Mills 		W 6-2
6-2		 ----- -----
04/06/2014 Adult 55+
8.0		 Whitney Mesa
Intermountain		 D2 Jim Roulias Rick Holden

Donald Seibel 		L 6-2
7-5		 ----- -----
04/05/2014 Adult 18+
4.0		 Anthem CC
Intermountain		 D2 Mark Bernardo Ehsan Kaveh

Barry Bosacker 		L 6-2
6-4		 ----- -----
03/30/2014 Adult 55+
8.0		 Whitney Mesa
Intermountain		 D3 Jim Roulias Tom Tanksley

Steven Henderson 		W 6-3
6-4		 ----- -----
03/29/2014 Adult 18+
4.0		 Anthem CC
Intermountain		 D3 Michael Grabowski Stephen Francis

Thomas Zimmerman 		L 6-4
5-7
1-0		 ----- -----
03/16/2014 Adult 55+
8.0		 Whitney Mesa
Intermountain		 D2 Jim Roulias Thomas Ogawa

Henry Pasley 		W 3-6
6-2
1-0		 ----- -----
03/15/2014 Adult 40+
4.0		 Anthem CC
Intermountain		 D2 Michael Grabowski Robert Leonard

James Stone 		L 2-6
7-5
1-0		 ----- -----
03/08/2014 Adult 40+
4.0		 Anthem CC
Intermountain		 D2 Michael Grabowski Mike Dunworth

Larry Holmes 		W 6-2
6-3		 ----- -----
03/02/2014 Adult 55+
8.0		 Whitney Mesa
Intermountain		 D1 Michael Grabowski Mark Smith

Donald Seibel 		L 6-4
6-3		 ----- -----
03/01/2014 Adult 40+
4.0		 Anthem CC
Intermountain		 D2 Michael Grabowski Michael ALI

Richard Marett 		W 6-1
6-2		 ----- -----
02/23/2014 Adult 40+
4.0		 Anthem CC
Intermountain		 D2 Mark Bernardo Stephen Spelman

Tony Tijerina 		W 6-4
5-7
1-0		 ----- -----
02/22/2014 Adult 40+
4.0		 Anthem CC
Intermountain		 D2 Mickey Hart Julian Serrano

Lawrence Anspach 		W 7-5
6-4		 ----- -----
02/08/2014 Adult 40+
4.0		 Anthem CC
Intermountain		 D3 Michael Grabowski Roger Laubscher

William Jacks 		L 6-1
6-7
1-0		 ----- -----
02/01/2014 Adult 40+
4.0		 Anthem CC
Intermountain		 D3 Michael Grabowski Lenny Badger

David Altfas 		L 6-2
7-6		 ----- -----
01/25/2014 Adult 40+
4.0		 Anthem CC
Intermountain		 D3 Michael Grabowski Tom Wickens

Steven Kitnick 		W 6-4
7-5		 ----- -----
11/08/2014 D2 Adult Other
4.0
ANTHEM CC
Intermountain		 L DRAGONRIDGE CC #1
Intermountain
Michael Grabowski () 6-2
7-6		 Gregory James Moore
Mike Dunworth Jr
Match: ----- Rating: -----
10/25/2014 D1 Adult Other
4.0
ANTHEM CC
Intermountain		 W RED ROCK #2
Intermountain
Michael Grabowski () 7-6
6-2		 Janusz Karbowniczek
Dale Thornburgh
Match: ----- Rating: -----
10/11/2014 D3 Adult Other
4.0
ANTHEM CC
Intermountain		 L DESERT PALM
Intermountain
E Potamitis () 6-3
7-6		 jawaid motiwala
Donnis Willis
Match: ----- Rating: -----
09/27/2014 D3 Adult Other
4.0
ANTHEM CC
Intermountain		 L CLUB RIDGES
Intermountain
Bill Terry () 7-6
6-2		 Kyle Clingo
Harold Craft
Match: ----- Rating: -----
08/26/2014 D3 Combo
4.0
ANTHEM CC
Intermountain		 W CANYON GATE
Intermountain
Michael Grabowski 6-4
6-3		 Frank Guzman
Bard Coats
Match: ----- Rating: -----
08/12/2014 D3 Combo
4.0
ANTHEM CC
Intermountain		 W TPC
Intermountain
Michael Grabowski 6-2
6-3		 Taylor Verhaalen
BC LeDoux
Match: ----- Rating: -----
07/29/2014 D3 Combo
4.0
ANTHEM CC
Intermountain		 W WHITNEY MESA
Intermountain
Michael Grabowski 6-1
6-1		 Shaun Yokoyama
Anthony Green
Match: ----- Rating: -----
07/22/2014 D1 Combo
4.0
ANTHEM CC
Intermountain		 W RED ROCK
Intermountain
Michael Grabowski 6-3
7-5		 Kevin Helm
Adam Sklamberg
Match: ----- Rating: -----
05/17/2014 D2 Adult 18+
4.0
Anthem CC
Intermountain		 W UNLV
Intermountain
Michael Grabowski () 6-1
6-2		 Larry Holmes
David Schlatter
Match: ----- Rating: -----
05/11/2014 D2 Adult 55+
8.0
Whitney Mesa
Intermountain		 L Red Rock
Intermountain
Jim Roulias () 6-3
3-6
1-0		 George Pietro
Dan Havriliak
Match: ----- Rating: -----
05/10/2014 D2 Adult 18+
4.0
Anthem CC
Intermountain		 W Red Rock #1
Intermountain
Michael Grabowski () 6-4
6-1		 Stephen Spelman
Robert Rae
Match: ----- Rating: -----
05/03/2014 D3 Adult 18+
4.0
Anthem CC
Intermountain		 W DragonRidge CC
Intermountain
Michael Grabowski () 7-5
6-2		 Michael Fairweather
Eric Wang
Match: ----- Rating: -----
Physicians'and Barristers' Ball Charity Tennis Classic-Adults & Jrs (Level 7)
04/28/2014 S Tournament
NM4.0d
L
Bob Randolph 6-1
6-2		 Barry Bosacker
Ehsan Kaveh
Match: ----- Rating: -----
04/12/2014 D2 Adult 18+
4.0
Anthem CC
Intermountain		 W Whitney Mesa #1
Intermountain
Michael Grabowski () 6-2
6-2		 Jim Roulias
Matthew Mills
Match: ----- Rating: -----
04/06/2014 D2 Adult 55+
8.0
Whitney Mesa
Intermountain		 L TPC
Intermountain
Jim Roulias () 6-2
7-5		 Rick Holden
Donald Seibel
Match: ----- Rating: -----
04/05/2014 D2 Adult 18+
4.0
Anthem CC
Intermountain		 L Spanish Trail
Intermountain
Mark Bernardo () 6-2
6-4		 Ehsan Kaveh
Barry Bosacker
Match: ----- Rating: -----
03/30/2014 D3 Adult 55+
8.0
Whitney Mesa
Intermountain		 W Desert Palm
Intermountain
Jim Roulias () 6-3
6-4		 Tom Tanksley
Steven Henderson
Match: ----- Rating: -----
03/29/2014 D3 Adult 18+
4.0
Anthem CC
Intermountain		 L DTC
Intermountain
Michael Grabowski () 6-4
5-7
1-0		 Stephen Francis
Thomas Zimmerman
Match: ----- Rating: -----
03/16/2014 D2 Adult 55+
8.0
Whitney Mesa
Intermountain		 W Desert Palm
Intermountain
Jim Roulias () 3-6
6-2
1-0		 Thomas Ogawa
Henry Pasley
Match: ----- Rating: -----
03/15/2014 D2 Adult 40+
4.0
Anthem CC
Intermountain		 L Red Rock #1
Intermountain
Michael Grabowski () 2-6
7-5
1-0		 Robert Leonard
James Stone
Match: ----- Rating: -----
03/08/2014 D2 Adult 40+
4.0
Anthem CC
Intermountain		 W DragonRidge CC
Intermountain
Michael Grabowski () 6-2
6-3		 Mike Dunworth
Larry Holmes
Match: ----- Rating: -----
03/02/2014 D1 Adult 55+
8.0
Whitney Mesa
Intermountain		 L TPC
Intermountain
Michael Grabowski () 6-4
6-3		 Mark Smith
Donald Seibel
Match: ----- Rating: -----
03/01/2014 D2 Adult 40+
4.0
Anthem CC
Intermountain		 W CSGV
Intermountain
Michael Grabowski () 6-1
6-2		 Michael ALI
Richard Marett
Match: ----- Rating: -----
02/23/2014 D2 Adult 40+
4.0
Anthem CC
Intermountain		 W TPC
Intermountain
Mark Bernardo () 6-4
5-7
1-0		 Stephen Spelman
Tony Tijerina
Match: ----- Rating: -----
02/22/2014 D2 Adult 40+
4.0
Anthem CC
Intermountain		 W Canyon Gate
Intermountain
Mickey Hart () 7-5
6-4		 Julian Serrano
Lawrence Anspach
Match: ----- Rating: -----
02/08/2014 D3 Adult 40+
4.0
Anthem CC
Intermountain		 L Red Rock #2
Intermountain
Michael Grabowski () 6-1
6-7
1-0		 Roger Laubscher
William Jacks
Match: ----- Rating: -----
02/01/2014 D3 Adult 40+
4.0
Anthem CC
Intermountain		 L DTC
Intermountain
Michael Grabowski () 6-2
7-6		 Lenny Badger
David Altfas
Match: ----- Rating: -----
01/25/2014 D3 Adult 40+
4.0
Anthem CC
Intermountain		 W Desert Palm
Intermountain
Michael Grabowski () 6-4
7-5		 Tom Wickens
Steven Kitnick
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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