Statistical Analysis and Estimated Tennis Ratings to the 10,000th of a Point
Match History (2025) View Advanced Player Stats
John Koziol (Denver, CO)
Male 		3.0 C
12/31/2024
Estimated Dynamic Rating 2.6913
10/22/2025
Projected Year End Rating ------
----------
3.0 Rating Meter
Rating Meter
2.5001 - 3.0000
Recent Match History Current Rating History
2025 Overall Season
League/Level Total
Matches		 Win Loss Tie WPct Total
Sets		 Win Loss WPct Total
Games		 Win Loss WPct Defaults
Adult 40+ 3.0 6 4 2 0 66.7 14 9 5 64.3 104 59 45 56.7 1
Adult Other 3.0 4 2 2 0 50.0 9 5 4 55.6 71 41 30 57.7 0
Mixed 18+ 6.0 5 2 3 0 40.0 13 5 8 38.5 85 33 52 38.8 0
Mixed 40+ 6.0 4 3 1 0 75.0 8 6 2 75.0 66 41 25 62.1 0
Mixed Other 5.5 4 2 2 0 50.0 8 4 4 50.0 68 38 30 55.9 0
Mixed Other 6.5 3 0 3 0 0.0 9 3 6 33.3 64 30 34 46.9 0
Total 26 13 13 0 50.0 61 32 29 52.5 458 242 216 52.8 1
Match Date League Team Court Partner Opponent(s) W/L Result Match Rating
09/20/2025 Mixed Other
5.5
Districts		 MC TEAL
Intermountain		 D3 Ashley Sakker
(2.29) 		Joshua Connor
(2.74)
Kellyn Goeken
(2.52) 		L 6-3
6-0		 2.55 2.76
09/06/2025 Adult Other
3.0		 NJ GREEN
Intermountain		 D2 Rick Bonczynski
(2.84) 		Mark Millican
(2.85)
James Ducay
(2.87) 		L 7-5
6-3		 2.66 2.69
09/01/2025 Adult Other
3.0		 NJ GREEN
Intermountain		 D2 Tom Seeton
(2.76) 		Greg Fossen
(2.61)
Jay Bat-Itgel
(2.79) 		L 2-6
6-3
1-0		 2.68 2.69
08/10/2025 Mixed Other
6.5		 NJ BLACK
Intermountain		 D3 Sara Leaver
(3.11) 		David Atkinson
(2.95)
Ellen Carlson
(3.22) 		L 4-6
6-1
1-0		 2.82 2.81
08/10/2025 Mixed Other
5.5		 MC TEAL
Intermountain		 D3 Ashley Sakker
(2.25) 		Daniel Curtin
(2.19)
Adrienne Beall
(2.40) 		W 6-1
6-0		 2.99 2.83
08/07/2025 Mixed Other
6.5		 NJ BLACK
Intermountain		 D2 Sarah Weill
(2.98) 		Gemma Koehler
(3.05)
Michael Catalano
(2.57) 		L 6-4
3-6
1-0		 2.73 2.77
08/04/2025 Adult Other
3.0		 NJ GREEN
Intermountain		 D2 Rick Bonczynski
(2.81) 		Marc Hafner
(2.48)
Bruce Bennett
(2.46) 		W 6-2
6-1		 2.75 2.71
08/03/2025 Mixed Other
5.5		 MC TEAL
Intermountain		 D2 Amy Hank
(2.26) 		Susan Kiker
(2.08)
Mark Kiker
(3.63) 		L 7-5
7-6		 3.04 2.81
08/02/2025 Adult 40+
3.0
Flight		 NJ GREY
Intermountain		 D1 Dennis Romer
(2.67) 		Matthew Godley
(2.83)
David McLain
(2.78) 		L 6-7
6-0
1-0		 2.65 2.69
07/28/2025 Adult Other
3.0		 NJ GREEN
Intermountain		 D2 Dennis Romer
(2.64) 		Derek Price
(2.41)
Rodney Gill
(2.49) 		W 6-2
6-3		 2.73 2.69
07/27/2025 Mixed Other
5.5		 MC TEAL
Intermountain		 D2 Ashley Sakker
(2.21) 		Charles Kelly
(2.43)
Amanda Edgar
(2.17) 		W 6-1
6-2		 2.90 2.77
07/20/2025 Mixed Other
6.5		 NJ BLACK
Intermountain		 D3 Sarah Weill
(2.93) 		Pete McConnell
(3.44)
Leslie Hull
(2.56) 		L 7-6
5-7
1-0		 S 2.74
07/14/2025 Adult 40+
3.0		 NJ GREY
Intermountain		 D2 Dennis Romer
(2.70) 		Isaac Hatch
(2.60)
Jonathan Oltman
(2.81) 		W 6-3
6-2		 2.94 2.72
07/06/2025 Mixed 40+
6.0		 MC RED
Intermountain		 D3 KIMBERLY HITCHCOCK
(2.78) 		Maggie Gomer
(2.18)
Scott Gomer
(2.94) 		W 6-3
6-3		 2.73 2.74
06/30/2025 Adult 40+
3.0		 NJ GREY
Intermountain		 D3 Tom Seeton
(2.82) 		Brad Knepper
(2.42)
Mike Miller
(2.50) 		W 6-0
6-0		 2.84 2.68
06/23/2025 Adult 40+
3.0		 NJ GREY
Intermountain		 D1 Gregory Richardson
(3.03) 		Jeffrey Moxon
(2.62)
Kevin Fuchs
(3.05) 		L 6-1
6-2		 2.32 2.62
06/22/2025 Mixed 40+
6.0		 MC RED
Intermountain		 D2 KIMBERLY HITCHCOCK
(2.76) 		Jennifer Kos
(2.44)
Ian Fitzpatrick
(2.67) 		W 7-6
6-0		 2.75 2.73
06/16/2025 Adult 40+
3.0		 NJ GREY
Intermountain		 D1 Robert Coates
(2.59) 		Ryan Scully
(2.69)
Richard Frisz
(2.69) 		W 6-3
6-7
1-0		 S 2.68
06/11/2025 Mixed 40+
6.0		 MC RED
Intermountain		 D1 Erica Younkin
(2.51) 		Daniel Port
(2.57)
Katy Plath
(3.33) 		L 6-1
6-3		 2.79 2.72
06/09/2025 Adult 40+
3.0		 NJ GREY
Intermountain		 D3 Robert Coates
(-----) 		Default W 6-0
6-0		 ----- -----
06/02/2025 Adult 40+
3.0		 NJ GREY
Intermountain		 D3 Robert Coates
(2.58) 		Randall Look
(2.62)
James Barwick
(2.52) 		W 6-2
6-3		 2.84 2.68
06/01/2025 Mixed 40+
6.0		 MC RED
Intermountain		 D2 Kirsten Sharer
(2.57) 		Maggie Gomer
(2.21)
Scott Gomer
(2.98) 		W 6-1
6-0		 3.08 2.78
05/11/2025 Mixed 18+
6.0		 MC GOLD
Intermountain		 D2 Paige Doherty
(2.27) 		Ernest Reece
(2.86)
Mollie Toth
(2.80) 		L 6-1
6-1		 2.64 2.67
05/04/2025 Mixed 18+
6.0		 MC GOLD
Intermountain		 D1 Jennifer Clegg
(2.70) 		David Atkinson
(2.77)
Michelle Dolin
(2.76) 		L 6-1
6-2		 2.43 2.65
04/27/2025 Mixed 18+
6.0		 MC GOLD
Intermountain		 D3 Paige Doherty
(2.22) 		Jane Reimer
(2.58)
Brock Reimer
(2.54) 		L 3-6
6-3
1-0		 2.76 2.70
04/20/2025 Mixed 18+
6.0		 MC GOLD
Intermountain		 D1 Kirsten Sharer
(2.50) 		Melanie Abel
(2.50)
Paul Rose
(3.00) 		W 6-3
4-6
1-0		 2.87 2.68
04/13/2025 Mixed 18+
6.0		 MC GOLD
Intermountain		 D2 Leslie Hauschildt
(2.88) 		Kelly Brewster
(2.63)
Aaron Brewster
(-----) 		W 6-3
1-6
1-0		 S 2.62
09/20/2025 D3 Mixed Other
5.5
Districts
MC TEAL
Intermountain		 L TTA GREEN
Intermountain
Ashley Sakker (2.29) 6-3
6-0		 Joshua Connor (2.74)
Kellyn Goeken (2.52)
Match: 2.55 Rating: 2.76
09/06/2025 D2 Adult Other
3.0
NJ GREEN
Intermountain		 L LTA-Q BLUE
Intermountain
Rick Bonczynski (2.84) 7-5
6-3		 Mark Millican (2.85)
James Ducay (2.87)
Match: 2.66 Rating: 2.69
09/01/2025 D2 Adult Other
3.0
NJ GREEN
Intermountain		 L TTA BLUE
Intermountain
Tom Seeton (2.76) 2-6
6-3
1-0		 Greg Fossen (2.61)
Jay Bat-Itgel (2.79)
Match: 2.68 Rating: 2.69
08/10/2025 D3 Mixed Other
6.5
NJ BLACK
Intermountain		 L LTC-D GOLD
Intermountain
Sara Leaver (3.11) 4-6
6-1
1-0		 David Atkinson (2.95)
Ellen Carlson (3.22)
Match: 2.82 Rating: 2.81
08/10/2025 D3 Mixed Other
5.5
MC TEAL
Intermountain		 W NJ YELLOW
Intermountain
Ashley Sakker (2.25) 6-1
6-0		 Daniel Curtin (2.19)
Adrienne Beall (2.40)
Match: 2.99 Rating: 2.83
08/07/2025 D2 Mixed Other
6.5
NJ BLACK
Intermountain		 L MC GREEN
Intermountain
Sarah Weill (2.98) 6-4
3-6
1-0		 Gemma Koehler (3.05)
Michael Catalano (2.57)
Match: 2.73 Rating: 2.77
08/04/2025 D2 Adult Other
3.0
NJ GREEN
Intermountain		 W CVTA RED
Intermountain
Rick Bonczynski (2.81) 6-2
6-1		 Marc Hafner (2.48)
Bruce Bennett (2.46)
Match: 2.75 Rating: 2.71
08/03/2025 D2 Mixed Other
5.5
MC TEAL
Intermountain		 L NJ GOLD
Intermountain
Amy Hank (2.26) 7-5
7-6		 Susan Kiker (2.08)
Mark Kiker (3.63)
Match: 3.04 Rating: 2.81
08/02/2025 D1 Adult 40+
3.0
Flight
NJ GREY
Intermountain		 L EM GREEN
Intermountain
Dennis Romer (2.67) 6-7
6-0
1-0		 Matthew Godley (2.83)
David McLain (2.78)
Match: 2.65 Rating: 2.69
07/28/2025 D2 Adult Other
3.0
NJ GREEN
Intermountain		 W TTA BLUE
Intermountain
Dennis Romer (2.64) 6-2
6-3		 Derek Price (2.41)
Rodney Gill (2.49)
Match: 2.73 Rating: 2.69
07/27/2025 D2 Mixed Other
5.5
MC TEAL
Intermountain		 W BCST SILVER
Intermountain
Ashley Sakker (2.21) 6-1
6-2		 Charles Kelly (2.43)
Amanda Edgar (2.17)
Match: 2.90 Rating: 2.77
07/20/2025 D3 Mixed Other
6.5
NJ BLACK
Intermountain		 L KC-CC BLUE
Intermountain
Sarah Weill (2.93) 7-6
5-7
1-0		 Pete McConnell (3.44)
Leslie Hull (2.56)
Match: S Rating: 2.74
07/14/2025 D2 Adult 40+
3.0
NJ GREY
Intermountain		 W GR ORANGE
Intermountain
Dennis Romer (2.70) 6-3
6-2		 Isaac Hatch (2.60)
Jonathan Oltman (2.81)
Match: 2.94 Rating: 2.72
07/06/2025 D3 Mixed 40+
6.0
MC RED
Intermountain		 W NJ PURPLE
Intermountain
KIMBERLY HITCHCOCK (2.78) 6-3
6-3		 Maggie Gomer (2.18)
Scott Gomer (2.94)
Match: 2.73 Rating: 2.74
06/30/2025 D3 Adult 40+
3.0
NJ GREY
Intermountain		 W CCC GREEN
Intermountain
Tom Seeton (2.82) 6-0
6-0		 Brad Knepper (2.42)
Mike Miller (2.50)
Match: 2.84 Rating: 2.68
06/23/2025 D1 Adult 40+
3.0
NJ GREY
Intermountain		 L BM BLUE
Intermountain
Gregory Richardson (3.03) 6-1
6-2		 Jeffrey Moxon (2.62)
Kevin Fuchs (3.05)
Match: 2.32 Rating: 2.62
06/22/2025 D2 Mixed 40+
6.0
MC RED
Intermountain		 W RHCC RED
Intermountain
KIMBERLY HITCHCOCK (2.76) 7-6
6-0		 Jennifer Kos (2.44)
Ian Fitzpatrick (2.67)
Match: 2.75 Rating: 2.73
06/16/2025 D1 Adult 40+
3.0
NJ GREY
Intermountain		 W KC-RH RED
Intermountain
Robert Coates (2.59) 6-3
6-7
1-0		 Ryan Scully (2.69)
Richard Frisz (2.69)
Match: S Rating: 2.68
06/11/2025 D1 Mixed 40+
6.0
MC RED
Intermountain		 L LTC-D ORANGE
Intermountain
Erica Younkin (2.51) 6-1
6-3		 Daniel Port (2.57)
Katy Plath (3.33)
Match: 2.79 Rating: 2.72
06/09/2025 D3 Adult 40+
3.0
NJ GREY
Intermountain		 W KC-RH NAVY
Intermountain
Robert Coates (-----) 6-0
6-0		 Default
Match: ----- Rating: -----
06/02/2025 D3 Adult 40+
3.0
NJ GREY
Intermountain		 W BCST BLUE
Intermountain
Robert Coates (2.58) 6-2
6-3		 Randall Look (2.62)
James Barwick (2.52)
Match: 2.84 Rating: 2.68
06/01/2025 D2 Mixed 40+
6.0
MC RED
Intermountain		 W NJ PURPLE
Intermountain
Kirsten Sharer (2.57) 6-1
6-0		 Maggie Gomer (2.21)
Scott Gomer (2.98)
Match: 3.08 Rating: 2.78
05/11/2025 D2 Mixed 18+
6.0
MC GOLD
Intermountain		 L NJ ORANGE
Intermountain
Paige Doherty (2.27) 6-1
6-1		 Ernest Reece (2.86)
Mollie Toth (2.80)
Match: 2.64 Rating: 2.67
05/04/2025 D1 Mixed 18+
6.0
MC GOLD
Intermountain		 L LTC-D RED
Intermountain
Jennifer Clegg (2.70) 6-1
6-2		 David Atkinson (2.77)
Michelle Dolin (2.76)
Match: 2.43 Rating: 2.65
04/27/2025 D3 Mixed 18+
6.0
MC GOLD
Intermountain		 L MVCC ORANGE
Intermountain
Paige Doherty (2.22) 3-6
6-3
1-0		 Jane Reimer (2.58)
Brock Reimer (2.54)
Match: 2.76 Rating: 2.70
04/20/2025 D1 Mixed 18+
6.0
MC GOLD
Intermountain		 W NJ BLUE
Intermountain
Kirsten Sharer (2.50) 6-3
4-6
1-0		 Melanie Abel (2.50)
Paul Rose (3.00)
Match: 2.87 Rating: 2.68
04/13/2025 D2 Mixed 18+
6.0
MC GOLD
Intermountain		 W RHCC RED
Intermountain
Leslie Hauschildt (2.88) 6-3
1-6
1-0		 Kelly Brewster (2.63)
Aaron Brewster (-----)
Match: S Rating: 2.62
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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