Statistical Analysis and Estimated Tennis Ratings to the 10,000th of a Point
Match History (2020) View Advanced Player Stats
Douglas Shaffer (Rossford, OH)
Male 		4.0 C
12/31/2024
Estimated Dynamic Rating 3.7112
2/12/2025
Projected Year End Rating ------
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4.0 Rating Meter
Rating Meter
3.5001 - 4.0000
Recent Match History Current Rating History
2020 Overall Season
League/Level Total
Matches		 Win Loss Tie WPct Total
Sets		 Win Loss WPct Total
Games		 Win Loss WPct Defaults
Adult 18+ 4.0 4 4 0 0 100.0 9 8 1 88.9 69 44 25 63.8 0
Adult 18+ 4.5 3 1 2 0 33.3 7 2 5 28.6 58 22 36 37.9 0
Adult 40+ 4.0 4 2 2 0 50.0 9 5 4 55.6 72 40 32 55.6 0
Adult 55+ 8.0 9 5 4 0 55.6 20 11 9 55.0 178 95 83 53.4 0
Combo 8.5 2 1 1 0 50.0 5 3 2 60.0 39 23 16 59.0 1
Total 22 13 9 0 59.1 50 29 21 58.0 416 224 192 53.8 1
Match Date League Team Court Partner Opponent(s) W/L Result Match Rating
12/13/2020 Combo
8.5		 NWO 8.5M Combo Little -Findlay Y
Midwest		 D3 Douglas Linden
(4.41) 		Joey Martin
(3.67)
Charles Horvath
(4.07) 		W 7-5
6-2		 3.69 -----
11/15/2020 Combo
8.5		 NWO 8.5M Combo Little -Findlay Y
Midwest		 D3 Douglas Linden
(4.41) 		Thedore Morse
(3.50)
Connor Majdalani
(4.32) 		L 6-4
2-6
1-0		 3.59 -----
10/11/2020 Combo
8.5		 NWO 8.5M Combo Little -Findlay Y
Midwest		 D3 Douglas Linden
(4.41) 		Default W 6-0
6-0		 S -----
08/29/2020 Adult 18+
4.0
Districts		 NWO 18&Over 4.0M Shaffer/Scott PTC
Midwest		 D3 Samuel Gold
(3.84) 		Jeffrey Gibbons
(3.61)
George Hilfinger
(3.72) 		W 6-2
6-3		 3.85 3.79
08/20/2020 Adult 55+
8.0		 NWO 55&Over 8.0M Klein/Creps -PTC
Midwest		 D1 Rick Busselle
(3.68) 		Michael Murry
(3.74)
Phil Dionyssiou
(3.50) 		L 7-5
7-6		 3.61 3.74
08/13/2020 Adult 55+
8.0		 NWO 55&Over 8.0M Klein/Creps -PTC
Midwest		 D1 Rick Busselle
(3.66) 		Rory White
(3.44)
Michael Murry
(3.76) 		W 6-3
6-2		 3.90 3.79
08/12/2020 Adult 40+
4.0		 NWO 40&Over 4.0M Stegman/Eilert -PTC
Midwest		 D2 Rick Busselle
(3.66) 		Mike Lyon
(3.65)
Kevin Webb
(3.18) 		W 6-3
6-4		 S 3.76
08/11/2020 Adult 18+
4.0		 NWO 18&Over 4.0M Shaffer/Scott PTC
Midwest		 D2 Dario Sagastume
(3.94) 		Dan Schwartz
(3.70)
Ray Elbin
(3.49) 		W 6-1
6-3		 3.81 3.76
08/06/2020 Adult 55+
8.0		 NWO 55&Over 8.0M Klein/Creps -PTC
Midwest		 D2 Rick Busselle
(3.61) 		Timothy Hoover
(3.90)
Joe Zabowski
(3.69) 		W 6-4
6-3		 4.00 3.78
07/30/2020 Adult 55+
8.0		 NWO 55&Over 8.0M Klein/Creps -PTC
Midwest		 D2 Steve Seubert
(3.64) 		Dan Schwartz
(3.69)
Ray Elbin
(3.44) 		W 7-5
6-2		 3.78 3.73
07/29/2020 Adult 18+
4.5		 NWO 18&Over 4.5M Lewis/Sagastume-Springfield HS
Midwest		 D2 Dario Sagastume
(3.95) 		Drew Dominiak
(4.08)
Kyle Crocker
(3.95) 		W 7-6
4-6
1-0		 3.87 3.73
07/28/2020 Adult 18+
4.0		 NWO 18&Over 4.0M Shaffer/Scott PTC
Midwest		 D2 Koroush Sheikhi
(3.74) 		Jacob Connolly
(3.65)
David Malinowski
(3.57) 		W 6-3
1-6
1-0		 3.56 3.67
07/23/2020 Adult 55+
8.0		 NWO 55&Over 8.0M Klein/Creps -PTC
Midwest		 D2 Rick Busselle
(3.54) 		Phil Dionyssiou
(3.57)
Michael Smith
(3.46) 		W 6-4
6-2		 3.78 3.72
07/22/2020 Adult 40+
4.0		 NWO 40&Over 4.0M Stegman/Eilert -PTC
Midwest		 D1 Wes Scott
(3.48) 		Paul Hochanadel
(3.37)
Hani Haidar
(3.70) 		L 6-2
3-6
1-0		 3.58 3.68
07/20/2020 Adult 18+
4.5		 NWO 18&Over 4.5M Lewis/Sagastume-Springfield HS
Midwest		 D2 Yvo Arias
(3.93) 		Landon Shell
(4.08)
Mike King
(3.95) 		L 6-2
6-2		 3.62 3.70
07/16/2020 Adult 55+
8.0		 NWO 55&Over 8.0M Klein/Creps -PTC
Midwest		 D2 Clyde Jeff Trumbull
(3.89) 		Pat Birney
(3.99)
Fritz Byers
(4.04) 		L 6-3
6-1		 3.65 3.71
07/09/2020 Adult 55+
8.0		 NWO 55&Over 8.0M Klein/Creps -PTC
Midwest		 D1 Steve Seubert
(3.66) 		William Latham
(3.89)
Charles Stumpp
(3.63) 		L 6-3
1-6
1-0		 3.83 3.73
07/07/2020 Adult 18+
4.0		 NWO 18&Over 4.0M Shaffer/Scott PTC
Midwest		 D1 Dario Sagastume
(3.95) 		Alex Simon
(3.27)
David Tobar
(3.65) 		W 6-4
6-3		 S 3.74
07/01/2020 Adult 40+
4.0		 NWO 40&Over 4.0M Stegman/Eilert -PTC
Midwest		 D3 Rick Busselle
(3.52) 		Paul Hochanadel
(3.40)
James Haxton
(3.67) 		W 6-0
6-3		 3.96 3.74
06/29/2020 Adult 18+
4.5		 NWO 18&Over 4.5M Lewis/Sagastume-Springfield HS
Midwest		 D1 Yvo Arias
(3.90) 		Kyle Crocker
(3.92)
Connor Majdalani
(4.28) 		L 6-2
6-4		 3.79 3.69
06/25/2020 Adult 55+
8.0		 NWO 55&Over 8.0M Klein/Creps -PTC
Midwest		 D3 David Creps
(3.51) 		Joe Zabowski
(3.60)
Steve Nixon
(3.69) 		L 6-3
7-6		 3.63 3.66
06/18/2020 Adult 55+
8.0		 NWO 55&Over 8.0M Klein/Creps -PTC
Midwest		 D2 Steve Seubert
(3.67) 		Dan Schwartz
(3.78)
Ray Elbin
(3.51) 		W 6-7
6-4
1-0		 3.69 3.67
06/17/2020 Adult 40+
4.0		 NWO 40&Over 4.0M Stegman/Eilert -PTC
Midwest		 D3 Eric Stegman
(3.83) 		Joe Zabowski
(3.65)
Timothy Hoover
(3.91) 		L 6-4
6-4		 3.60 3.67
12/13/2020 D3 Combo
8.5
NWO 8.5M Combo Little -Findlay Y
Midwest		 W NWO 8.5M Combo Morse/Majdalani -TWOS
Midwest
Douglas Linden (4.41) 7-5
6-2		 Joey Martin (3.67)
Charles Horvath (4.07)
Match: 3.69 Rating: -----
11/15/2020 D3 Combo
8.5
NWO 8.5M Combo Little -Findlay Y
Midwest		 L NWO 8.5M Combo Morse/Majdalani -TWOS
Midwest
Douglas Linden (4.41) 6-4
2-6
1-0		 Thedore Morse (3.50)
Connor Majdalani (4.32)
Match: 3.59 Rating: -----
10/11/2020 D3 Combo
8.5
NWO 8.5M Combo Little -Findlay Y
Midwest		 W NWO 8.5M Combo Barden -Launchpad
Midwest
Douglas Linden (4.41) 6-0
6-0		 Default
Match: S Rating: -----
08/29/2020 D3 Adult 18+
4.0
Districts
NWO 18&Over 4.0M Shaffer/Scott PTC
Midwest		 W NWO 18&Over 4.0M Wilkins -TTC
Midwest
Samuel Gold (3.84) 6-2
6-3		 Jeffrey Gibbons (3.61)
George Hilfinger (3.72)
Match: 3.85 Rating: 3.79
08/20/2020 D1 Adult 55+
8.0
NWO 55&Over 8.0M Klein/Creps -PTC
Midwest		 L NWO 55&Over 8.0M Gray/Smith- TTC
Midwest
Rick Busselle (3.68) 7-5
7-6		 Michael Murry (3.74)
Phil Dionyssiou (3.50)
Match: 3.61 Rating: 3.74
08/13/2020 D1 Adult 55+
8.0
NWO 55&Over 8.0M Klein/Creps -PTC
Midwest		 W NWO 55&Over 8.0M Gray/Smith- TTC
Midwest
Rick Busselle (3.66) 6-3
6-2		 Rory White (3.44)
Michael Murry (3.76)
Match: 3.90 Rating: 3.79
08/12/2020 D2 Adult 40+
4.0
NWO 40&Over 4.0M Stegman/Eilert -PTC
Midwest		 W NWO 40&Over 4.0M Brooks-SVC
Midwest
Rick Busselle (3.66) 6-3
6-4		 Mike Lyon (3.65)
Kevin Webb (3.18)
Match: S Rating: 3.76
08/11/2020 D2 Adult 18+
4.0
NWO 18&Over 4.0M Shaffer/Scott PTC
Midwest		 W NWO 18&Over 4.0M Albert -Findlay HS
Midwest
Dario Sagastume (3.94) 6-1
6-3		 Dan Schwartz (3.70)
Ray Elbin (3.49)
Match: 3.81 Rating: 3.76
08/06/2020 D2 Adult 55+
8.0
NWO 55&Over 8.0M Klein/Creps -PTC
Midwest		 W NWO 55&Over 8.0M Wilkins-TTC
Midwest
Rick Busselle (3.61) 6-4
6-3		 Timothy Hoover (3.90)
Joe Zabowski (3.69)
Match: 4.00 Rating: 3.78
07/30/2020 D2 Adult 55+
8.0
NWO 55&Over 8.0M Klein/Creps -PTC
Midwest		 W NWO 55&Over 8.0M Schmidt/Schwartz-Findlay HS
Midwest
Steve Seubert (3.64) 7-5
6-2		 Dan Schwartz (3.69)
Ray Elbin (3.44)
Match: 3.78 Rating: 3.73
07/29/2020 D2 Adult 18+
4.5
NWO 18&Over 4.5M Lewis/Sagastume-Springfield HS
Midwest		 W NWO 18&Over 4.5M Majdalani -TWOS
Midwest
Dario Sagastume (3.95) 7-6
4-6
1-0		 Drew Dominiak (4.08)
Kyle Crocker (3.95)
Match: 3.87 Rating: 3.73
07/28/2020 D2 Adult 18+
4.0
NWO 18&Over 4.0M Shaffer/Scott PTC
Midwest		 W NWO 18&Over 4.0M King/Stalker-Southview HS
Midwest
Koroush Sheikhi (3.74) 6-3
1-6
1-0		 Jacob Connolly (3.65)
David Malinowski (3.57)
Match: 3.56 Rating: 3.67
07/23/2020 D2 Adult 55+
8.0
NWO 55&Over 8.0M Klein/Creps -PTC
Midwest		 W NWO 55&Over 8.0M Gray/Smith- TTC
Midwest
Rick Busselle (3.54) 6-4
6-2		 Phil Dionyssiou (3.57)
Michael Smith (3.46)
Match: 3.78 Rating: 3.72
07/22/2020 D1 Adult 40+
4.0
NWO 40&Over 4.0M Stegman/Eilert -PTC
Midwest		 L NWO 40&Over 4.0M Brooks-SVC
Midwest
Wes Scott (3.48) 6-2
3-6
1-0		 Paul Hochanadel (3.37)
Hani Haidar (3.70)
Match: 3.58 Rating: 3.68
07/20/2020 D2 Adult 18+
4.5
NWO 18&Over 4.5M Lewis/Sagastume-Springfield HS
Midwest		 L NWO 18&Over 4.5M Majdalani -TWOS
Midwest
Yvo Arias (3.93) 6-2
6-2		 Landon Shell (4.08)
Mike King (3.95)
Match: 3.62 Rating: 3.70
07/16/2020 D2 Adult 55+
8.0
NWO 55&Over 8.0M Klein/Creps -PTC
Midwest		 L NWO 55&Over 8.0M Wilkins-TTC
Midwest
Clyde Jeff Trumbull (3.89) 6-3
6-1		 Pat Birney (3.99)
Fritz Byers (4.04)
Match: 3.65 Rating: 3.71
07/09/2020 D1 Adult 55+
8.0
NWO 55&Over 8.0M Klein/Creps -PTC
Midwest		 L NWO 55&Over 8.0M Schmidt/Schwartz-Findlay HS
Midwest
Steve Seubert (3.66) 6-3
1-6
1-0		 William Latham (3.89)
Charles Stumpp (3.63)
Match: 3.83 Rating: 3.73
07/07/2020 D1 Adult 18+
4.0
NWO 18&Over 4.0M Shaffer/Scott PTC
Midwest		 W NWO 18&Over 4.0M Carney/Drumm-BG HS
Midwest
Dario Sagastume (3.95) 6-4
6-3		 Alex Simon (3.27)
David Tobar (3.65)
Match: S Rating: 3.74
07/01/2020 D3 Adult 40+
4.0
NWO 40&Over 4.0M Stegman/Eilert -PTC
Midwest		 W NWO 40&Over 4.0M Brooks-SVC
Midwest
Rick Busselle (3.52) 6-0
6-3		 Paul Hochanadel (3.40)
James Haxton (3.67)
Match: 3.96 Rating: 3.74
06/29/2020 D1 Adult 18+
4.5
NWO 18&Over 4.5M Lewis/Sagastume-Springfield HS
Midwest		 L NWO 18&Over 4.5M Majdalani -TWOS
Midwest
Yvo Arias (3.90) 6-2
6-4		 Kyle Crocker (3.92)
Connor Majdalani (4.28)
Match: 3.79 Rating: 3.69
06/25/2020 D3 Adult 55+
8.0
NWO 55&Over 8.0M Klein/Creps -PTC
Midwest		 L NWO 55&Over 8.0M Wilkins-TTC
Midwest
David Creps (3.51) 6-3
7-6		 Joe Zabowski (3.60)
Steve Nixon (3.69)
Match: 3.63 Rating: 3.66
06/18/2020 D2 Adult 55+
8.0
NWO 55&Over 8.0M Klein/Creps -PTC
Midwest		 W NWO 55&Over 8.0M Schmidt/Schwartz-Findlay HS
Midwest
Steve Seubert (3.67) 6-7
6-4
1-0		 Dan Schwartz (3.78)
Ray Elbin (3.51)
Match: 3.69 Rating: 3.67
06/17/2020 D3 Adult 40+
4.0
NWO 40&Over 4.0M Stegman/Eilert -PTC
Midwest		 L NWO 40&Over 4.0M Wilkins-TTC
Midwest
Eric Stegman (3.83) 6-4
6-4		 Joe Zabowski (3.65)
Timothy Hoover (3.91)
Match: 3.60 Rating: 3.67
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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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