Statistical Analysis and Estimated Tennis Ratings to the 10,000th of a Point
Match History (2021) View Advanced Player Stats
David Kumasaka (Flagstaff, AZ)
Male 		3.5 C
12/31/2023
Estimated Dynamic Rating 3.5925
5/9/2024
Projected Year End Rating ------
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3.5 Rating Meter
Rating Meter
3.0001 - 3.5000
Recent Match History Current Rating History
2021 Overall Season
League/Level Total
Matches		 Win Loss Tie WPct Total
Sets		 Win Loss WPct Total
Games		 Win Loss WPct Defaults
Adult 40+ 4.0 11 1 10 0 9.1 27 7 20 25.9 199 79 120 39.7 0
Adult 55+ 8.0 6 4 2 0 66.7 13 8 5 61.5 118 64 54 54.2 0
Total 17 5 12 0 29.4 40 15 25 37.5 317 143 174 45.1 0
Match Date League Team Court Partner Opponent(s) W/L Result Match Rating
10/23/2021 Adult 40+
4.0		 Kumasaka
Southwest		 D1 Keiji Iwai
(3.71) 		Adam Kaupisch
(3.66)
Jude Bacayo
(3.75) 		L 6-2
7-5		 3.41 3.43
10/09/2021 Adult 40+
4.0		 Kumasaka
Southwest		 D3 John Malone
(3.56) 		Michael Dedic
(3.85)
Diego Constante
(3.63) 		L 5-7
6-2
1-0		 3.58 3.47
10/09/2021 Adult 40+
4.0		 Kumasaka
Southwest		 D3 rich stephens
(3.48) 		Craig Abney
(3.61)
Paul Miller
(3.43) 		L 6-0
6-4		 3.22 3.40
10/02/2021 Adult 40+
4.0		 Kumasaka
Southwest		 D3 Chris Lasley
(3.24) 		John Kolody
(3.45)
Craig Abney
(3.62) 		L 6-3
6-3		 3.46 3.45
10/02/2021 Adult 40+
4.0		 Kumasaka
Southwest		 D1 Keiji Iwai
(3.57) 		Michael Dedic
(4.09)
Michael Pilsl
(3.76) 		L 6-1
7-6		 S 3.48
08/07/2021 Adult 55+
8.0		 NAZ Ryan
Southwest		 D1 John Vogel
(3.16) 		John Kolody
(3.42)
Thomas Howell
(3.62) 		L 7-5
7-6		 S 3.48
08/07/2021 Adult 55+
8.0		 NAZ Ryan
Southwest		 D3 Kent Divine
(3.68) 		Gary Petersen
(2.74)
Jack Rayman
(3.37) 		W 6-4
6-1		 S 3.48
07/31/2021 Adult 55+
8.0		 NAZ Ryan
Southwest		 D2 Keith Ryan
(3.68) 		Robert Doig
(3.33)
Robert Schuessler
(3.51) 		W 6-3
6-1		 3.59 3.48
07/31/2021 Adult 55+
8.0		 NAZ Ryan
Southwest		 D3 Bruce Bourne
(3.39) 		Paul Miller
(-----)
Jack Rayman
(3.56) 		W 6-4
6-2		 S 3.44
07/10/2021 Adult 55+
8.0		 NAZ Ryan
Southwest		 D2 Brandon Cruickshank
(3.65) 		Roger Gee
(3.56)
Mario Vargas
(3.70) 		W 6-7
7-6
1-0		 S 3.44
07/10/2021 Adult 55+
8.0		 NAZ Ryan
Southwest		 D2 geoff miller
(3.07) 		Mario Vargas
(3.73)
Roger Gee
(3.59) 		L 6-2
6-1		 3.45 3.44
04/10/2021 Adult 40+
4.0		 NAZ Iwai
Southwest		 D2 Keith Ryan
(3.71) 		Craig Abney
(3.51)
John Kolody
(3.42) 		L 6-2
6-7
1-0		 3.27 3.40
04/10/2021 Adult 40+
4.0		 NAZ Iwai
Southwest		 D3 Keiji Iwai
(3.61) 		Craig Abney
(3.61)
Steven Riggs
(3.71) 		W 6-3
6-3		 3.76 3.50
03/27/2021 Adult 40+
4.0		 NAZ Iwai
Southwest		 D2 Keiji Iwai
(3.57) 		Jude Bacayo
(3.94)
John Kolody
(3.45) 		L 6-1
3-6
1-0		 3.52 3.42
03/27/2021 Adult 40+
4.0		 NAZ Iwai
Southwest		 D3 Timothy Weber
(3.46) 		John Kolody
(3.53)
Craig Abney
(3.58) 		L 1-6
6-1
1-0		 3.49 3.41
02/20/2021 Adult 40+
4.0		 NAZ Iwai
Southwest		 D1 Keiji Iwai
(3.56) 		Tom Kolb
(3.75)
Thomas Howell
(3.61) 		L 2-6
6-2
1-0		 3.54 3.41
02/20/2021 Adult 40+
4.0		 NAZ Iwai
Southwest		 D2 Robert Voytek
(3.56) 		Michael Pilsl
(3.68)
Anthony Delgado
(3.66) 		L 6-2
6-1		 3.25 3.34
10/23/2021 D1 Adult 40+
4.0
Kumasaka
Southwest		 L NAZ/Kolody/40&Over/4.0M
Southwest
Keiji Iwai (3.71) 6-2
7-5		 Adam Kaupisch (3.66)
Jude Bacayo (3.75)
Match: 3.41 Rating: 3.43
10/09/2021 D3 Adult 40+
4.0
Kumasaka
Southwest		 L NAZ/Kolody/40&Over/4.0M
Southwest
John Malone (3.56) 5-7
6-2
1-0		 Michael Dedic (3.85)
Diego Constante (3.63)
Match: 3.58 Rating: 3.47
10/09/2021 D3 Adult 40+
4.0
Kumasaka
Southwest		 L NAZ/Kolody/40&Over/4.0M
Southwest
rich stephens (3.48) 6-0
6-4		 Craig Abney (3.61)
Paul Miller (3.43)
Match: 3.22 Rating: 3.40
10/02/2021 D3 Adult 40+
4.0
Kumasaka
Southwest		 L NAZ/Kolody/40&Over/4.0M
Southwest
Chris Lasley (3.24) 6-3
6-3		 John Kolody (3.45)
Craig Abney (3.62)
Match: 3.46 Rating: 3.45
10/02/2021 D1 Adult 40+
4.0
Kumasaka
Southwest		 L NAZ/Kolody/40&Over/4.0M
Southwest
Keiji Iwai (3.57) 6-1
7-6		 Michael Dedic (4.09)
Michael Pilsl (3.76)
Match: S Rating: 3.48
08/07/2021 D1 Adult 55+
8.0
NAZ Ryan
Southwest		 L NAZ Kolody
Southwest
John Vogel (3.16) 7-5
7-6		 John Kolody (3.42)
Thomas Howell (3.62)
Match: S Rating: 3.48
08/07/2021 D3 Adult 55+
8.0
NAZ Ryan
Southwest		 W NAZ Kolody
Southwest
Kent Divine (3.68) 6-4
6-1		 Gary Petersen (2.74)
Jack Rayman (3.37)
Match: S Rating: 3.48
07/31/2021 D2 Adult 55+
8.0
NAZ Ryan
Southwest		 W NAZ Kolody
Southwest
Keith Ryan (3.68) 6-3
6-1		 Robert Doig (3.33)
Robert Schuessler (3.51)
Match: 3.59 Rating: 3.48
07/31/2021 D3 Adult 55+
8.0
NAZ Ryan
Southwest		 W NAZ Kolody
Southwest
Bruce Bourne (3.39) 6-4
6-2		 Paul Miller (-----)
Jack Rayman (3.56)
Match: S Rating: 3.44
07/10/2021 D2 Adult 55+
8.0
NAZ Ryan
Southwest		 W NAZ Kolody
Southwest
Brandon Cruickshank (3.65) 6-7
7-6
1-0		 Roger Gee (3.56)
Mario Vargas (3.70)
Match: S Rating: 3.44
07/10/2021 D2 Adult 55+
8.0
NAZ Ryan
Southwest		 L NAZ Kolody
Southwest
geoff miller (3.07) 6-2
6-1		 Mario Vargas (3.73)
Roger Gee (3.59)
Match: 3.45 Rating: 3.44
04/10/2021 D2 Adult 40+
4.0
NAZ Iwai
Southwest		 L NAZ Kolody
Southwest
Keith Ryan (3.71) 6-2
6-7
1-0		 Craig Abney (3.51)
John Kolody (3.42)
Match: 3.27 Rating: 3.40
04/10/2021 D3 Adult 40+
4.0
NAZ Iwai
Southwest		 W NAZ Kolody
Southwest
Keiji Iwai (3.61) 6-3
6-3		 Craig Abney (3.61)
Steven Riggs (3.71)
Match: 3.76 Rating: 3.50
03/27/2021 D2 Adult 40+
4.0
NAZ Iwai
Southwest		 L NAZ Kolody
Southwest
Keiji Iwai (3.57) 6-1
3-6
1-0		 Jude Bacayo (3.94)
John Kolody (3.45)
Match: 3.52 Rating: 3.42
03/27/2021 D3 Adult 40+
4.0
NAZ Iwai
Southwest		 L NAZ Kolody
Southwest
Timothy Weber (3.46) 1-6
6-1
1-0		 John Kolody (3.53)
Craig Abney (3.58)
Match: 3.49 Rating: 3.41
02/20/2021 D1 Adult 40+
4.0
NAZ Iwai
Southwest		 L NAZ Kolody
Southwest
Keiji Iwai (3.56) 2-6
6-2
1-0		 Tom Kolb (3.75)
Thomas Howell (3.61)
Match: 3.54 Rating: 3.41
02/20/2021 D2 Adult 40+
4.0
NAZ Iwai
Southwest		 L NAZ Kolody
Southwest
Robert Voytek (3.56) 6-2
6-1		 Michael Pilsl (3.68)
Anthony Delgado (3.66)
Match: 3.25 Rating: 3.34
Glossary
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S Self rated or unrated player involved in match so no match rating calculated for current player.
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