Statistical Analysis and Estimated Tennis Ratings to the 10,000th of a Point
Match History (2023) View Advanced Player Stats
Keiji Iwai (Flagstaff, AZ)
Male 		4.0 C
12/31/2023
Estimated Dynamic Rating 3.7554
5/23/2024
Projected Year End Rating ------
----------
4.0 Rating Meter
Rating Meter
3.5001 - 4.0000
Recent Match History Current Rating History
2023 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 6 4 2 0 66.7 13 9 4 69.2 104 62 42 59.6 0
Adult 40+ 4.0 7 2 5 0 28.6 16 6 10 37.5 131 59 72 45.0 0
Mixed 18+ 8.0 3 1 2 0 33.3 7 3 4 42.9 66 34 32 51.5 0
Mixed 40+ 8.0 5 1 4 0 20.0 12 3 9 25.0 94 35 59 37.2 0
Total 21 8 13 0 38.1 48 21 27 43.8 395 190 205 48.1 0
Match Date League Team Court Partner Opponent(s) W/L Result Match Rating
10/22/2023 Adult 40+
4.0		 Team Iwai
Southwest		 D2 David Kumasaka
(3.48) 		Gary Linden
(3.66)
Mark Carlson
(3.60) 		L 6-2
5-7
1-0		 3.67 3.75
10/22/2023 Adult 40+
4.0		 Team Iwai
Southwest		 D1 David Kumasaka
(3.54) 		Timothy Weber
(3.72)
Mark Navarro
(3.70) 		L 6-1
6-1		 3.44 3.72
09/30/2023 Adult 40+
4.0		 Team Iwai
Southwest		 S1 Trent Bowers
(3.88) 		L 6-2
6-2		 S 3.77
09/30/2023 Adult 40+
4.0		 Team Iwai
Southwest		 D1 John Malone
(3.73) 		Andy Mraz
(3.63)
Matthew Mraz
(3.63) 		L 6-3
1-6
1-0		 3.70 3.77
09/24/2023 Mixed 40+
8.0
Sectionals		 NAZ/Malone/ mixed 40 and over/8.0
Southwest		 D2 Tracy Schweitzer
(3.41) 		Dodi Campbell
(3.74)
Michael Levy
(3.91) 		L 6-1
6-3		 3.68 3.66
09/23/2023 Mixed 40+
8.0
Sectionals		 NAZ/Malone/ mixed 40 and over/8.0
Southwest		 D1 Jade LeWin
(3.51) 		Michael Bezemek
(3.73)
Erika Licon
(3.79) 		W 3-6
6-4
1-0		 3.82 3.69
09/22/2023 Mixed 40+
8.0
Sectionals		 NAZ/Malone/ mixed 40 and over/8.0
Southwest		 D2 Jade LeWin
(3.55) 		Katie Joshi
(3.71)
Romel Sanchez
(3.85) 		L 6-3
6-0		 3.49 3.63
09/10/2023 Adult 40+
4.0		 Team Iwai
Southwest		 S1 Mark Navarro
(3.69) 		W 6-3
7-6		 3.79 3.79
09/02/2023 Adult 40+
4.0		 Team Iwai
Southwest		 D1 John Malone
(3.73) 		Andy Mraz
(3.72)
Matthew Mraz
(3.72) 		W 6-4
6-2		 S 3.75
09/02/2023 Adult 40+
4.0		 Team Iwai
Southwest		 D2 David Kumasaka
(3.56) 		Andy Mraz
(-----)
Matthew Mraz
(-----) 		L 6-4
7-6		 S 3.75
07/30/2023 Mixed 40+
8.0		 NAZ/Malone/ mixed 40 and over/8.0
Southwest		 D1 Jennifer Crownhart
(3.81) 		Diego Constante
(3.76)
Lynette Larsen
(3.72) 		L 6-4
6-4		 3.56 3.65
07/21/2023 Mixed 18+
8.0		 Team Schulz
Southwest		 D2 Ann Harwood
(3.62) 		Sophie Damaso
(3.63)
Andrew Vo
(3.59) 		L 7-6
5-7
1-0		 3.64 3.66
07/16/2023 Mixed 40+
8.0		 NAZ/Malone/ mixed 40 and over/8.0
Southwest		 D1 Ann Harwood
(3.62) 		Stephen Lakowske
(3.83)
Lori Youngdahl
(3.68) 		L 6-7
6-3
1-0		 3.70 3.67
06/11/2023 Tournament
NM4.0d		 Flagstaff Open - Adults C-S David Kumasaka
(3.49) 		Ian van Schilfgaarde
(-----)
Ryan Stevens
(-----) 		L 2-6
6-4
1-0		 S -----
06/10/2023 Tournament
MOPs		 Flagstaff Open - Adults Q Cole Stofflet
(-----) 		L 6-0
6-1		 S -----
06/10/2023 Tournament
MOPs		 Flagstaff Open - Adults 16 Timothy Weber
(3.68) 		W 6-2
6-3		 S -----
06/10/2023 Tournament
NM4.0d		 Flagstaff Open - Adults 16 David Kumasaka
(3.49) 		John Fetherston
(-----)
Robert Perich
(-----) 		L 4-6
6-2
1-0		 S -----
06/08/2023 Mixed 18+
8.0		 Team Schulz
Southwest		 D1 Esther Spravzoff
(3.92) 		Coleman Welch
(4.34)
Tandi Ball
(3.26) 		L 6-2
7-6		 S 3.66
06/01/2023 Mixed 18+
8.0		 Team Schulz
Southwest		 D2 Esther Spravzoff
(3.92) 		Nick DeBiasse
(-----)
Tandi Ball
(3.26) 		W 7-5
6-1		 S 3.66
04/08/2023 Adult 18+
4.0		 Iwai/Kumasaka
Southwest		 D1 Jared Archer
(3.57) 		Steven Riggs
(3.63)
Jon Turoczy
(3.79) 		L 6-1
6-1		 3.44 3.75
04/08/2023 Adult 18+
4.0		 Iwai/Kumasaka
Southwest		 D1 Bryan Gest
(3.89) 		Anthony Delgado
(3.62)
Daniel Herrick
(3.84) 		W 7-5
6-3		 3.84 3.80
04/02/2023 Adult 18+
4.0		 Iwai/Kumasaka
Southwest		 D1 John Malone
(3.68) 		Daniel Herrick
(3.97)
John Kolody
(3.47) 		W 6-1
6-0		 4.21 3.85
03/25/2023 Adult 18+
4.0		 Iwai/Kumasaka
Southwest		 D1 David Kumasaka
(3.56) 		Diego Constante
(3.58)
james allen
(3.62) 		W 6-2
6-1		 4.02 3.80
02/11/2023 Adult 18+
4.0		 Iwai/Kumasaka
Southwest		 D1 John Malone
(3.69) 		John Kolody
(3.46)
Craig Abney
(3.60) 		W 6-1
7-6		 3.72 3.72
02/11/2023 Adult 18+
4.0		 Iwai/Kumasaka
Southwest		 D1 David Kumasaka
(3.56) 		Craig Abney
(3.58)
Mark Navarro
(3.60) 		L 6-4
4-6
1-0		 3.67 3.71
10/22/2023 D2 Adult 40+
4.0
Team Iwai
Southwest		 L NAZ/Weber/40 and over/4.0M
Southwest
David Kumasaka (3.48) 6-2
5-7
1-0		 Gary Linden (3.66)
Mark Carlson (3.60)
Match: 3.67 Rating: 3.75
10/22/2023 D1 Adult 40+
4.0
Team Iwai
Southwest		 L NAZ/Weber/40 and over/4.0M
Southwest
David Kumasaka (3.54) 6-1
6-1		 Timothy Weber (3.72)
Mark Navarro (3.70)
Match: 3.44 Rating: 3.72
09/30/2023 S1 Adult 40+
4.0
Team Iwai
Southwest		 L Mentken's Maurader's
Southwest
6-2
6-2		 Trent Bowers (3.88)
Match: S Rating: 3.77
09/30/2023 D1 Adult 40+
4.0
Team Iwai
Southwest		 L Mentken's Maurader's
Southwest
John Malone (3.73) 6-3
1-6
1-0		 Andy Mraz (3.63)
Matthew Mraz (3.63)
Match: 3.70 Rating: 3.77
09/24/2023 D2 Mixed 40+
8.0
Sectionals
NAZ/Malone/ mixed 40 and over/8.0
Southwest		 L SAZ 40+Mixed/ Tomasa
Southwest
Tracy Schweitzer (3.41) 6-1
6-3		 Dodi Campbell (3.74)
Michael Levy (3.91)
Match: 3.68 Rating: 3.66
09/23/2023 D1 Mixed 40+
8.0
Sectionals
NAZ/Malone/ mixed 40 and over/8.0
Southwest		 W GEPTA/Misssirian/40&over/8.0mx
Southwest
Jade LeWin (3.51) 3-6
6-4
1-0		 Michael Bezemek (3.73)
Erika Licon (3.79)
Match: 3.82 Rating: 3.69
09/22/2023 D2 Mixed 40+
8.0
Sectionals
NAZ/Malone/ mixed 40 and over/8.0
Southwest		 L NNM/Goradia/40 & Over Mixed/8.0
Southwest
Jade LeWin (3.55) 6-3
6-0		 Katie Joshi (3.71)
Romel Sanchez (3.85)
Match: 3.49 Rating: 3.63
09/10/2023 S1 Adult 40+
4.0
Team Iwai
Southwest		 W NAZ/Weber/40 and over/4.0M
Southwest
6-3
7-6		 Mark Navarro (3.69)
Match: 3.79 Rating: 3.79
09/02/2023 D1 Adult 40+
4.0
Team Iwai
Southwest		 W Mentken's Maurader's
Southwest
John Malone (3.73) 6-4
6-2		 Andy Mraz (3.72)
Matthew Mraz (3.72)
Match: S Rating: 3.75
09/02/2023 D2 Adult 40+
4.0
Team Iwai
Southwest		 L Mentken's Maurader's
Southwest
David Kumasaka (3.56) 6-4
7-6		 Andy Mraz (-----)
Matthew Mraz (-----)
Match: S Rating: 3.75
07/30/2023 D1 Mixed 40+
8.0
NAZ/Malone/ mixed 40 and over/8.0
Southwest		 L Poco Locos
Southwest
Jennifer Crownhart (3.81) 6-4
6-4		 Diego Constante (3.76)
Lynette Larsen (3.72)
Match: 3.56 Rating: 3.65
07/21/2023 D2 Mixed 18+
8.0
Team Schulz
Southwest		 L NAZ/Ball/mixed 18&over/8.0
Southwest
Ann Harwood (3.62) 7-6
5-7
1-0		 Sophie Damaso (3.63)
Andrew Vo (3.59)
Match: 3.64 Rating: 3.66
07/16/2023 D1 Mixed 40+
8.0
NAZ/Malone/ mixed 40 and over/8.0
Southwest		 L Poco Locos
Southwest
Ann Harwood (3.62) 6-7
6-3
1-0		 Stephen Lakowske (3.83)
Lori Youngdahl (3.68)
Match: 3.70 Rating: 3.67
Flagstaff Open - Adults
06/11/2023 C-S Tournament
NM4.0d
L
David Kumasaka (3.49) 2-6
6-4
1-0		 Ian van Schilfgaarde (-----)
Ryan Stevens (-----)
Match: S Rating: -----
Flagstaff Open - Adults
06/10/2023 Q Tournament
MOPs
L
6-0
6-1		 Cole Stofflet (-----)
Match: S Rating: -----
Flagstaff Open - Adults
06/10/2023 16 Tournament
MOPs
W
6-2
6-3		 Timothy Weber (3.68)
Match: S Rating: -----
Flagstaff Open - Adults
06/10/2023 16 Tournament
NM4.0d
L
David Kumasaka (3.49) 4-6
6-2
1-0		 John Fetherston (-----)
Robert Perich (-----)
Match: S Rating: -----
06/08/2023 D1 Mixed 18+
8.0
Team Schulz
Southwest		 L NAZ/Ball/mixed 18&over/8.0
Southwest
Esther Spravzoff (3.92) 6-2
7-6		 Coleman Welch (4.34)
Tandi Ball (3.26)
Match: S Rating: 3.66
06/01/2023 D2 Mixed 18+
8.0
Team Schulz
Southwest		 W NAZ/Ball/mixed 18&over/8.0
Southwest
Esther Spravzoff (3.92) 7-5
6-1		 Nick DeBiasse (-----)
Tandi Ball (3.26)
Match: S Rating: 3.66
04/08/2023 D1 Adult 18+
4.0
Iwai/Kumasaka
Southwest		 L NAZ/Kolody/18&Over/4.0M
Southwest
Jared Archer (3.57) 6-1
6-1		 Steven Riggs (3.63)
Jon Turoczy (3.79)
Match: 3.44 Rating: 3.75
04/08/2023 D1 Adult 18+
4.0
Iwai/Kumasaka
Southwest		 W NAZ/Kolody/18&Over/4.0M
Southwest
Bryan Gest (3.89) 7-5
6-3		 Anthony Delgado (3.62)
Daniel Herrick (3.84)
Match: 3.84 Rating: 3.80
04/02/2023 D1 Adult 18+
4.0
Iwai/Kumasaka
Southwest		 W NAZ/Kolody/18&Over/4.0M
Southwest
John Malone (3.68) 6-1
6-0		 Daniel Herrick (3.97)
John Kolody (3.47)
Match: 4.21 Rating: 3.85
03/25/2023 D1 Adult 18+
4.0
Iwai/Kumasaka
Southwest		 W NAZ/Kolody/18&Over/4.0M
Southwest
David Kumasaka (3.56) 6-2
6-1		 Diego Constante (3.58)
james allen (3.62)
Match: 4.02 Rating: 3.80
02/11/2023 D1 Adult 18+
4.0
Iwai/Kumasaka
Southwest		 W NAZ/Kolody/18&Over/4.0M
Southwest
John Malone (3.69) 6-1
7-6		 John Kolody (3.46)
Craig Abney (3.60)
Match: 3.72 Rating: 3.72
02/11/2023 D1 Adult 18+
4.0
Iwai/Kumasaka
Southwest		 L NAZ/Kolody/18&Over/4.0M
Southwest
David Kumasaka (3.56) 6-4
4-6
1-0		 Craig Abney (3.58)
Mark Navarro (3.60)
Match: 3.67 Rating: 3.71
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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