TennisRecord.com - Estimated Tennis Ratings & Stats

Match History (2023)

David Kumasaka (Flagstaff, AZ) Male	4.0 C 12/31/2024
Estimated Dynamic Rating	3.5100 12/10/2024
Projected Year End Rating	------ ----------

4.0 Rating Meter

3.5001 - 4.0000

Recent Match History Current Rating History

4.0 Rating Meter

Recent Match History
Current Rating Season

2023 Overall Season

League/Level	Total Matches	Win	Loss	WPct	Total Sets	Win	Loss	WPct	Total Games	Win	Loss	WPct
Adult 18+ 4.0	6	3	3	50.0	15	8	7	53.3	114	60	54	52.6
Adult 40+ 4.0	8	1	7	12.5	18	4	14	22.2	153	60	93	39.2
Mixed 18+ 8.0	3	1	2	33.3	6	2	4	33.3	56	23	33	41.1
Mixed 40+ 8.0	7	3	4	42.9	17	8	9	47.1	132	65	67	49.2
Total	24	8	16	33.3	56	22	34	39.3	455	208	247	45.7

Match Date	League	Team	Court	Partner	Opponent(s)	W/L	Result	Match	Rating
10/22/2023	Adult 40+ 4.0	Team Iwai Southwest	D2	Keiji Iwai (3.72)	Gary Linden (3.66) Mark Carlson (3.60)	L	6-2 5-7 1-0	3.44	3.50
10/22/2023	Adult 40+ 4.0	Team Iwai Southwest	D1	Keiji Iwai (3.77)	Timothy Weber (3.72) Mark Navarro (3.70)	L	6-1 6-1	3.21	3.48
09/30/2023	Adult 40+ 4.0	Team Iwai Southwest	D3	rich stephens (3.51)	Andy Mraz (3.66) Matthew Mraz (3.66)	L	6-2 6-1	3.33	3.54
09/30/2023	Adult 40+ 4.0	Team Iwai Southwest	S1		Charles Mentken (3.11)	L	6-3 6-3	2.92	3.52
09/23/2023	Mixed 40+ 8.0 Sectionals	NAZ/Malone/ mixed 40 and over/8.0 Southwest	D2	Jana Perpich (3.63)	Henry Gallardo (3.78) Zulem Bordier (3.58)	L	7-5 7-6	3.55	3.51
09/22/2023	Mixed 40+ 8.0 Sectionals	NAZ/Malone/ mixed 40 and over/8.0 Southwest	D3	Tracy Schweitzer (3.40)	loredana Fitzpatrick (4.03) Jon Ashman (3.57)	L	6-1 6-2	3.53	3.49
09/22/2023	Mixed 40+ 8.0 Sectionals	NAZ/Malone/ mixed 40 and over/8.0 Southwest	D3	Jana Perpich (3.55)	Lisa Nelson (3.60) Krishna Goradia (3.85)	W	6-3 6-4	3.82	3.54
09/10/2023	Adult 40+ 4.0	Team Iwai Southwest	D2	Robert Voytek (3.47)	Peter Ney (3.97) Gary Linden (3.52)	L	7-6 6-3	S	3.56
09/10/2023	Adult 40+ 4.0	Team Iwai Southwest	D1	Robert Voytek (3.47)	Timothy Weber (3.62) Gary Linden (-----)	L	6-2 3-6 1-0	S	3.56
09/02/2023	Adult 40+ 4.0	Team Iwai Southwest	D2	rich stephens (3.51)	Charles Mentken (-----) Jeff Champ (3.80)	W	7-6 6-3	S	3.56
09/02/2023	Adult 40+ 4.0	Team Iwai Southwest	D2	Keiji Iwai (3.75)	Andy Mraz (-----) Matthew Mraz (-----)	L	6-4 7-6	S	3.56
07/30/2023	Mixed 40+ 8.0	NAZ/Malone/ mixed 40 and over/8.0 Southwest	D3	becky williams (3.72)	John Kolody (3.51) Lori Youngdahl (3.65)	W	6-1 2-6 1-0	3.50	3.46
07/22/2023	Mixed 40+ 8.0	NAZ/Malone/ mixed 40 and over/8.0 Southwest	D2	Jana Perpich (3.55)	Packy Baker (3.58) Kirsten Aamodt (3.23)	L	6-3 3-6 1-0	S	3.43
06/24/2023	Mixed 40+ 8.0	NAZ/Malone/ mixed 40 and over/8.0 Southwest	D3	becky williams (3.63)	Vanessa Scheu (3.25) John Kolody (3.50)	W	6-2 7-6	3.40	3.43
06/24/2023	Mixed 40+ 8.0	NAZ/Malone/ mixed 40 and over/8.0 Southwest	D2	Jana Perpich (3.53)	Craig Abney (3.56) Kirsten Aamodt (3.14)	L	2-6 6-2 1-0	3.28	3.43
06/20/2023	Mixed 18+ 8.0	Team Schulz Southwest	D3	Jana Perpich (3.53)	Ian van Schilfgaarde (3.93) Riley Larson (3.77)	W	6-4 6-4	S	3.47
06/13/2023	Mixed 18+ 8.0	Team Schulz Southwest	D3	Tracy Schweitzer (3.49)	Adam Nicol (3.77) Kim Vallen (3.13)	L	7-6 6-1	3.29	3.47
06/11/2023	Tournament NM4.0d	Flagstaff Open - Adults	C-S	Keiji Iwai (3.73)	Ian van Schilfgaarde (-----) Ryan Stevens (-----)	L	2-6 6-4 1-0	S	-----
06/11/2023	Tournament NM4.0s	Flagstaff Open - Adults	C-QQ		Sean Bryan (-----)	L	6-3 6-4	S	-----
06/10/2023	Tournament NM4.0s	Flagstaff Open - Adults	16		varun harvu (3.56)	L	6-4 6-1	S	-----
06/10/2023	Tournament NM4.0d	Flagstaff Open - Adults	16	Keiji Iwai (3.73)	John Fetherston (-----) Robert Perich (-----)	L	4-6 6-2 1-0	S	-----
06/08/2023	Mixed 18+ 8.0	Team Schulz Southwest	D2	Nancy Harris (3.59)	Nick DeBiasse (3.69) Parie Kerr (3.52)	L	6-3 6-1	S	3.51
04/02/2023	Adult 18+ 4.0	Iwai/Kumasaka Southwest	D2	Robert Voytek (3.50)	Diego Constante (3.54) Steven Riggs (3.64)	L	6-4 6-2	3.45	3.56
03/25/2023	Adult 18+ 4.0	Iwai/Kumasaka Southwest	D1	Keiji Iwai (3.72)	Diego Constante (3.58) james allen (3.62)	W	6-2 6-1	3.86	3.62
03/04/2023	Adult 18+ 4.0	Iwai/Kumasaka Southwest	D2	Robert Voytek (3.50)	Link Paffenbarger (3.56) james allen (3.62)	W	7-6 6-2	S	3.56
03/04/2023	Adult 18+ 4.0	Iwai/Kumasaka Southwest	D2	rich stephens (3.60)	Daniel Herrick (3.99) james allen (4.07)	L	1-6 6-3 1-0	S	3.56
02/11/2023	Adult 18+ 4.0	Iwai/Kumasaka Southwest	D2	Robert Voytek (3.51)	Diego Constante (3.57) Link Paffenbarger (3.59)	W	2-6 7-6 1-0	3.55	3.56
02/11/2023	Adult 18+ 4.0	Iwai/Kumasaka Southwest	D1	Keiji Iwai (3.77)	Craig Abney (3.58) Mark Navarro (3.60)	L	6-4 4-6 1-0	3.46	3.55

10/22/2023	D2	Adult 40+ 4.0
Team Iwai Southwest	L	NAZ/Weber/40 and over/4.0M Southwest
Keiji Iwai (3.72)	6-2 5-7 1-0	Gary Linden (3.66) Mark Carlson (3.60)
Match: 3.44		Rating: 3.50

10/22/2023	D1	Adult 40+ 4.0
Team Iwai Southwest	L	NAZ/Weber/40 and over/4.0M Southwest
Keiji Iwai (3.77)	6-1 6-1	Timothy Weber (3.72) Mark Navarro (3.70)
Match: 3.21		Rating: 3.48

09/30/2023	D3	Adult 40+ 4.0
Team Iwai Southwest	L	Mentken's Maurader's Southwest
rich stephens (3.51)	6-2 6-1	Andy Mraz (3.66) Matthew Mraz (3.66)
Match: 3.33		Rating: 3.54

09/30/2023	S1	Adult 40+ 4.0
Team Iwai Southwest	L	Mentken's Maurader's Southwest
	6-3 6-3	Charles Mentken (3.11)
Match: 2.92		Rating: 3.52

09/23/2023	D2	Mixed 40+ 8.0 Sectionals
NAZ/Malone/ mixed 40 and over/8.0 Southwest	L	GEPTA/Misssirian/40&over/8.0mx Southwest
Jana Perpich (3.63)	7-5 7-6	Henry Gallardo (3.78) Zulem Bordier (3.58)
Match: 3.55		Rating: 3.51

09/22/2023	D3	Mixed 40+ 8.0 Sectionals
NAZ/Malone/ mixed 40 and over/8.0 Southwest	L	PHX/BiceSmith/40XOver/8.0X Southwest
Tracy Schweitzer (3.40)	6-1 6-2	loredana Fitzpatrick (4.03) Jon Ashman (3.57)
Match: 3.53		Rating: 3.49

09/22/2023	D3	Mixed 40+ 8.0 Sectionals
NAZ/Malone/ mixed 40 and over/8.0 Southwest	W	NNM/Goradia/40 & Over Mixed/8.0 Southwest
Jana Perpich (3.55)	6-3 6-4	Lisa Nelson (3.60) Krishna Goradia (3.85)
Match: 3.82		Rating: 3.54

09/10/2023	D2	Adult 40+ 4.0
Team Iwai Southwest	L	NAZ/Weber/40 and over/4.0M Southwest
Robert Voytek (3.47)	7-6 6-3	Peter Ney (3.97) Gary Linden (3.52)
Match: S		Rating: 3.56

09/10/2023	D1	Adult 40+ 4.0
Team Iwai Southwest	L	NAZ/Weber/40 and over/4.0M Southwest
Robert Voytek (3.47)	6-2 3-6 1-0	Timothy Weber (3.62) Gary Linden (-----)
Match: S		Rating: 3.56

09/02/2023	D2	Adult 40+ 4.0
Team Iwai Southwest	W	Mentken's Maurader's Southwest
rich stephens (3.51)	7-6 6-3	Charles Mentken (-----) Jeff Champ (3.80)
Match: S		Rating: 3.56

09/02/2023	D2	Adult 40+ 4.0
Team Iwai Southwest	L	Mentken's Maurader's Southwest
Keiji Iwai (3.75)	6-4 7-6	Andy Mraz (-----) Matthew Mraz (-----)
Match: S		Rating: 3.56

07/30/2023	D3	Mixed 40+ 8.0
NAZ/Malone/ mixed 40 and over/8.0 Southwest	W	Poco Locos Southwest
becky williams (3.72)	6-1 2-6 1-0	John Kolody (3.51) Lori Youngdahl (3.65)
Match: 3.50		Rating: 3.46

07/22/2023	D2	Mixed 40+ 8.0
NAZ/Malone/ mixed 40 and over/8.0 Southwest	L	Poco Locos Southwest
Jana Perpich (3.55)	6-3 3-6 1-0	Packy Baker (3.58) Kirsten Aamodt (3.23)
Match: S		Rating: 3.43

06/24/2023	D3	Mixed 40+ 8.0
NAZ/Malone/ mixed 40 and over/8.0 Southwest	W	Poco Locos Southwest
becky williams (3.63)	6-2 7-6	Vanessa Scheu (3.25) John Kolody (3.50)
Match: 3.40		Rating: 3.43

06/24/2023	D2	Mixed 40+ 8.0
NAZ/Malone/ mixed 40 and over/8.0 Southwest	L	Poco Locos Southwest
Jana Perpich (3.53)	2-6 6-2 1-0	Craig Abney (3.56) Kirsten Aamodt (3.14)
Match: 3.28		Rating: 3.43

06/20/2023	D3	Mixed 18+ 8.0
Team Schulz Southwest	W	NAZ/Ball/mixed 18&over/8.0 Southwest
Jana Perpich (3.53)	6-4 6-4	Ian van Schilfgaarde (3.93) Riley Larson (3.77)
Match: S		Rating: 3.47

06/13/2023	D3	Mixed 18+ 8.0
Team Schulz Southwest	L	NAZ/Ball/mixed 18&over/8.0 Southwest
Tracy Schweitzer (3.49)	7-6 6-1	Adam Nicol (3.77) Kim Vallen (3.13)
Match: 3.29		Rating: 3.47

Flagstaff Open - Adults
06/11/2023	C-S	Tournament NM4.0d
	L
Keiji Iwai (3.73)	2-6 6-4 1-0	Ian van Schilfgaarde (-----) Ryan Stevens (-----)
Match: S		Rating: -----

Flagstaff Open - Adults
06/11/2023	C-QQ	Tournament NM4.0s
	L
	6-3 6-4	Sean Bryan (-----)
Match: S		Rating: -----

Flagstaff Open - Adults
06/10/2023	16	Tournament NM4.0s
	L
	6-4 6-1	varun harvu (3.56)
Match: S		Rating: -----

Flagstaff Open - Adults
06/10/2023	16	Tournament NM4.0d
	L
Keiji Iwai (3.73)	4-6 6-2 1-0	John Fetherston (-----) Robert Perich (-----)
Match: S		Rating: -----

06/08/2023	D2	Mixed 18+ 8.0
Team Schulz Southwest	L	NAZ/Ball/mixed 18&over/8.0 Southwest
Nancy Harris (3.59)	6-3 6-1	Nick DeBiasse (3.69) Parie Kerr (3.52)
Match: S		Rating: 3.51

04/02/2023	D2	Adult 18+ 4.0
Iwai/Kumasaka Southwest	L	NAZ/Kolody/18&Over/4.0M Southwest
Robert Voytek (3.50)	6-4 6-2	Diego Constante (3.54) Steven Riggs (3.64)
Match: 3.45		Rating: 3.56

03/25/2023	D1	Adult 18+ 4.0
Iwai/Kumasaka Southwest	W	NAZ/Kolody/18&Over/4.0M Southwest
Keiji Iwai (3.72)	6-2 6-1	Diego Constante (3.58) james allen (3.62)
Match: 3.86		Rating: 3.62

03/04/2023	D2	Adult 18+ 4.0
Iwai/Kumasaka Southwest	W	NAZ/Kolody/18&Over/4.0M Southwest
Robert Voytek (3.50)	7-6 6-2	Link Paffenbarger (3.56) james allen (3.62)
Match: S		Rating: 3.56

03/04/2023	D2	Adult 18+ 4.0
Iwai/Kumasaka Southwest	L	NAZ/Kolody/18&Over/4.0M Southwest
rich stephens (3.60)	1-6 6-3 1-0	Daniel Herrick (3.99) james allen (4.07)
Match: S		Rating: 3.56

02/11/2023	D2	Adult 18+ 4.0
Iwai/Kumasaka Southwest	W	NAZ/Kolody/18&Over/4.0M Southwest
Robert Voytek (3.51)	2-6 7-6 1-0	Diego Constante (3.57) Link Paffenbarger (3.59)
Match: 3.55		Rating: 3.56

02/11/2023	D1	Adult 18+ 4.0
Iwai/Kumasaka Southwest	L	NAZ/Kolody/18&Over/4.0M Southwest
Keiji Iwai (3.77)	6-4 4-6 1-0	Craig Abney (3.58) Mark Navarro (3.60)
Match: 3.46		Rating: 3.55

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.