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Statistical Analysis and Estimated Tennis Ratings to the 10,000th of a Point

Match History (Recent)

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Jan Vinkesteijn (Chandler, AZ) Male	4.5 C 12/31/2023
Estimated Dynamic Rating	4.2098 5/9/2024
Projected Year End Rating	------ ----------

4.5 Rating Meter

4.0001 - 4.5000

Recent Match History Current Rating History

4.5 Rating Meter

Recent Match History
Current Rating Season

Recent History

League/Level	Total Matches	Win	Loss	Tie	WPct	Total Sets	Win	Loss	WPct	Total Games	Win	Loss	WPct	Defaults
Adult 40+ 4.5	8	5	3	0	62.5	18	11	7	61.1	158	81	77	51.3	0
Total	8	5	3	0	62.5	18	11	7	61.1	158	81	77	51.3	0

Match Date	League	Team	Court	Partner	Opponent(s)	W/L	Result	Match	Rating
12/05/2023	Adult 40+ 4.5	4.5 OCO Kim M40F Southwest	D1	Christopher De Rosa (4.53)	Cort Alcott (4.41) Robert Keil (3.94)	W	6-2 7-5	4.20	4.21
11/28/2023	Adult 40+ 4.5	4.5 OCO Kim M40F Southwest	D2	Brendan McFarlan (4.22)	Eric Engstrom (4.22) Todd Sutton (4.50)	W	7-5 7-6	4.40	4.24
11/26/2023	Adult 40+ 4.5	4.5 OCO Kim M40F Southwest	S1		Shane Bullock (4.20)	L	6-4 6-3	4.05	4.18
11/21/2023	Adult 40+ 4.5	4.5 OCO Kim M40F Southwest	D1	Ryan Muller (3.75)	Scott Andersen (4.34) Peter Gladkin (4.26)	L	6-2 6-2	4.24	4.21
11/14/2023	Adult 40+ 4.5	4.5 OCO Kim M40F Southwest	D1	Christopher De Rosa (4.50)	Joel Robison (4.36) Eric Engstrom (4.24)	W	6-3 6-4	4.28	4.20
11/07/2023	Adult 40+ 4.5	4.5 OCO Kim M40F Southwest	D1	Taylor Kim (4.34)	Peter Gladkin (4.23) Da-Loc Nguyen (4.29)	L	5-7 6-1 1-0	4.11	4.21
10/29/2023	Tournament NM4.5d	Porsche Chandler Octoberfest	F	Chris Derosa (-----)	Harold Dilema (4.03) Tim Uzzanti (4.22)	W	6-4 4-6 1-0	S	-----
10/28/2023	Tournament NM4.5d	Porsche Chandler Octoberfest	S	Chris Derosa (-----)	Steven Etchells (-----) Ryan Muller (-----)	W	6-2 6-0	S	-----
10/27/2023	Tournament NM5.0d	Porsche Chandler Octoberfest	Q	Steven Etchells (-----)	Ryan Muller (-----) Brendan McFarlan (4.22)	L	4-6 7-5 1-0	S	-----
10/27/2023	Tournament NM5.0s	Porsche Chandler Octoberfest	Q		Robert Lanier (4.52)	L	6-0 6-1	S	-----
10/24/2023	Adult 40+ 4.5	4.5 OCO Kim M40F Southwest	D1	Christopher De Rosa (4.37)	Da-Loc Nguyen (4.25) Ryu Iwai (4.20)	W	4-6 6-3 1-0	4.24	4.24
10/17/2023	Adult 40+ 4.5	4.5 OCO Kim M40F Southwest	D1	Christopher De Rosa (4.31)	Todd Sutton (4.37) Da-Loc Nguyen (4.28)	W	6-3 6-4	4.40	4.30
09/14/2023	Tournament M50s	USTA Southwest Clay Court Championships	S		Robert Bull (-----)	L	6-1 6-1	S	-----
09/13/2023	Tournament M50s	USTA Southwest Clay Court Championships	Q		Bob Brinker (-----)	W	6-3 6-1	S	-----
05/31/2023	Tournament M50d	Desert Highlands Grass Court Classic	Q	Josh Bates (-----)	Craig Abney (3.70) Derek Seibert (3.97)	L	3-6 7-5 1-0	S	-----

12/05/2023	D1	Adult 40+ 4.5
4.5 OCO Kim M40F Southwest	W	PHX Johnson 40&O/Men's/4.5 Southwest
Christopher De Rosa (4.53)	6-2 7-5	Cort Alcott (4.41) Robert Keil (3.94)
Match: 4.20		Rating: 4.21

11/28/2023	D2	Adult 40+ 4.5
4.5 OCO Kim M40F Southwest	W	PHX Johnson 40&O/Men's/4.5 Southwest
Brendan McFarlan (4.22)	7-5 7-6	Eric Engstrom (4.22) Todd Sutton (4.50)
Match: 4.40		Rating: 4.24

11/26/2023	S1	Adult 40+ 4.5
4.5 OCO Kim M40F Southwest	L	PHX Johnson 40&O/Men's/4.5 Southwest
	6-4 6-3	Shane Bullock (4.20)
Match: 4.05		Rating: 4.18

11/21/2023	D1	Adult 40+ 4.5
4.5 OCO Kim M40F Southwest	L	PHX Johnson 40&O/Men's/4.5 Southwest
Ryan Muller (3.75)	6-2 6-2	Scott Andersen (4.34) Peter Gladkin (4.26)
Match: 4.24		Rating: 4.21

11/14/2023	D1	Adult 40+ 4.5
4.5 OCO Kim M40F Southwest	W	PHX Johnson 40&O/Men's/4.5 Southwest
Christopher De Rosa (4.50)	6-3 6-4	Joel Robison (4.36) Eric Engstrom (4.24)
Match: 4.28		Rating: 4.20

11/07/2023	D1	Adult 40+ 4.5
4.5 OCO Kim M40F Southwest	L	PHX Johnson 40&O/Men's/4.5 Southwest
Taylor Kim (4.34)	5-7 6-1 1-0	Peter Gladkin (4.23) Da-Loc Nguyen (4.29)
Match: 4.11		Rating: 4.21

Porsche Chandler Octoberfest
10/29/2023	F	Tournament NM4.5d
	W
Chris Derosa (-----)	6-4 4-6 1-0	Harold Dilema (4.03) Tim Uzzanti (4.22)
Match: S		Rating: -----

Porsche Chandler Octoberfest
10/28/2023	S	Tournament NM4.5d
	W
Chris Derosa (-----)	6-2 6-0	Steven Etchells (-----) Ryan Muller (-----)
Match: S		Rating: -----

Porsche Chandler Octoberfest
10/27/2023	Q	Tournament NM5.0d
	L
Steven Etchells (-----)	4-6 7-5 1-0	Ryan Muller (-----) Brendan McFarlan (4.22)
Match: S		Rating: -----

Porsche Chandler Octoberfest
10/27/2023	Q	Tournament NM5.0s
	L
	6-0 6-1	Robert Lanier (4.52)
Match: S		Rating: -----

10/24/2023	D1	Adult 40+ 4.5
4.5 OCO Kim M40F Southwest	W	PHX Johnson 40&O/Men's/4.5 Southwest
Christopher De Rosa (4.37)	4-6 6-3 1-0	Da-Loc Nguyen (4.25) Ryu Iwai (4.20)
Match: 4.24		Rating: 4.24

10/17/2023	D1	Adult 40+ 4.5
4.5 OCO Kim M40F Southwest	W	PHX Johnson 40&O/Men's/4.5 Southwest
Christopher De Rosa (4.31)	6-3 6-4	Todd Sutton (4.37) Da-Loc Nguyen (4.28)
Match: 4.40		Rating: 4.30

USTA Southwest Clay Court Championships
09/14/2023	S	Tournament M50s
	L
	6-1 6-1	Robert Bull (-----)
Match: S		Rating: -----

USTA Southwest Clay Court Championships
09/13/2023	Q	Tournament M50s
	W
	6-3 6-1	Bob Brinker (-----)
Match: S		Rating: -----

Desert Highlands Grass Court Classic
05/31/2023	Q	Tournament M50d
	L
Josh Bates (-----)	3-6 7-5 1-0	Craig Abney (3.70) Derek Seibert (3.97)
Match: S		Rating: -----

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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