Statistical Analysis and Estimated Tennis Ratings to the 10,000th of a Point
Match History (2019) View Advanced Player Stats
April Hartstein (VALENCIA, CA)
Female 		4.5 A
12/31/2023
Estimated Dynamic Rating 4.2342
5/23/2024
Projected Year End Rating ------
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4.5 Rating Meter
Rating Meter
4.0001 - 4.5000
Recent Match History Current Rating History
2019 Overall Season
League/Level Total
Matches		 Win Loss Tie WPct Total
Sets		 Win Loss WPct Total
Games		 Win Loss WPct Defaults
Mixed 18+ 8.0 1 0 1 0 0.0 3 1 2 33.3 23 12 11 52.2 1
Mixed 18+ 9.0 9 5 4 0 55.6 20 11 9 55.0 170 86 84 50.6 1
Mixed 40+ 8.0 3 2 1 0 66.7 6 4 2 66.7 56 31 25 55.4 0
Mixed 40+ 9.0 4 1 3 0 25.0 10 4 6 40.0 78 40 38 51.3 0
Mixed Other 0.0 4 4 0 0 100.0 9 8 1 88.9 75 49 26 65.3 0
Total 21 12 9 0 57.1 48 28 20 58.3 402 218 184 54.2 2
Match Date League Team Court Partner Opponent(s) W/L Result Match Rating
11/24/2019 Mixed Other SGV-LLW-Fremont Aces-Rebekah Lee-Fremont Park
So California		 D1 David Castillo
(4.36) 		Ambrose Trear
(4.05)
Cara Hofstad
(3.67) 		W 6-2
6-4		 3.88 3.98
11/17/2019 Mixed Other SGV-LLW-Fremont Aces-Rebekah Lee-Fremont Park
So California		 D2 Edmond Avedisian
(3.69) 		Richard Chen
(3.78)
Beverly Martin
(3.59) 		W 6-2
7-5		 4.02 4.01
10/27/2019 Mixed Other SGV-LLW-Fremont Aces-Rebekah Lee-Fremont Park
So California		 D2 Kangsung Yip
(3.96) 		Christyne Burdett
(3.91)
Scott Kim
(3.58) 		W 6-0
5-7
1-0		 3.84 3.88
10/20/2019 Mixed Other SGV-LLW-Fremont Aces-Rebekah Lee-Fremont Park
So California		 D1 David Castillo
(4.44) 		Ambrose Trear
(3.61)
Amy Liang
(4.06) 		W 6-2
6-4		 3.75 3.87
09/29/2019 Mixed 40+
8.0
Sectionals		 SFV LLWS Team Ade Fremont Ade Quingco
So California		 D1 Allan Magpayo
(3.57) 		James Ha
(3.91)
Kathy Zepeda Emerzian
(3.86) 		L 6-0
7-6		 3.84 3.88
08/18/2019 Mixed 40+
9.0		 SGV So Cal Bulldogs/Sa11- CHRIS LEE
So California		 D1 Arman Davtyan
(4.51) 		Kristina Chen
(4.17)
Matt Jester
(4.41) 		L 6-4
1-6
1-0		 4.05 3.92
08/10/2019 Mixed 40+
9.0		 SGV So Cal Bulldogs/Sa11- CHRIS LEE
So California		 D1 David Castillo
(4.40) 		Jerry Waliry
(3.87)
Kristina Chen
(4.20) 		W 6-3
6-2		 4.01 3.91
08/04/2019 Mixed 40+
8.0		 SFV LLWS Team Ade Fremont Ade Quingco
So California		 D1 Kangsung Yip
(3.91) 		Joanne Carlsen
(3.27)
Ian Gocka
(3.75) 		W 6-3
6-1		 3.78 3.86
07/21/2019 Mixed 40+
9.0		 SGV So Cal Bulldogs/Sa11- CHRIS LEE
So California		 D2 David Castillo
(4.35) 		David Luong
(4.24)
Roseann Harris
(4.14) 		L 6-3
6-4		 3.82 3.87
07/20/2019 Mixed 40+
8.0		 SFV LLWS Team Ade Fremont Ade Quingco
So California		 D2 Allan Magpayo
(3.61) 		Dennis Mitchell
(4.00)
Alona Kavinoky
(3.37) 		W 6-2
7-6		 3.94 3.91
07/13/2019 Mixed 40+
9.0		 SGV So Cal Bulldogs/Sa11- CHRIS LEE
So California		 D1 David Castillo
(4.38) 		Tricia Guinto
(3.97)
Jesse Wallis
(4.13) 		L 6-7
6-4
1-0		 3.75 3.87
03/30/2019 Mixed 18+
8.0		 SFV - Ball Stars
So California		 D3 George Rodriguez
(-----) 		Default W 6-0
6-0		 ----- -----
03/29/2019 Mixed 18+
9.0		 LA - Raging Balls
So California		 D1 David Castillo
(-----) 		Default W 6-0
6-0		 ----- -----
03/24/2019 Mixed 18+
9.0		 LA - Raging Balls
So California		 D2 Nilton Neyra
(4.12) 		CHIKA TAYLOR
(4.04)
Zachary Jones
(4.10) 		L 7-5
6-1		 3.76 3.87
03/23/2019 Mixed 18+
9.0		 LA - Raging Balls
So California		 D1 David Castillo
(4.36) 		Michael Lu
(4.27)
Amber Marsden
(4.55) 		W 1-6
6-4
1-0		 4.13 3.95
02/16/2019 Mixed 18+
9.0		 LA - Raging Balls
So California		 D3 David Castillo
(4.31) 		John Aranda
(4.45)
Laura Shirley
(3.75) 		W 6-4
6-3		 4.03 3.91
02/10/2019 Mixed 18+
9.0		 SFV - Couple of Sets
So California		 D1 David Castillo
(4.31) 		Stephen Matuszeski
(4.48)
Jamie Solomon
(4.46) 		L 4-6
6-4
1-0		 S 3.87
02/09/2019 Mixed 18+
9.0		 LA - Raging Balls
So California		 D1 David Castillo
(4.33) 		Michael Lu
(4.23)
Amber Marsden
(4.50) 		L 6-2
6-0		 3.77 3.87
01/26/2019 Mixed 18+
9.0		 LA - Raging Balls
So California		 D3 David Castillo
(4.33) 		Charlton Gillette
(-----)
Iris Cox
(4.01) 		W 7-6
6-0		 S 3.90
01/20/2019 Mixed 18+
9.0		 LA - Raging Balls
So California		 D1 David Castillo
(4.32) 		Shawn Ghatan
(4.06)
Maria Weaver
(3.52) 		W 6-3
6-2		 3.83 3.90
01/20/2019 Mixed 18+
9.0		 SFV - Couple of Sets
So California		 D1 David Castillo
(4.32) 		Eduardo Cedeno
(-----)
Mindy Creamer
(4.17) 		W 7-5
6-2		 S 3.91
01/13/2019 Mixed 18+
8.0		 SFV - Ball Stars
So California		 D1 Archer Nishioka
(-----) 		Miranda Prescott
(4.01)
Jose Guerrero
(3.79) 		L 3-6
7-6
1-0		 S 3.91
01/12/2019 Mixed 18+
9.0		 LA - Raging Balls
So California		 D2 David Castillo
(4.36) 		Bryan Cavalier
(-----)
Jenny Ratkovich
(3.91) 		L 7-6
6-4		 S 3.91
11/24/2019 D1 Mixed Other
SGV-LLW-Fremont Aces-Rebekah Lee-Fremont Park
So California		 W SGV Dare Doubles 4.5-3.5/JR.SF/Su4
So California
David Castillo (4.36) 6-2
6-4		 Ambrose Trear (4.05)
Cara Hofstad (3.67)
Match: 3.88 Rating: 3.98
11/17/2019 D2 Mixed Other
SGV-LLW-Fremont Aces-Rebekah Lee-Fremont Park
So California		 W SGV BBL0-JC.BM/SU1030
So California
Edmond Avedisian (3.69) 6-2
7-5		 Richard Chen (3.78)
Beverly Martin (3.59)
Match: 4.02 Rating: 4.01
10/27/2019 D2 Mixed Other
SGV-LLW-Fremont Aces-Rebekah Lee-Fremont Park
So California		 W SGV So Cal Bulldogs-CHRIS LEE/SUN12
So California
Kangsung Yip (3.96) 6-0
5-7
1-0		 Christyne Burdett (3.91)
Scott Kim (3.58)
Match: 3.84 Rating: 3.88
10/20/2019 D1 Mixed Other
SGV-LLW-Fremont Aces-Rebekah Lee-Fremont Park
So California		 W SGV Dare Doubles 4.5-3.5/JR.SF/Su4
So California
David Castillo (4.44) 6-2
6-4		 Ambrose Trear (3.61)
Amy Liang (4.06)
Match: 3.75 Rating: 3.87
09/29/2019 D1 Mixed 40+
8.0
Sectionals
SFV LLWS Team Ade Fremont Ade Quingco
So California		 L OC Boot Camp - FVTC - Tran - Sat 3
So California
Allan Magpayo (3.57) 6-0
7-6		 James Ha (3.91)
Kathy Zepeda Emerzian (3.86)
Match: 3.84 Rating: 3.88
08/18/2019 D1 Mixed 40+
9.0
SGV So Cal Bulldogs/Sa11- CHRIS LEE
So California		 L SGV-LLWS-Skyline-Chan-Whittier College
So California
Arman Davtyan (4.51) 6-4
1-6
1-0		 Kristina Chen (4.17)
Matt Jester (4.41)
Match: 4.05 Rating: 3.92
08/10/2019 D1 Mixed 40+
9.0
SGV So Cal Bulldogs/Sa11- CHRIS LEE
So California		 W SGV-LLWS-Skyline-Chan-Whittier College
So California
David Castillo (4.40) 6-3
6-2		 Jerry Waliry (3.87)
Kristina Chen (4.20)
Match: 4.01 Rating: 3.91
08/04/2019 D1 Mixed 40+
8.0
SFV LLWS Team Ade Fremont Ade Quingco
So California		 W SFV WC Rockin Racquets
So California
Kangsung Yip (3.91) 6-3
6-1		 Joanne Carlsen (3.27)
Ian Gocka (3.75)
Match: 3.78 Rating: 3.86
07/21/2019 D2 Mixed 40+
9.0
SGV So Cal Bulldogs/Sa11- CHRIS LEE
So California		 L SGV-LLWS-Skyline-Chan-Whittier College
So California
David Castillo (4.35) 6-3
6-4		 David Luong (4.24)
Roseann Harris (4.14)
Match: 3.82 Rating: 3.87
07/20/2019 D2 Mixed 40+
8.0
SFV LLWS Team Ade Fremont Ade Quingco
So California		 W SFV Team Braemar
So California
Allan Magpayo (3.61) 6-2
7-6		 Dennis Mitchell (4.00)
Alona Kavinoky (3.37)
Match: 3.94 Rating: 3.91
07/13/2019 D1 Mixed 40+
9.0
SGV So Cal Bulldogs/Sa11- CHRIS LEE
So California		 L SGV-LLWS-Skyline-Chan-Whittier College
So California
David Castillo (4.38) 6-7
6-4
1-0		 Tricia Guinto (3.97)
Jesse Wallis (4.13)
Match: 3.75 Rating: 3.87
03/30/2019 D3 Mixed 18+
8.0
SFV - Ball Stars
So California		 W SFV - Paseo Smoking Aces
So California
George Rodriguez (-----) 6-0
6-0		 Default
Match: ----- Rating: -----
03/29/2019 D1 Mixed 18+
9.0
LA - Raging Balls
So California		 W LA - Showtime
So California
David Castillo (-----) 6-0
6-0		 Default
Match: ----- Rating: -----
03/24/2019 D2 Mixed 18+
9.0
LA - Raging Balls
So California		 L LA - LLW - Sets On Fire - Cheviot - Halim
So California
Nilton Neyra (4.12) 7-5
6-1		 CHIKA TAYLOR (4.04)
Zachary Jones (4.10)
Match: 3.76 Rating: 3.87
03/23/2019 D1 Mixed 18+
9.0
LA - Raging Balls
So California		 W LA - Casual Sets
So California
David Castillo (4.36) 1-6
6-4
1-0		 Michael Lu (4.27)
Amber Marsden (4.55)
Match: 4.13 Rating: 3.95
02/16/2019 D3 Mixed 18+
9.0
LA - Raging Balls
So California		 W LA - WC - Alchemy
So California
David Castillo (4.31) 6-4
6-3		 John Aranda (4.45)
Laura Shirley (3.75)
Match: 4.03 Rating: 3.91
02/10/2019 D1 Mixed 18+
9.0
SFV - Couple of Sets
So California		 L SFV LLWS- Unmatchables - Gorman
So California
David Castillo (4.31) 4-6
6-4
1-0		 Stephen Matuszeski (4.48)
Jamie Solomon (4.46)
Match: S Rating: 3.87
02/09/2019 D1 Mixed 18+
9.0
LA - Raging Balls
So California		 L LA - Casual Sets
So California
David Castillo (4.33) 6-2
6-0		 Michael Lu (4.23)
Amber Marsden (4.50)
Match: 3.77 Rating: 3.87
01/26/2019 D3 Mixed 18+
9.0
LA - Raging Balls
So California		 W LA - Showtime
So California
David Castillo (4.33) 7-6
6-0		 Charlton Gillette (-----)
Iris Cox (4.01)
Match: S Rating: 3.90
01/20/2019 D1 Mixed 18+
9.0
LA - Raging Balls
So California		 W LA - Riviera
So California
David Castillo (4.32) 6-3
6-2		 Shawn Ghatan (4.06)
Maria Weaver (3.52)
Match: 3.83 Rating: 3.90
01/20/2019 D1 Mixed 18+
9.0
SFV - Couple of Sets
So California		 W SFV -Paseo on the Line
So California
David Castillo (4.32) 7-5
6-2		 Eduardo Cedeno (-----)
Mindy Creamer (4.17)
Match: S Rating: 3.91
01/13/2019 D1 Mixed 18+
8.0
SFV - Ball Stars
So California		 L SFV - Stormers
So California
Archer Nishioka (-----) 3-6
7-6
1-0		 Miranda Prescott (4.01)
Jose Guerrero (3.79)
Match: S Rating: 3.91
01/12/2019 D2 Mixed 18+
9.0
LA - Raging Balls
So California		 L LA - WC - Alchemy
So California
David Castillo (4.36) 7-6
6-4		 Bryan Cavalier (-----)
Jenny Ratkovich (3.91)
Match: S Rating: 3.91
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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