Statistical Analysis and Estimated Tennis Ratings to the 10,000th of a Point
Match History (Rating) View Advanced Player Stats
Koby Bonta (Towson, MD)
Male 		4.5 C
12/31/2023
Estimated Dynamic Rating 4.3902
5/9/2024
Projected Year End Rating ------
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4.5 Rating Meter
Rating Meter
4.0001 - 4.5000
Recent Match History Current Rating History
Current Rating Season
League/Level Total
Matches		 Win Loss Tie WPct Total
Sets		 Win Loss WPct Total
Games		 Win Loss WPct Defaults
Adult 18+ 4.5 8 7 1 0 87.5 16 13 3 81.3 162 96 66 59.3 0
Mixed 18+ 8.0 3 2 1 0 66.7 8 5 3 62.5 54 32 22 59.3 0
Mixed 18+ 9.0 11 5 6 0 45.5 24 11 13 45.8 205 94 111 45.9 0
Tri-Level 18+ 4.5 4 4 0 0 100.0 9 8 1 88.9 67 48 19 71.6 0
Total 26 18 8 0 69.2 57 37 20 64.9 488 270 218 55.3 0
Match Date League Team Court Partner Opponent(s) W/L Result Match Rating
04/24/2024 Adult 18+
4.5		 Cha 4.5 18+ Hoco
Mid-Atlantic		 S2 Hector Barrera
(4.30) 		L 7-6
3-3		 4.27 4.39
04/24/2024 Adult 18+
4.5		 Cha 4.5 18+ Hoco
Mid-Atlantic		 D1 Ian Hansen
(4.41) 		Douglas Hamilton
(4.10)
Matt Galosky
(4.20) 		W 6-2
6-4		 4.33 4.40
04/17/2024 Adult 18+
4.5		 Cha 4.5 18+ Hoco
Mid-Atlantic		 S1 William Nsoesie
(-----) 		W 7-5
3-4		 S 4.39
04/09/2024 Adult 18+
4.5		 Cha 4.5 18+ Hoco
Mid-Atlantic		 S1 Kyle Feeley
(4.01) 		W 6-2
7-5		 4.22 4.39
04/07/2024 Mixed 18+
9.0		 HocoCha 9.0
Mid-Atlantic		 D3 Anita Pasumarthy
(4.03) 		Jessica Lee
(3.99)
Hayan Marouf
(5.00) 		L 6-2
6-3		 4.47 4.44
03/30/2024 Adult 18+
4.5		 BMoreCha 4.5
Mid-Atlantic		 S2 Gregory Selby
(4.52) 		W 6-1
7-6		 4.69 4.47
03/29/2024 Mixed 18+
9.0		 HocoCha 9.0
Mid-Atlantic		 D3 Maureen Kolb
(4.20) 		Margie Davis
(4.46)
Jonathan Vissering
(4.41) 		W 7-6
4-6
1-0		 4.54 4.46
03/19/2024 Mixed 18+
9.0		 Double the Fun
Mid-Atlantic		 D3 Simone Feldman
(4.17) 		Jonathan Vissering
(4.40)
Eve Helmer
(4.53) 		L 6-1
6-4		 4.34 4.42
03/07/2024 Tri-Level 18+
4.5
Nationals		 MidAtlantic/Cha/Tri-Level4.5-3.5M
Mid-Atlantic		 D145 Austin Blake
(4.68) 		Corey Graf
(4.14)
Charles King
(4.49) 		W 6-4
6-1		 4.41 4.39
03/03/2024 Mixed 18+
9.0		 BMoreCha 9.0
Mid-Atlantic		 D1 Jean Lim
(4.14) 		David Trang
(3.95)
Kaitlyn Heo
(4.53) 		L 6-3
6-4		 4.26 4.41
03/01/2024 Adult 18+
4.5		 BMoreCha 4.5
Mid-Atlantic		 D2 Samuel Sheats
(4.32) 		Sean Der
(4.17)
KHOURY ZIAD
(4.12) 		W 6-4
6-3		 4.34 4.39
02/25/2024 Mixed 18+
9.0		 BMoreCha 9.0
Mid-Atlantic		 D1 Carol Besse
(4.13) 		DONALD CRAWLEY
(3.97)
Kaitlyn Heo
(4.52) 		W 6-3
6-2		 4.64 4.47
02/24/2024 Mixed 18+
9.0		 HocoCha 9.0
Mid-Atlantic		 D2 Maureen Kolb
(4.19) 		Margie Davis
(4.40)
Vijay Golla
(4.20) 		W 7-6
7-5		 4.47 4.42
02/20/2024 Mixed 18+
9.0		 Double the Fun
Mid-Atlantic		 D3 Simone Feldman
(4.19) 		Hayan Marouf
(4.78)
Jessica Lee
(3.96) 		L 4-6
6-2
1-0		 4.41 4.41
02/18/2024 Adult 18+
4.5		 BMoreCha 4.5
Mid-Atlantic		 D3 Henry Cha
(4.04) 		Hector Barrera
(4.30)
KHOURY ZIAD
(4.08) 		W 6-4
7-5		 4.44 4.41
02/17/2024 Mixed 18+
9.0		 HocoCha 9.0
Mid-Atlantic		 D1 Jean Lim
(4.16) 		Nathan Leslie
(4.19)
Ellen Berlinghof
(4.42) 		W 6-2
6-4		 4.61 4.44
02/16/2024 Mixed 18+
8.0		 HocoCha 8.0
Mid-Atlantic		 D1 Jennie Kim
(3.45) 		Lukas Sanidas
(4.30)
Sarah Speirs
(3.48) 		L 6-4
3-6
1-0		 4.38 4.37
02/10/2024 Mixed 18+
9.0		 HocoCha 9.0
Mid-Atlantic		 D1 Sarah Monsheimer
(4.18) 		Renaldo Savady
(3.95)
Angel Batkins
(4.72) 		W 6-4
6-2		 4.61 4.42
01/28/2024 Adult 18+
4.5		 BMoreCha 4.5
Mid-Atlantic		 D2 JJ Bonta
(4.22) 		Dat Doan
(3.98)
Sean Der
(4.12) 		W 7-6
7-5		 4.23 4.36
01/26/2024 Mixed 18+
8.0		 HocoCha 8.0
Mid-Atlantic		 D3 Jennie Kim
(3.47) 		Lolita Kachay
(4.16)
Christopher Grant
(3.45) 		W 6-2
3-6
1-0		 4.30 4.34
01/24/2024 Mixed 18+
9.0		 Double the Fun
Mid-Atlantic		 D3 Kara Stevenson
(4.20) 		Erin Green
(4.00)
John Mook
(5.00) 		L 6-0
6-2		 4.22 4.34
01/20/2024 Tri-Level 18+
4.5
Sectionals		 MidAtlantic/Cha/Tri-Level4.5-3.5M
Mid-Atlantic		 D145 Austin Blake
(4.65) 		Doug Bond
(4.48)
Todd Williams
(4.53) 		W 6-2
6-0		 4.75 4.45
01/20/2024 Tri-Level 18+
4.5
Sectionals		 MidAtlantic/Cha/Tri-Level4.5-3.5M
Mid-Atlantic		 D145 Austin Blake
(4.57) 		Nicholas McMurray
(4.58)
Chris Downs
(4.18) 		W 6-2
6-0		 4.63 4.39
01/19/2024 Tri-Level 18+
4.5
Sectionals		 MidAtlantic/Cha/Tri-Level4.5-3.5M
Mid-Atlantic		 D145 Anthony Hamod
(4.44) 		Chris Ryan
(4.20)
Laith Layous
(4.37) 		W 5-7
6-3
1-0		 4.27 4.30
01/13/2024 Mixed 18+
8.0		 HocoCha 8.0
Mid-Atlantic		 D1 Jennie Kim
(3.37) 		Christy Sloan
(3.92)
Jay Anzures
(3.98) 		W 6-1
6-3		 4.71 4.40
01/06/2024 Mixed 18+
9.0		 HocoCha 9.0
Mid-Atlantic		 D2 Nita Elie
(4.07) 		DONALD CRAWLEY
(3.97)
Heather Herman
(4.76) 		L 6-3
6-2		 4.24 4.30
04/24/2024 S2 Adult 18+
4.5
Cha 4.5 18+ Hoco
Mid-Atlantic		 L KG 4.5
Mid-Atlantic
7-6
3-3		 Hector Barrera (4.30)
Match: 4.27 Rating: 4.39
04/24/2024 D1 Adult 18+
4.5
Cha 4.5 18+ Hoco
Mid-Atlantic		 W Copsey 4.5
Mid-Atlantic
Ian Hansen (4.41) 6-2
6-4		 Douglas Hamilton (4.10)
Matt Galosky (4.20)
Match: 4.33 Rating: 4.40
04/17/2024 S1 Adult 18+
4.5
Cha 4.5 18+ Hoco
Mid-Atlantic		 W Wackos
Mid-Atlantic
7-5
3-4		 William Nsoesie (-----)
Match: S Rating: 4.39
04/09/2024 S1 Adult 18+
4.5
Cha 4.5 18+ Hoco
Mid-Atlantic		 W Hoco Underdogs
Mid-Atlantic
6-2
7-5		 Kyle Feeley (4.01)
Match: 4.22 Rating: 4.39
04/07/2024 D3 Mixed 18+
9.0
HocoCha 9.0
Mid-Atlantic		 L Vissering
Mid-Atlantic
Anita Pasumarthy (4.03) 6-2
6-3		 Jessica Lee (3.99)
Hayan Marouf (5.00)
Match: 4.47 Rating: 4.44
03/30/2024 S2 Adult 18+
4.5
BMoreCha 4.5
Mid-Atlantic		 W Matchpoint Misfits
Mid-Atlantic
6-1
7-6		 Gregory Selby (4.52)
Match: 4.69 Rating: 4.47
03/29/2024 D3 Mixed 18+
9.0
HocoCha 9.0
Mid-Atlantic		 W Vissering
Mid-Atlantic
Maureen Kolb (4.20) 7-6
4-6
1-0		 Margie Davis (4.46)
Jonathan Vissering (4.41)
Match: 4.54 Rating: 4.46
03/19/2024 D3 Mixed 18+
9.0
Double the Fun
Mid-Atlantic		 L Lee 9.0X
Mid-Atlantic
Simone Feldman (4.17) 6-1
6-4		 Jonathan Vissering (4.40)
Eve Helmer (4.53)
Match: 4.34 Rating: 4.42
03/07/2024 D145 Tri-Level 18+
4.5
Nationals
MidAtlantic/Cha/Tri-Level4.5-3.5M
Mid-Atlantic		 W Florida/Graf/TriLevel4.5/4.0/3.5M
Florida
Austin Blake (4.68) 6-4
6-1		 Corey Graf (4.14)
Charles King (4.49)
Match: 4.41 Rating: 4.39
03/03/2024 D1 Mixed 18+
9.0
BMoreCha 9.0
Mid-Atlantic		 L ONLY FANS
Mid-Atlantic
Jean Lim (4.14) 6-3
6-4		 David Trang (3.95)
Kaitlyn Heo (4.53)
Match: 4.26 Rating: 4.41
03/01/2024 D2 Adult 18+
4.5
BMoreCha 4.5
Mid-Atlantic		 W Matchpoint Misfits
Mid-Atlantic
Samuel Sheats (4.32) 6-4
6-3		 Sean Der (4.17)
KHOURY ZIAD (4.12)
Match: 4.34 Rating: 4.39
02/25/2024 D1 Mixed 18+
9.0
BMoreCha 9.0
Mid-Atlantic		 W ONLY FANS
Mid-Atlantic
Carol Besse (4.13) 6-3
6-2		 DONALD CRAWLEY (3.97)
Kaitlyn Heo (4.52)
Match: 4.64 Rating: 4.47
02/24/2024 D2 Mixed 18+
9.0
HocoCha 9.0
Mid-Atlantic		 W Vissering
Mid-Atlantic
Maureen Kolb (4.19) 7-6
7-5		 Margie Davis (4.40)
Vijay Golla (4.20)
Match: 4.47 Rating: 4.42
02/20/2024 D3 Mixed 18+
9.0
Double the Fun
Mid-Atlantic		 L Lee 9.0X
Mid-Atlantic
Simone Feldman (4.19) 4-6
6-2
1-0		 Hayan Marouf (4.78)
Jessica Lee (3.96)
Match: 4.41 Rating: 4.41
02/18/2024 D3 Adult 18+
4.5
BMoreCha 4.5
Mid-Atlantic		 W Matchpoint Misfits
Mid-Atlantic
Henry Cha (4.04) 6-4
7-5		 Hector Barrera (4.30)
KHOURY ZIAD (4.08)
Match: 4.44 Rating: 4.41
02/17/2024 D1 Mixed 18+
9.0
HocoCha 9.0
Mid-Atlantic		 W Vissering
Mid-Atlantic
Jean Lim (4.16) 6-2
6-4		 Nathan Leslie (4.19)
Ellen Berlinghof (4.42)
Match: 4.61 Rating: 4.44
02/16/2024 D1 Mixed 18+
8.0
HocoCha 8.0
Mid-Atlantic		 L HoCoLee 8.0
Mid-Atlantic
Jennie Kim (3.45) 6-4
3-6
1-0		 Lukas Sanidas (4.30)
Sarah Speirs (3.48)
Match: 4.38 Rating: 4.37
02/10/2024 D1 Mixed 18+
9.0
HocoCha 9.0
Mid-Atlantic		 W Vissering
Mid-Atlantic
Sarah Monsheimer (4.18) 6-4
6-2		 Renaldo Savady (3.95)
Angel Batkins (4.72)
Match: 4.61 Rating: 4.42
01/28/2024 D2 Adult 18+
4.5
BMoreCha 4.5
Mid-Atlantic		 W Matchpoint Misfits
Mid-Atlantic
JJ Bonta (4.22) 7-6
7-5		 Dat Doan (3.98)
Sean Der (4.12)
Match: 4.23 Rating: 4.36
01/26/2024 D3 Mixed 18+
8.0
HocoCha 8.0
Mid-Atlantic		 W HoCoLee 8.0
Mid-Atlantic
Jennie Kim (3.47) 6-2
3-6
1-0		 Lolita Kachay (4.16)
Christopher Grant (3.45)
Match: 4.30 Rating: 4.34
01/24/2024 D3 Mixed 18+
9.0
Double the Fun
Mid-Atlantic		 L Lee 9.0X
Mid-Atlantic
Kara Stevenson (4.20) 6-0
6-2		 Erin Green (4.00)
John Mook (5.00)
Match: 4.22 Rating: 4.34
01/20/2024 D145 Tri-Level 18+
4.5
Sectionals
MidAtlantic/Cha/Tri-Level4.5-3.5M
Mid-Atlantic		 W Magnolia Green Sebetic / Gruhl
Mid-Atlantic
Austin Blake (4.65) 6-2
6-0		 Doug Bond (4.48)
Todd Williams (4.53)
Match: 4.75 Rating: 4.45
01/20/2024 D145 Tri-Level 18+
4.5
Sectionals
MidAtlantic/Cha/Tri-Level4.5-3.5M
Mid-Atlantic		 W Team 8 Nova Aces
Mid-Atlantic
Austin Blake (4.57) 6-2
6-0		 Nicholas McMurray (4.58)
Chris Downs (4.18)
Match: 4.63 Rating: 4.39
01/19/2024 D145 Tri-Level 18+
4.5
Sectionals
MidAtlantic/Cha/Tri-Level4.5-3.5M
Mid-Atlantic		 W High Rollers 2.0
Mid-Atlantic
Anthony Hamod (4.44) 5-7
6-3
1-0		 Chris Ryan (4.20)
Laith Layous (4.37)
Match: 4.27 Rating: 4.30
01/13/2024 D1 Mixed 18+
8.0
HocoCha 8.0
Mid-Atlantic		 W Peeps
Mid-Atlantic
Jennie Kim (3.37) 6-1
6-3		 Christy Sloan (3.92)
Jay Anzures (3.98)
Match: 4.71 Rating: 4.40
01/06/2024 D2 Mixed 18+
9.0
HocoCha 9.0
Mid-Atlantic		 L Crawley HoCo 9.0
Mid-Atlantic
Nita Elie (4.07) 6-3
6-2		 DONALD CRAWLEY (3.97)
Heather Herman (4.76)
Match: 4.24 Rating: 4.30
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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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