Statistical Analysis and Estimated Tennis Ratings to the 10,000th of a Point
Match History (2023) View Advanced Player Stats
Bart Borosky (Portland, OR)
Male 		4.0 C
12/31/2023
Estimated Dynamic Rating 3.9667
6/14/2024
Projected Year End Rating ------
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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 3 2 1 0 66.7 7 5 2 71.4 47 33 14 70.2 0
Adult 18+ 4.5 2 1 1 0 50.0 4 2 2 50.0 35 21 14 60.0 0
Adult 40+ 4.0 3 3 0 0 100.0 8 6 2 75.0 54 35 19 64.8 0
Adult 40+ 4.5 5 1 4 0 20.0 11 3 8 27.3 97 43 54 44.3 0
Adult Other 4.0 5 2 3 0 40.0 10 4 6 40.0 86 44 42 51.2 0
Mixed 18+ 9.0 2 2 0 0 100.0 4 4 0 100.0 36 25 11 69.4 0
Mixed 40+ 9.0 3 1 2 0 33.3 6 2 4 33.3 50 21 29 42.0 1
Total 23 12 11 0 52.2 50 26 24 52.0 405 222 183 54.8 1
Match Date League Team Court Partner Opponent(s) W/L Result Match Rating
12/03/2023 Mixed 18+
9.0		 PTC-Kowalewski/Affentranger
Pacific NW		 D2 Jennifer Bowman
(4.63) 		Butch Dela Cruz
(3.96)
Angie Morey
(4.21) 		W 6-0
6-1		 4.20 4.05
10/15/2023 Mixed 18+
9.0		 PTC-Kowalewski/Affentranger
Pacific NW		 D3 Jennifer Bowman
(4.94) 		Jesus Javier Ruiz Rojas
(4.84)
kristie leake
(3.70) 		W 6-4
7-6		 3.81 3.90
09/30/2023 Mixed 40+
9.0
Sectionals		 N OR-VTC-Kowalewski
Pacific NW		 D3 Monika Kowalewski
(4.76) 		Michael Costello
(4.69)
Carmen Zlateff
(3.70) 		L 6-1
7-5		 3.58 3.87
09/24/2023 Adult Other
4.0
Sectionals		 N OR-Ogden
Pacific NW		 D1 Damon Ogden
(3.80) 		Son Huynh
(3.94)
Jason Mah
(4.09) 		L 6-2
6-3		 3.86 3.97
09/23/2023 Adult Other
4.0
Sectionals		 N OR-Ogden
Pacific NW		 D1 David Vant Hof
(4.03) 		Blue Barron
(4.00)
Preston Dumas
(3.58) 		L 6-4
7-5		 3.71 3.96
08/12/2023 Adult Other
4.0		 N OR-Ogden
Pacific NW		 D1 John Droege
(4.01) 		Ken Nichols
(3.88)
Juan Gomez Humphrey
(3.98) 		W 6-1
6-3		 4.19 4.05
07/27/2023 Adult Other
4.0		 N OR-Ogden
Pacific NW		 D1 Tom Lux
(4.02) 		Mike Zielinski
(3.76)
Sheng Saechao
(3.94) 		L 7-5
6-1		 3.64 3.96
07/01/2023 Adult Other
4.0		 N OR-Ogden
Pacific NW		 D1 Tom Lux
(4.03) 		Zhitong Chen
(3.79)
Mark Shih
(3.37) 		W 6-0
6-0		 4.05 4.04
06/17/2023 Adult 40+
4.0		 PTC-Greenberg/Collins
Pacific NW		 S1 Shawn Yu
(3.46) 		W 6-0
6-1		 4.00 4.02
05/27/2023 Adult 40+
4.5		 PTC-Borosky
Pacific NW		 D3 Todd DeNeffe
(4.07) 		David Kabaker
(4.00)
Steve Bolstad
(3.99) 		L 6-4
7-6		 3.93 4.00
05/20/2023 Adult 40+
4.5		 PTC-Borosky
Pacific NW		 S1 Joshua Owens
(4.14) 		W 6-2
6-4		 4.33 4.08
05/13/2023 Adult 40+
4.0		 PTC-Greenberg/Collins
Pacific NW		 S1 Brandon Gross
(3.81) 		W 6-4
4-6
1-0		 3.84 3.97
05/07/2023 Adult 40+
4.5		 PTC-Borosky
Pacific NW		 D3 Matthew Condit
(4.07) 		Brian Dehen
(4.14)
Charles Lessmann
(4.08) 		L 3-6
6-2
1-0		 4.02 4.01
04/29/2023 Adult 40+
4.5		 PTC-Borosky
Pacific NW		 D3 Todd DeNeffe
(4.07) 		Mark Simpson
(4.16)
Christopher Haddon
(4.01) 		L 7-6
6-2		 3.93 4.00
04/28/2023 Adult 40+
4.5		 PTC-Borosky
Pacific NW		 S1 Andrew Nilsson
(4.28) 		L 6-1
6-4		 4.03 4.01
04/08/2023 Adult 40+
4.0		 PTC-Greenberg/Collins
Pacific NW		 D1 Juan Gomez Humphrey
(3.98) 		Michael Kazangian
(4.01)
Robert Palena
(-----) 		W 6-1
5-7
1-0		 S 3.99
03/31/2023 Adult 18+
4.0
Flight		 PTC-Greenberg/Collins
Pacific NW		 S2 Jon Monson
(3.96) 		L 6-3
3-6
1-0		 3.93 3.99
03/11/2023 Adult 18+
4.5		 PTC-Borosky
Pacific NW		 D3 Todd DeNeffe
(4.07) 		David Pham
(3.82)
Angel Carmona Murillo
(3.73) 		W 6-0
6-1		 S 4.04
03/05/2023 Adult 18+
4.5		 PTC-Borosky
Pacific NW		 S2 Simon Collis
(4.33) 		L 7-5
6-4		 4.24 4.04
02/26/2023 Adult 18+
4.0		 PTC-Greenberg/Collins
Pacific NW		 S2 Gabriel Newland
(3.48) 		W 6-0
6-3		 3.93 3.98
02/11/2023 Adult 18+
4.0		 PTC-Greenberg/Collins
Pacific NW		 S2 Tim DeWolf
(3.44) 		W 6-0
6-1		 3.99 3.99
02/04/2023 Mixed 40+
9.0		 N OR-VTC-Kowalewski
Pacific NW		 D3 Monika Kowalewski
(4.72) 		Jim Rankin
(4.10)
Carol Woolman
(4.28) 		W 6-1
6-3		 4.08 3.96
01/22/2023 Mixed 40+
9.0		 N OR-VTC-Kowalewski
Pacific NW		 D3 June Wu
(-----) 		Default W 6-0
6-0		 ----- -----
01/20/2023 Mixed 40+
9.0		 N OR-VTC-Kowalewski
Pacific NW		 D1 Monika Kowalewski
(4.75) 		Craig Pearce
(4.67)
Amy Bucher
(4.04) 		L 6-2
6-1		 3.64 3.92
12/03/2023 D2 Mixed 18+
9.0
PTC-Kowalewski/Affentranger
Pacific NW		 W WHRC-Quach
Pacific NW
Jennifer Bowman (4.63) 6-0
6-1		 Butch Dela Cruz (3.96)
Angie Morey (4.21)
Match: 4.20 Rating: 4.05
10/15/2023 D3 Mixed 18+
9.0
PTC-Kowalewski/Affentranger
Pacific NW		 W THPRD-Wu/Rankin
Pacific NW
Jennifer Bowman (4.94) 6-4
7-6		 Jesus Javier Ruiz Rojas (4.84)
kristie leake (3.70)
Match: 3.81 Rating: 3.90
09/30/2023 D3 Mixed 40+
9.0
Sectionals
N OR-VTC-Kowalewski
Pacific NW		 L NWW-TCSP-Czeisler
Pacific NW
Monika Kowalewski (4.76) 6-1
7-5		 Michael Costello (4.69)
Carmen Zlateff (3.70)
Match: 3.58 Rating: 3.87
09/24/2023 D1 Adult Other
4.0
Sectionals
N OR-Ogden
Pacific NW		 L N OR-Wilson
Pacific NW
Damon Ogden (3.80) 6-2
6-3		 Son Huynh (3.94)
Jason Mah (4.09)
Match: 3.86 Rating: 3.97
09/23/2023 D1 Adult Other
4.0
Sectionals
N OR-Ogden
Pacific NW		 L NWW-Barron
Pacific NW
David Vant Hof (4.03) 6-4
7-5		 Blue Barron (4.00)
Preston Dumas (3.58)
Match: 3.71 Rating: 3.96
08/12/2023 D1 Adult Other
4.0
N OR-Ogden
Pacific NW		 W PTC Deuce Crackerjacks
Pacific NW
John Droege (4.01) 6-1
6-3		 Ken Nichols (3.88)
Juan Gomez Humphrey (3.98)
Match: 4.19 Rating: 4.05
07/27/2023 D1 Adult Other
4.0
N OR-Ogden
Pacific NW		 L Deems 4.0
Pacific NW
Tom Lux (4.02) 7-5
6-1		 Mike Zielinski (3.76)
Sheng Saechao (3.94)
Match: 3.64 Rating: 3.96
07/01/2023 D1 Adult Other
4.0
N OR-Ogden
Pacific NW		 W Shih
Pacific NW
Tom Lux (4.03) 6-0
6-0		 Zhitong Chen (3.79)
Mark Shih (3.37)
Match: 4.05 Rating: 4.04
06/17/2023 S1 Adult 40+
4.0
PTC-Greenberg/Collins
Pacific NW		 W SAC-Majmudar/Saxena
Pacific NW
6-0
6-1		 Shawn Yu (3.46)
Match: 4.00 Rating: 4.02
05/27/2023 D3 Adult 40+
4.5
PTC-Borosky
Pacific NW		 L MPRC-Kabaker
Pacific NW
Todd DeNeffe (4.07) 6-4
7-6		 David Kabaker (4.00)
Steve Bolstad (3.99)
Match: 3.93 Rating: 4.00
05/20/2023 S1 Adult 40+
4.5
PTC-Borosky
Pacific NW		 W N OR-UP-Krauel
Pacific NW
6-2
6-4		 Joshua Owens (4.14)
Match: 4.33 Rating: 4.08
05/13/2023 S1 Adult 40+
4.0
PTC-Greenberg/Collins
Pacific NW		 W MPRC-Avenoso/Wong
Pacific NW
6-4
4-6
1-0		 Brandon Gross (3.81)
Match: 3.84 Rating: 3.97
05/07/2023 D3 Adult 40+
4.5
PTC-Borosky
Pacific NW		 L SHC-McCroskey
Pacific NW
Matthew Condit (4.07) 3-6
6-2
1-0		 Brian Dehen (4.14)
Charles Lessmann (4.08)
Match: 4.02 Rating: 4.01
04/29/2023 D3 Adult 40+
4.5
PTC-Borosky
Pacific NW		 L MAC-Austin
Pacific NW
Todd DeNeffe (4.07) 7-6
6-2		 Mark Simpson (4.16)
Christopher Haddon (4.01)
Match: 3.93 Rating: 4.00
04/28/2023 S1 Adult 40+
4.5
PTC-Borosky
Pacific NW		 L N OR-MAC-Nilsson
Pacific NW
6-1
6-4		 Andrew Nilsson (4.28)
Match: 4.03 Rating: 4.01
04/08/2023 D1 Adult 40+
4.0
PTC-Greenberg/Collins
Pacific NW		 W CGM-Wasu
Pacific NW
Juan Gomez Humphrey (3.98) 6-1
5-7
1-0		 Michael Kazangian (4.01)
Robert Palena (-----)
Match: S Rating: 3.99
03/31/2023 S2 Adult 18+
4.0
Flight
PTC-Greenberg/Collins
Pacific NW		 L SHC-Monson
Pacific NW
6-3
3-6
1-0		 Jon Monson (3.96)
Match: 3.93 Rating: 3.99
03/11/2023 D3 Adult 18+
4.5
PTC-Borosky
Pacific NW		 W SJRC-Truong/Bui
Pacific NW
Todd DeNeffe (4.07) 6-0
6-1		 David Pham (3.82)
Angel Carmona Murillo (3.73)
Match: S Rating: 4.04
03/05/2023 S2 Adult 18+
4.5
PTC-Borosky
Pacific NW		 L N OR-CAC-McGarity
Pacific NW
7-5
6-4		 Simon Collis (4.33)
Match: 4.24 Rating: 4.04
02/26/2023 S2 Adult 18+
4.0
PTC-Greenberg/Collins
Pacific NW		 W SJRC-Miller
Pacific NW
6-0
6-3		 Gabriel Newland (3.48)
Match: 3.93 Rating: 3.98
02/11/2023 S2 Adult 18+
4.0
PTC-Greenberg/Collins
Pacific NW		 W SHC-Cobb/Daniels
Pacific NW
6-0
6-1		 Tim DeWolf (3.44)
Match: 3.99 Rating: 3.99
02/04/2023 D3 Mixed 40+
9.0
N OR-VTC-Kowalewski
Pacific NW		 W THPRD-Wu
Pacific NW
Monika Kowalewski (4.72) 6-1
6-3		 Jim Rankin (4.10)
Carol Woolman (4.28)
Match: 4.08 Rating: 3.96
01/22/2023 D3 Mixed 40+
9.0
N OR-VTC-Kowalewski
Pacific NW		 W CGM-Rushall
Pacific NW
June Wu (-----) 6-0
6-0		 Default
Match: ----- Rating: -----
01/20/2023 D1 Mixed 40+
9.0
N OR-VTC-Kowalewski
Pacific NW		 L N OR-VTC-Schweitz
Pacific NW
Monika Kowalewski (4.75) 6-2
6-1		 Craig Pearce (4.67)
Amy Bucher (4.04)
Match: 3.64 Rating: 3.92
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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