Statistical Analysis and Estimated Tennis Ratings to the 10,000th of a Point
Match History (Recent) View Advanced Player Stats
Donald Brenneman (Portland, OR)
Male 		4.0 C
12/31/2024
Estimated Dynamic Rating 3.6784
2/12/2025
Projected Year End Rating ------
----------
4.0 Rating Meter
Rating Meter
3.5001 - 4.0000
Recent Match History Current Rating History
Recent History
League/Level Total
Matches		 Win Loss Tie WPct Total
Sets		 Win Loss WPct Total
Games		 Win Loss WPct Defaults
Adult 18+ 4.0 2 0 2 0 0.0 5 1 4 20.0 40 16 24 40.0 0
Adult 55+ 8.0 2 1 1 0 50.0 5 2 3 40.0 38 17 21 44.7 0
Adult 65+ 8.0 10 5 5 0 50.0 24 12 12 50.0 170 87 83 51.2 0
Total 14 6 8 0 42.9 34 15 19 44.1 248 120 128 48.4 0
Match Date League Team Court Partner Opponent(s) W/L Result Match Rating
11/23/2024 Adult 55+
8.0		 MAC-Turnbull/Hergenhan
Pacific NW		 D3 Ben Jacobson
(3.60) 		Shung Shin
(3.79)
Dean Gaylor
(3.50) 		W 6-2
4-6
1-0		 3.76 3.68
11/10/2024 Adult 55+
8.0		 MAC-Turnbull/Hergenhan
Pacific NW		 D3 Patrick Herbst
(3.87) 		Jae Joon Kang
(3.85)
Richard Jackson
(3.97) 		L 7-5
6-1		 3.62 3.68
09/14/2024 Adult 65+
8.0
Sectionals		 N OR-MAC-Helmer
Pacific NW		 D1 Jeffrey Krum
(3.66) 		Mick Horton
(4.21)
Paul Lorring
(3.50) 		W 3-6
7-5
1-0		 3.88 3.73
09/13/2024 Adult 65+
8.0
Sectionals		 N OR-MAC-Helmer
Pacific NW		 D1 Jeffrey Krum
(3.65) 		Floyd Grant
(3.66)
Robert Fowler
(4.11) 		L 4-6
6-4
1-0		 3.85 3.71
09/12/2024 Adult 65+
8.0
Sectionals		 N OR-MAC-Helmer
Pacific NW		 D2 Alan Shiffer
(3.54) 		Wally Morrison
(3.90)
Jeff Brantner
(3.90) 		L 6-1
6-1		 3.60 3.62
05/23/2024 Adult 65+
8.0		 N OR-MAC-Helmer
Pacific NW		 D2 Alan Shiffer
(3.54) 		David Koch
(3.11)
Truc Ly
(3.31) 		W 6-1
6-0		 S 3.71
05/16/2024 Adult 65+
8.0		 N OR-MAC-Helmer
Pacific NW		 D3 Tim Leatherman
(3.45) 		Neil Soiffer
(3.72)
Len Morales
(3.41) 		W 6-1
6-0		 4.10 3.71
05/09/2024 Adult 65+
8.0		 N OR-MAC-Helmer
Pacific NW		 D1 William Campbell
(3.53) 		Bill Lowblad
(3.50)
David Edwards
(4.37) 		L 3-6
6-4
1-0		 3.94 3.64
05/02/2024 Adult 65+
8.0		 N OR-MAC-Helmer
Pacific NW		 D1 Jeffrey Krum
(3.57) 		Floyd Grant
(3.59)
Robert Fowler
(4.00) 		L 6-1
6-0		 3.36 3.53
04/18/2024 Adult 65+
8.0		 N OR-MAC-Helmer
Pacific NW		 D1 Jeffrey Krum
(3.61) 		Neil Soiffer
(3.67)
David Seideman
(3.66) 		W 7-6
3-6
1-0		 3.64 3.57
04/04/2024 Adult 65+
8.0		 N OR-MAC-Helmer
Pacific NW		 D3 Jeffrey Krum
(3.54) 		Frank Foti
(3.34)
Tom Stacy
(3.52) 		W 6-0
6-1		 3.86 3.60
03/31/2024 Adult 18+
4.0		 MAC-Johnson/Luong
Pacific NW		 D2 Joe Conyard
(3.59) 		BON UNG
(3.91)
Kevin Hughes
(3.96) 		L 6-3
6-1		 3.61 3.54
03/30/2024 Adult 18+
4.0		 MAC-Johnson/Luong
Pacific NW		 D2 Jonathan Barg
(3.47) 		John Crouter
(3.49)
Alan Jones
(3.45) 		L 4-6
7-6
1-0		 3.49 3.51
03/15/2024 Adult 65+
8.0		 N OR-MAC-Helmer
Pacific NW		 D1 Jeffrey Krum
(3.54) 		David Edwards
(-----)
Larry Kaster
(3.14) 		L 6-3
6-3		 S 3.51
11/23/2024 D3 Adult 55+
8.0
MAC-Turnbull/Hergenhan
Pacific NW		 W VTC-Rivera-Giusti/Gaylor
Pacific NW
Ben Jacobson (3.60) 6-2
4-6
1-0		 Shung Shin (3.79)
Dean Gaylor (3.50)
Match: 3.76 Rating: 3.68
11/10/2024 D3 Adult 55+
8.0
MAC-Turnbull/Hergenhan
Pacific NW		 L N OR-SHC-Farrell
Pacific NW
Patrick Herbst (3.87) 7-5
6-1		 Jae Joon Kang (3.85)
Richard Jackson (3.97)
Match: 3.62 Rating: 3.68
09/14/2024 D1 Adult 65+
8.0
Sectionals
N OR-MAC-Helmer
Pacific NW		 W NWW-HBSQ-Coghlan
Pacific NW
Jeffrey Krum (3.66) 3-6
7-5
1-0		 Mick Horton (4.21)
Paul Lorring (3.50)
Match: 3.88 Rating: 3.73
09/13/2024 D1 Adult 65+
8.0
Sectionals
N OR-MAC-Helmer
Pacific NW		 L N OR-THPRD-Cooley
Pacific NW
Jeffrey Krum (3.65) 4-6
6-4
1-0		 Floyd Grant (3.66)
Robert Fowler (4.11)
Match: 3.85 Rating: 3.71
09/12/2024 D2 Adult 65+
8.0
Sectionals
N OR-MAC-Helmer
Pacific NW		 L EW-YTC-Lozano
Pacific NW
Alan Shiffer (3.54) 6-1
6-1		 Wally Morrison (3.90)
Jeff Brantner (3.90)
Match: 3.60 Rating: 3.62
05/23/2024 D2 Adult 65+
8.0
N OR-MAC-Helmer
Pacific NW		 W CAC-Morales
Pacific NW
Alan Shiffer (3.54) 6-1
6-0		 David Koch (3.11)
Truc Ly (3.31)
Match: S Rating: 3.71
05/16/2024 D3 Adult 65+
8.0
N OR-MAC-Helmer
Pacific NW		 W CAC-Morales
Pacific NW
Tim Leatherman (3.45) 6-1
6-0		 Neil Soiffer (3.72)
Len Morales (3.41)
Match: 4.10 Rating: 3.71
05/09/2024 D1 Adult 65+
8.0
N OR-MAC-Helmer
Pacific NW		 L N OR-WHRC-Lave
Pacific NW
William Campbell (3.53) 3-6
6-4
1-0		 Bill Lowblad (3.50)
David Edwards (4.37)
Match: 3.94 Rating: 3.64
05/02/2024 D1 Adult 65+
8.0
N OR-MAC-Helmer
Pacific NW		 L N OR-THPRD-Cooley
Pacific NW
Jeffrey Krum (3.57) 6-1
6-0		 Floyd Grant (3.59)
Robert Fowler (4.00)
Match: 3.36 Rating: 3.53
04/18/2024 D1 Adult 65+
8.0
N OR-MAC-Helmer
Pacific NW		 W CAC-Morales
Pacific NW
Jeffrey Krum (3.61) 7-6
3-6
1-0		 Neil Soiffer (3.67)
David Seideman (3.66)
Match: 3.64 Rating: 3.57
04/04/2024 D3 Adult 65+
8.0
N OR-MAC-Helmer
Pacific NW		 W N OR-WHRC-Lave
Pacific NW
Jeffrey Krum (3.54) 6-0
6-1		 Frank Foti (3.34)
Tom Stacy (3.52)
Match: 3.86 Rating: 3.60
03/31/2024 D2 Adult 18+
4.0
MAC-Johnson/Luong
Pacific NW		 L LOTC-Jarvis/Cavelti
Pacific NW
Joe Conyard (3.59) 6-3
6-1		 BON UNG (3.91)
Kevin Hughes (3.96)
Match: 3.61 Rating: 3.54
03/30/2024 D2 Adult 18+
4.0
MAC-Johnson/Luong
Pacific NW		 L VTC-Won
Pacific NW
Jonathan Barg (3.47) 4-6
7-6
1-0		 John Crouter (3.49)
Alan Jones (3.45)
Match: 3.49 Rating: 3.51
03/15/2024 D1 Adult 65+
8.0
N OR-MAC-Helmer
Pacific NW		 L N OR-WHRC-Lave
Pacific NW
Jeffrey Krum (3.54) 6-3
6-3		 David Edwards (-----)
Larry Kaster (3.14)
Match: S Rating: 3.51
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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