Statistical Analysis and Estimated Tennis Ratings to the 10,000th of a Point
Match History (2021) View Advanced Player Stats
Brian Jacobsen (Hopkins, MN)
Male 		4.5 C
12/31/2021
Estimated Dynamic Rating 4.0100
6/14/2024
Projected Year End Rating ------
----------
4.5 Rating Meter
Rating Meter
4.0001 - 4.5000
Recent Match History Current Rating History
2021 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 13 10 3 0 76.9 27 20 7 74.1 239 140 99 58.6 1
Adult 18+ 4.5 2 0 2 0 0.0 4 0 4 0.0 35 10 25 28.6 0
Adult 40+ 4.0 7 7 0 0 100.0 15 14 1 93.3 111 81 30 73.0 1
Adult 40+ 4.5 2 1 1 0 50.0 5 2 3 40.0 38 17 21 44.7 1
Flex Format 4.0 4 4 0 0 100.0 8 8 0 100.0 69 48 21 69.6 1
Mixed 18+ 8.0 2 2 0 0 100.0 4 4 0 100.0 34 24 10 70.6 0
Total 30 24 6 0 80.0 63 48 15 76.2 526 320 206 60.8 4
Match Date League Team Court Partner Opponent(s) W/L Result Match Rating
12/09/2021 Adult 18+
4.5		 Duwearatchi/Ballentine ES 18+
Northern		 D3 Craig Ballentine
(3.64) 		Kevin Green
(4.01)
Jesse Raymond
(4.03) 		L 7-6
6-1		 4.03 4.01
11/29/2021 Adult 40+
4.5		 Duwearatchi/Ballentine ES 40+
Northern		 D3 Ken Pomerantz
(-----) 		Default W 6-0
6-0		 ----- -----
11/03/2021 Adult 18+
4.5		 Duwearatchi/Ballentine ES 18+
Northern		 D3 Reed Krider
(3.95) 		Kurt Meyer
(4.13)
Michael Kabis
(4.20) 		L 6-1
6-2		 S 4.01
10/25/2021 Adult 40+
4.5		 Duwearatchi/Ballentine ES 40+
Northern		 D3 Ken Pomerantz
(4.03) 		David Carberry
(4.16)
Todd Loken
(4.11) 		W 6-7
6-2
1-0		 4.16 4.01
10/17/2021 Mixed 18+
8.0		 Martinson/Hanson
Northern		 D3 Stephanie Hamel
(3.72) 		Emily Walz Lockhart
(3.81)
John Anderson
(-----) 		W 6-3
6-2		 S 3.95
10/17/2021 Adult 18+
4.0
Nationals		 Duwearatchi/Ballentine Summer 18+
Northern		 D1 Reed Krider
(3.92) 		Joseph Olender
(3.87)
Jordan Rosiek
(3.91) 		L 6-4
6-2		 3.72 3.91
10/16/2021 Adult 18+
4.0
Nationals		 Duwearatchi/Ballentine Summer 18+
Northern		 D2 Reed Krider
(3.95) 		David Moreno
(3.86)
Brian McCormick
(3.88) 		W 6-4
6-4		 4.00 3.98
10/16/2021 Adult 18+
4.0
Nationals		 Duwearatchi/Ballentine Summer 18+
Northern		 D2 Reed Krider
(3.88) 		paul epstein
(3.95)
Brendan Moser
(3.81) 		W 6-2
6-4		 4.10 4.01
10/15/2021 Adult 18+
4.0
Nationals		 Duwearatchi/Ballentine Summer 18+
Northern		 D2 Reed Krider
(3.91) 		David Moore
(4.06)
Marcus Mategrano
(3.81) 		L 6-4
6-1		 3.72 3.94
10/15/2021 Adult 18+
4.0
Nationals		 Duwearatchi/Ballentine Summer 18+
Northern		 D1 Reed Krider
(3.97) 		Allen Shih
(4.06)
Johnny Cheng
(3.39) 		W 3-6
6-4
1-0		 3.76 3.96
10/10/2021 Mixed 18+
8.0		 Martinson/Hanson
Northern		 D1 Kristina Vorpahl
(3.83) 		Sam Hobbs
(3.55)
Stacey Jansa
(3.75) 		W 6-2
6-3		 3.95 3.95
10/04/2021 Adult 40+
4.5		 Duwearatchi/Ballentine ES 40+
Northern		 S1 Justen Seim
(4.44) 		L 6-3
6-1		 4.13 4.03
08/21/2021 Adult 40+
4.0
Sectionals		 Duwearatchi/Ballentine Summer 40+
Northern		 D1 Reed Krider
(3.93) 		Sam Hobbs
(3.92)
Kenneth Gutzman
(3.81) 		W 6-0
6-3		 4.25 4.03
08/21/2021 Adult 40+
4.0
Sectionals		 Duwearatchi/Ballentine Summer 40+
Northern		 D1 Reed Krider
(3.87) 		Bill Sommers
(3.80)
John Reichling
(3.82) 		W 6-1
6-0		 4.29 4.02
08/20/2021 Adult 40+
4.0
Sectionals		 Duwearatchi/Ballentine Summer 40+
Northern		 D1 Reed Krider
(3.82) 		Mark Van Ert
(3.85)
Michael Kasner
(3.87) 		W 6-3
7-5		 4.03 3.95
08/15/2021 Adult 18+
4.0
Sectionals		 Duwearatchi/Ballentine Summer 18+
Northern		 D1 Reed Krider
(3.84) 		Bradley Whitsitt
(3.57)
Billy Yancey
(3.88) 		W 6-4
6-4		 3.87 3.91
08/14/2021 Adult 18+
4.0
Sectionals		 Duwearatchi/Ballentine Summer 18+
Northern		 D1 Reed Krider
(3.86) 		Paul Jilek
(3.76)
Greg Elfstrum
(3.67) 		W 6-4
6-2		 3.95 3.93
08/14/2021 Adult 18+
4.0
Sectionals		 Duwearatchi/Ballentine Summer 18+
Northern		 D1 Reed Krider
(3.80) 		Jesse Radabaugh
(3.88)
Will Pang
(3.95) 		W 6-2
7-6		 4.08 3.95
08/13/2021 Adult 18+
4.0
Sectionals		 Duwearatchi/Ballentine Summer 18+
Northern		 D1 Reed Krider
(3.83) 		Nhia Xiong
(3.58)
Kong Vue
(3.54) 		W 6-2
7-5		 3.79 3.87
07/24/2021 Flex Format
4.0		 Jacobsen
Northern		 S1 Drew Sweetman
(-----) 		W 6-3
6-1		 S -----
07/22/2021 Adult 40+
4.0		 Duwearatchi/Ballentine Summer 40+
Northern		 S2 Default W 6-0
6-0		 ----- -----
07/17/2021 Flex Format
4.0		 Jacobsen
Northern		 S1 Justin Moline
(-----) 		W 6-3
6-1		 S -----
07/13/2021 Flex Format
4.0		 Jacobsen
Northern		 S1 Default W 6-0
6-0		 S -----
07/01/2021 Flex Format
4.0		 Jacobsen
Northern		 S1 Mark Vyvyan
(3.79) 		W 6-3
6-3		 S -----
06/29/2021 Flex Format
4.0		 Jacobsen
Northern		 S1 Isaac Krueger
(3.70) 		W 6-4
6-3		 S -----
06/08/2021 Adult 18+
4.0		 Duwearatchi/Ballentine Summer 18+
Northern		 D1 Reed Krider
(3.75) 		Kenneth Gutzman
(3.73)
Robert Wyly
(3.81) 		W 6-2
6-1		 4.19 3.95
05/27/2021 Adult 40+
4.0		 Duwearatchi/Ballentine Summer 40+
Northern		 S1 Steve Sonnenleiter
(3.85) 		W 6-1
6-4		 4.09 3.90
05/20/2021 Adult 40+
4.0		 Duwearatchi/Ballentine Summer 40+
Northern		 D1 Reed Krider
(3.84) 		Michael Long
(3.92)
Michael Kasner
(3.72) 		W 6-2
1-6
1-0		 3.81 3.83
05/18/2021 Adult 18+
4.0		 Duwearatchi/Ballentine Summer 18+
Northern		 D3 James Robertson
(-----) 		Default W 6-0
6-0		 ----- -----
04/29/2021 Adult 18+
4.0		 Duwearatchi/Ballentine Winter 18+
Northern		 D1 Brad Digre
(3.92) 		Michael Lo
(3.49)
Kevin Thao
(3.49) 		W 6-3
6-0		 3.79 3.83
03/11/2021 Adult 40+
4.0		 Duwearatchi/Ballentine 40+
Northern		 S1 Jeff Sprinkel
(3.46) 		W 6-1
6-2		 3.81 3.83
02/25/2021 Adult 40+
4.0		 Duwearatchi/Ballentine 40+
Northern		 S1 Bryan Ball
(3.52) 		W 6-1
6-1		 3.91 3.86
02/23/2021 Adult 18+
4.0		 Duwearatchi/Ballentine Winter 18+
Northern		 S1 Brian Fitch
(3.49) 		W 6-2
6-1		 3.83 3.83
02/16/2021 Adult 18+
4.0		 Duwearatchi/Ballentine Winter 18+
Northern		 D1 Chad Engel
(3.88) 		Jesse Radabaugh
(3.71)
Noah Lipschultz
(3.87) 		L 7-5
6-4		 3.73 3.83
12/09/2021 D3 Adult 18+
4.5
Duwearatchi/Ballentine ES 18+
Northern		 L Seltz - licensed to ill
Northern
Craig Ballentine (3.64) 7-6
6-1		 Kevin Green (4.01)
Jesse Raymond (4.03)
Match: 4.03 Rating: 4.01
11/29/2021 D3 Adult 40+
4.5
Duwearatchi/Ballentine ES 40+
Northern		 W Ahrar - Early Start 2022
Northern
Ken Pomerantz (-----) 6-0
6-0		 Default
Match: ----- Rating: -----
11/03/2021 D3 Adult 18+
4.5
Duwearatchi/Ballentine ES 18+
Northern		 L Nazy- The Poachers
Northern
Reed Krider (3.95) 6-1
6-2		 Kurt Meyer (4.13)
Michael Kabis (4.20)
Match: S Rating: 4.01
10/25/2021 D3 Adult 40+
4.5
Duwearatchi/Ballentine ES 40+
Northern		 W Gullikson- Ham and Eggers
Northern
Ken Pomerantz (4.03) 6-7
6-2
1-0		 David Carberry (4.16)
Todd Loken (4.11)
Match: 4.16 Rating: 4.01
10/17/2021 D3 Mixed 18+
8.0
Martinson/Hanson
Northern		 W Ewen/Fall2022
Northern
Stephanie Hamel (3.72) 6-3
6-2		 Emily Walz Lockhart (3.81)
John Anderson (-----)
Match: S Rating: 3.95
10/17/2021 D1 Adult 18+
4.0
Nationals
Duwearatchi/Ballentine Summer 18+
Northern		 L USTA Atlanta/Joseph Olender
Southern
Reed Krider (3.92) 6-4
6-2		 Joseph Olender (3.87)
Jordan Rosiek (3.91)
Match: 3.72 Rating: 3.91
10/16/2021 D2 Adult 18+
4.0
Nationals
Duwearatchi/Ballentine Summer 18+
Northern		 W GEPTA-4.0-Adult/M(McElveen)(EPTC#2)
Southwest
Reed Krider (3.95) 6-4
6-4		 David Moreno (3.86)
Brian McCormick (3.88)
Match: 4.00 Rating: 3.98
10/16/2021 D2 Adult 18+
4.0
Nationals
Duwearatchi/Ballentine Summer 18+
Northern		 W Eastern/Salomon/18&Over4.0M
Eastern
Reed Krider (3.88) 6-2
6-4		 paul epstein (3.95)
Brendan Moser (3.81)
Match: 4.10 Rating: 4.01
10/15/2021 D2 Adult 18+
4.0
Nationals
Duwearatchi/Ballentine Summer 18+
Northern		 L Freeman-Woodlands Parks
Texas
Reed Krider (3.91) 6-4
6-1		 David Moore (4.06)
Marcus Mategrano (3.81)
Match: 3.72 Rating: 3.94
10/15/2021 D1 Adult 18+
4.0
Nationals
Duwearatchi/Ballentine Summer 18+
Northern		 W RINCONADA PK 18AM4.0B
No California
Reed Krider (3.97) 3-6
6-4
1-0		 Allen Shih (4.06)
Johnny Cheng (3.39)
Match: 3.76 Rating: 3.96
10/10/2021 D1 Mixed 18+
8.0
Martinson/Hanson
Northern		 W Estey
Northern
Kristina Vorpahl (3.83) 6-2
6-3		 Sam Hobbs (3.55)
Stacey Jansa (3.75)
Match: 3.95 Rating: 3.95
10/04/2021 S1 Adult 40+
4.5
Duwearatchi/Ballentine ES 40+
Northern		 L Ahrar - Early Start 2022
Northern
6-3
6-1		 Justen Seim (4.44)
Match: 4.13 Rating: 4.03
08/21/2021 D1 Adult 40+
4.0
Sectionals
Duwearatchi/Ballentine Summer 40+
Northern		 W Sebring Summer '21
Northern
Reed Krider (3.93) 6-0
6-3		 Sam Hobbs (3.92)
Kenneth Gutzman (3.81)
Match: 4.25 Rating: 4.03
08/21/2021 D1 Adult 40+
4.0
Sectionals
Duwearatchi/Ballentine Summer 40+
Northern		 W Goodman- Summer Swillers 21
Northern
Reed Krider (3.87) 6-1
6-0		 Bill Sommers (3.80)
John Reichling (3.82)
Match: 4.29 Rating: 4.02
08/20/2021 D1 Adult 40+
4.0
Sectionals
Duwearatchi/Ballentine Summer 40+
Northern		 W Longshots 40+ Winter 21
Northern
Reed Krider (3.82) 6-3
7-5		 Mark Van Ert (3.85)
Michael Kasner (3.87)
Match: 4.03 Rating: 3.95
08/15/2021 D1 Adult 18+
4.0
Sectionals
Duwearatchi/Ballentine Summer 18+
Northern		 W Shaughnessy Ball Smashers
Northern
Reed Krider (3.84) 6-4
6-4		 Bradley Whitsitt (3.57)
Billy Yancey (3.88)
Match: 3.87 Rating: 3.91
08/14/2021 D1 Adult 18+
4.0
Sectionals
Duwearatchi/Ballentine Summer 18+
Northern		 W Bartell / Padillia 4.0 Winter 2021
Northern
Reed Krider (3.86) 6-4
6-2		 Paul Jilek (3.76)
Greg Elfstrum (3.67)
Match: 3.95 Rating: 3.93
08/14/2021 D1 Adult 18+
4.0
Sectionals
Duwearatchi/Ballentine Summer 18+
Northern		 W Hammer Time 18s
Northern
Reed Krider (3.80) 6-2
7-6		 Jesse Radabaugh (3.88)
Will Pang (3.95)
Match: 4.08 Rating: 3.95
08/13/2021 D1 Adult 18+
4.0
Sectionals
Duwearatchi/Ballentine Summer 18+
Northern		 W Yang- Move Your Feet 2.0
Northern
Reed Krider (3.83) 6-2
7-5		 Nhia Xiong (3.58)
Kong Vue (3.54)
Match: 3.79 Rating: 3.87
07/24/2021 S1 Flex Format
4.0
Jacobsen
Northern		 W Sweetman
Northern
6-3
6-1		 Drew Sweetman (-----)
Match: S Rating: -----
07/22/2021 S2 Adult 40+
4.0
Duwearatchi/Ballentine Summer 40+
Northern		 W Craig/Lassow
Northern
6-0
6-0		 Default
Match: ----- Rating: -----
07/17/2021 S1 Flex Format
4.0
Jacobsen
Northern		 W Moline
Northern
6-3
6-1		 Justin Moline (-----)
Match: S Rating: -----
07/13/2021 S1 Flex Format
4.0
Jacobsen
Northern		 W Rusten
Northern
6-0
6-0		 Default
Match: S Rating: -----
07/01/2021 S1 Flex Format
4.0
Jacobsen
Northern		 W Vyvyan - One Singles 21.2
Northern
6-3
6-3		 Mark Vyvyan (3.79)
Match: S Rating: -----
06/29/2021 S1 Flex Format
4.0
Jacobsen
Northern		 W Krueger
Northern
6-4
6-3		 Isaac Krueger (3.70)
Match: S Rating: -----
06/08/2021 D1 Adult 18+
4.0
Duwearatchi/Ballentine Summer 18+
Northern		 W Bartell/Padilla - Summer
Northern
Reed Krider (3.75) 6-2
6-1		 Kenneth Gutzman (3.73)
Robert Wyly (3.81)
Match: 4.19 Rating: 3.95
05/27/2021 S1 Adult 40+
4.0
Duwearatchi/Ballentine Summer 40+
Northern		 W Goodman- Summer Swillers 21
Northern
6-1
6-4		 Steve Sonnenleiter (3.85)
Match: 4.09 Rating: 3.90
05/20/2021 D1 Adult 40+
4.0
Duwearatchi/Ballentine Summer 40+
Northern		 W Longshots 40+ Summer 21
Northern
Reed Krider (3.84) 6-2
1-6
1-0		 Michael Long (3.92)
Michael Kasner (3.72)
Match: 3.81 Rating: 3.83
05/18/2021 D3 Adult 18+
4.0
Duwearatchi/Ballentine Summer 18+
Northern		 W McIntyre- Not Our Fault
Northern
James Robertson (-----) 6-0
6-0		 Default
Match: ----- Rating: -----
04/29/2021 D1 Adult 18+
4.0
Duwearatchi/Ballentine Winter 18+
Northern		 W Chang/Thao- Hold My Boba
Northern
Brad Digre (3.92) 6-3
6-0		 Michael Lo (3.49)
Kevin Thao (3.49)
Match: 3.79 Rating: 3.83
03/11/2021 S1 Adult 40+
4.0
Duwearatchi/Ballentine 40+
Northern		 W Craig/Lassow - W21
Northern
6-1
6-2		 Jeff Sprinkel (3.46)
Match: 3.81 Rating: 3.83
02/25/2021 S1 Adult 40+
4.0
Duwearatchi/Ballentine 40+
Northern		 W Winter Swillers ‘21
Northern
6-1
6-1		 Bryan Ball (3.52)
Match: 3.91 Rating: 3.86
02/23/2021 S1 Adult 18+
4.0
Duwearatchi/Ballentine Winter 18+
Northern		 W Tesh CrowdSrikers
Northern
6-2
6-1		 Brian Fitch (3.49)
Match: 3.83 Rating: 3.83
02/16/2021 D1 Adult 18+
4.0
Duwearatchi/Ballentine Winter 18+
Northern		 L Hammargren- Hammer Time 18s
Northern
Chad Engel (3.88) 7-5
6-4		 Jesse Radabaugh (3.71)
Noah Lipschultz (3.87)
Match: 3.73 Rating: 3.83
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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