Statistical Analysis and Estimated Tennis Ratings to the 10,000th of a Point
Match History (Rating) View Advanced Player Stats
Emerson Timmins (Wailuku, HI)
Male 		4.0 C
12/31/2024
Estimated Dynamic Rating 3.5895
11/7/2025
Projected Year End Rating ------
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4.0 Rating Meter
Rating Meter
3.5001 - 4.0000
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+ 4.0 4 2 2 0 50.0 10 5 5 50.0 77 41 36 53.2 0
Adult 40+ 4.0 4 2 2 0 50.0 9 4 5 44.4 69 33 36 47.8 0
Adult 55+ 8.0 5 0 5 0 0.0 11 1 10 9.1 86 26 60 30.2 0
Mixed 18+ 8.0 4 1 3 0 25.0 9 3 6 33.3 72 30 42 41.7 0
Mixed Other 8.0 9 6 3 0 66.7 20 12 8 60.0 171 94 77 55.0 0
Total 26 11 15 0 42.3 59 25 34 42.4 475 224 251 47.2 0
Match Date League Team Court Partner Opponent(s) W/L Result Match Rating
09/28/2025 Mixed Other
8.0		 Mixed Signals
Hawaii		 D2 Jackie deCrinis
(3.68) 		David Marcus
(3.46)
Mona Decrinis
(3.91) 		L 7-5
6-3		 3.48 3.53
09/27/2025 Mixed Other
8.0		 Mixed Signals
Hawaii		 D3 Cynthia Feike
(3.87) 		Lori Tanaka
(3.55)
Jeff Bettendorf
(3.50) 		W 6-4
6-3		 3.50 3.54
09/06/2025 Mixed Other
8.0		 Mixed Signals
Hawaii		 D3 Deanna DiBiase
(3.97) 		Jeff Bettendorf
(3.50)
Jennifer Goldyn
(3.72) 		W 6-4
6-3		 3.55 3.53
07/12/2025 Adult 18+
4.0		 Wabi Sabi
Hawaii		 D2 Paulo Mallari
(3.83) 		Harold Fernandez
(3.94)
Brad Helman
(3.96) 		L 6-3
7-5		 3.68 3.59
07/06/2025 Adult 18+
4.0		 Wabi Sabi
Hawaii		 D3 Jonathan Yudis
(3.45) 		Jeff Bettendorf
(3.46)
David Marcus
(3.53) 		W 4-6
7-5
1-0		 3.58 3.56
06/28/2025 Adult 18+
4.0		 Wabi Sabi
Hawaii		 D3 Henry Kofron
(3.79) 		Jeff Bettendorf
(3.47)
Kelly Tobita
(3.91) 		L 1-6
6-3
1-0		 3.60 3.56
06/14/2025 Adult 18+
4.0		 Wabi Sabi
Hawaii		 D1 Kevin Hillman
(3.99) 		Jeff Bettendorf
(3.46)
David Marcus
(3.52) 		W 6-4
6-0		 3.56 3.55
05/31/2025 Adult 55+
8.0		 Mike's 8.0 Mens #1
Hawaii		 D2 Bruce Coelho
(3.51) 		Richardo Alboro
(3.82)
Harold Fernandez
(3.98) 		L 6-2
6-1		 3.58 3.55
05/18/2025 Adult 55+
8.0		 Mike's 8.0 Mens #1
Hawaii		 D2 Peter Mueller
(3.67) 		John Guthrie
(3.68)
Kirk Tanaka
(3.91) 		L 6-2
6-4		 3.54 3.55
05/04/2025 Adult 55+
8.0		 Mike's 8.0 Mens #1
Hawaii		 D2 Peter Mueller
(3.69) 		Kirk Tanaka
(3.88)
Kelly Tobita
(3.86) 		L 6-2
6-0		 3.41 3.54
05/03/2025 Adult 55+
8.0		 Mike's 8.0 Mens #1
Hawaii		 D2 Peter Mueller
(3.69) 		Kirk Tanaka
(3.87)
Kelly Tobita
(3.85) 		L 6-2
6-2		 3.51 3.54
04/27/2025 Adult 55+
8.0		 Mike's 8.0 Mens #1
Hawaii		 D3 Barry Probst
(3.43) 		Richardo Alboro
(3.73)
Jeff Bettendorf
(3.50) 		L 7-5
4-6
1-0		 3.67 3.56
04/13/2025 Mixed 18+
8.0		 Mike 8.0-1
Hawaii		 D3 Tana Leander
(3.88) 		Nolan Wren
(3.93)
Crystal Graves
(3.59) 		W 6-3
6-2		 S 3.55
04/11/2025 Mixed 18+
8.0		 Mike 8.0-1
Hawaii		 D3 Catherine Hall
(3.57) 		Lena Poonnopatam
(4.05)
Bryson Alviedo
(3.42) 		L 6-2
6-2		 S 3.55
03/29/2025 Mixed 18+
8.0		 Mike 8.0-1
Hawaii		 D2 Catherine Hall
(3.58) 		Brad Helman
(3.93)
Deanna DiBiase
(4.00) 		L 6-2
6-2		 3.65 3.55
03/15/2025 Mixed 18+
8.0		 Mike 8.0-1
Hawaii		 D2 Jennifer Goldyn
(3.74) 		Andrew Yoon
(3.80)
Lino Yoshikawa
(3.89) 		L 6-7
6-3
1-0		 3.66 3.54
02/23/2025 Adult 40+
4.0		 Uncles Movement
Hawaii		 D4 Benjamin Falit
(3.68) 		Jeff Bettendorf
(3.49)
Stefano Maffini
(3.48) 		W 6-0
6-1		 3.83 3.59
02/01/2025 Adult 40+
4.0		 Uncles Movement
Hawaii		 D3 Yeshua Goodman
(4.15) 		John Guthrie
(3.65)
Chris Hassen
(3.84) 		W 6-4
1-6
1-0		 3.38 3.50
01/18/2025 Adult 40+
4.0		 Uncles Movement
Hawaii		 D2 David Bailey
(3.85) 		Harold Fernandez
(3.97)
Ricky Tobita
(3.84) 		L 6-3
7-6		 3.63 3.53
01/12/2025 Mixed Other
8.0
Sectionals		 Mixed Signals
Hawaii		 D3 Petra Dupont
(3.96) 		Ritch Dinh
(3.74)
Donna Chang-Dinh
(3.29) 		W 6-7
6-1
1-0		 3.42 3.50
01/11/2025 Mixed Other
8.0
Sectionals		 Mixed Signals
Hawaii		 D3 Rachel Christopher
(4.09) 		Derrick Kau
(4.05)
Sonya Trapp
(3.86) 		L 6-3
6-3		 S 3.50
01/11/2025 Mixed Other
8.0
Sectionals		 Mixed Signals
Hawaii		 D3 Rachel Christopher
(4.12) 		Warlo Pasicaran
(3.96)
Lyn Joson
(3.75) 		L 6-4
6-3		 3.42 3.50
01/04/2025 Adult 40+
4.0		 Uncles Movement
Hawaii		 D3 Henry Kofron
(3.68) 		Jerry Delacruz
(3.89)
John Guthrie
(3.67) 		L 6-2
6-2		 3.41 3.50
12/07/2024 Mixed Other
8.0		 Mixed Signals
Hawaii		 D3 Rachel Christopher
(4.09) 		Jeff Bettendorf
(3.50)
Abbie Murray
(3.46) 		W 6-0
6-1		 3.62 3.54
12/01/2024 Mixed Other
8.0		 Mixed Signals
Hawaii		 D3 Rachel Christopher
(4.10) 		Jeff Bettendorf
(3.49)
Tamara Farwig
(3.57) 		W 6-1
7-5		 3.45 3.50
11/17/2024 Mixed Other
8.0		 Mixed Signals
Hawaii		 D1 Rachel Christopher
(4.10) 		Kelly Tobita
(3.85)
Bettina Haerer
(3.74) 		W 7-5
3-6
1-0		 3.50 3.51
09/28/2025 D2 Mixed Other
8.0
Mixed Signals
Hawaii		 L Mike's 8.0
Hawaii
Jackie deCrinis (3.68) 7-5
6-3		 David Marcus (3.46)
Mona Decrinis (3.91)
Match: 3.48 Rating: 3.53
09/27/2025 D3 Mixed Other
8.0
Mixed Signals
Hawaii		 W Mike's 8.0
Hawaii
Cynthia Feike (3.87) 6-4
6-3		 Lori Tanaka (3.55)
Jeff Bettendorf (3.50)
Match: 3.50 Rating: 3.54
09/06/2025 D3 Mixed Other
8.0
Mixed Signals
Hawaii		 W Mike's 8.0
Hawaii
Deanna DiBiase (3.97) 6-4
6-3		 Jeff Bettendorf (3.50)
Jennifer Goldyn (3.72)
Match: 3.55 Rating: 3.53
07/12/2025 D2 Adult 18+
4.0
Wabi Sabi
Hawaii		 L Mike's 4.0 Men
Hawaii
Paulo Mallari (3.83) 6-3
7-5		 Harold Fernandez (3.94)
Brad Helman (3.96)
Match: 3.68 Rating: 3.59
07/06/2025 D3 Adult 18+
4.0
Wabi Sabi
Hawaii		 W Mike's 4.0 Men
Hawaii
Jonathan Yudis (3.45) 4-6
7-5
1-0		 Jeff Bettendorf (3.46)
David Marcus (3.53)
Match: 3.58 Rating: 3.56
06/28/2025 D3 Adult 18+
4.0
Wabi Sabi
Hawaii		 L Mike's 4.0 Men
Hawaii
Henry Kofron (3.79) 1-6
6-3
1-0		 Jeff Bettendorf (3.47)
Kelly Tobita (3.91)
Match: 3.60 Rating: 3.56
06/14/2025 D1 Adult 18+
4.0
Wabi Sabi
Hawaii		 W Mike's 4.0 Men
Hawaii
Kevin Hillman (3.99) 6-4
6-0		 Jeff Bettendorf (3.46)
David Marcus (3.52)
Match: 3.56 Rating: 3.55
05/31/2025 D2 Adult 55+
8.0
Mike's 8.0 Mens #1
Hawaii		 L Mike's 8.0 Mens #2
Hawaii
Bruce Coelho (3.51) 6-2
6-1		 Richardo Alboro (3.82)
Harold Fernandez (3.98)
Match: 3.58 Rating: 3.55
05/18/2025 D2 Adult 55+
8.0
Mike's 8.0 Mens #1
Hawaii		 L Mike's 8.0 Mens #2
Hawaii
Peter Mueller (3.67) 6-2
6-4		 John Guthrie (3.68)
Kirk Tanaka (3.91)
Match: 3.54 Rating: 3.55
05/04/2025 D2 Adult 55+
8.0
Mike's 8.0 Mens #1
Hawaii		 L Mike's 8.0 Mens #2
Hawaii
Peter Mueller (3.69) 6-2
6-0		 Kirk Tanaka (3.88)
Kelly Tobita (3.86)
Match: 3.41 Rating: 3.54
05/03/2025 D2 Adult 55+
8.0
Mike's 8.0 Mens #1
Hawaii		 L Mike's 8.0 Mens #2
Hawaii
Peter Mueller (3.69) 6-2
6-2		 Kirk Tanaka (3.87)
Kelly Tobita (3.85)
Match: 3.51 Rating: 3.54
04/27/2025 D3 Adult 55+
8.0
Mike's 8.0 Mens #1
Hawaii		 L Mike's 8.0 Mens #2
Hawaii
Barry Probst (3.43) 7-5
4-6
1-0		 Richardo Alboro (3.73)
Jeff Bettendorf (3.50)
Match: 3.67 Rating: 3.56
04/13/2025 D3 Mixed 18+
8.0
Mike 8.0-1
Hawaii		 W Cool Kidz
Hawaii
Tana Leander (3.88) 6-3
6-2		 Nolan Wren (3.93)
Crystal Graves (3.59)
Match: S Rating: 3.55
04/11/2025 D3 Mixed 18+
8.0
Mike 8.0-1
Hawaii		 L All Da Works
Hawaii
Catherine Hall (3.57) 6-2
6-2		 Lena Poonnopatam (4.05)
Bryson Alviedo (3.42)
Match: S Rating: 3.55
03/29/2025 D2 Mixed 18+
8.0
Mike 8.0-1
Hawaii		 L Cool Kidz
Hawaii
Catherine Hall (3.58) 6-2
6-2		 Brad Helman (3.93)
Deanna DiBiase (4.00)
Match: 3.65 Rating: 3.55
03/15/2025 D2 Mixed 18+
8.0
Mike 8.0-1
Hawaii		 L All Da Works
Hawaii
Jennifer Goldyn (3.74) 6-7
6-3
1-0		 Andrew Yoon (3.80)
Lino Yoshikawa (3.89)
Match: 3.66 Rating: 3.54
02/23/2025 D4 Adult 40+
4.0
Uncles Movement
Hawaii		 W Mike's 4.0 Men
Hawaii
Benjamin Falit (3.68) 6-0
6-1		 Jeff Bettendorf (3.49)
Stefano Maffini (3.48)
Match: 3.83 Rating: 3.59
02/01/2025 D3 Adult 40+
4.0
Uncles Movement
Hawaii		 W Mike's 4.0 Men
Hawaii
Yeshua Goodman (4.15) 6-4
1-6
1-0		 John Guthrie (3.65)
Chris Hassen (3.84)
Match: 3.38 Rating: 3.50
01/18/2025 D2 Adult 40+
4.0
Uncles Movement
Hawaii		 L Mike's 4.0 Men
Hawaii
David Bailey (3.85) 6-3
7-6		 Harold Fernandez (3.97)
Ricky Tobita (3.84)
Match: 3.63 Rating: 3.53
01/12/2025 D3 Mixed Other
8.0
Sectionals
Mixed Signals
Hawaii		 W Double Trouble
Hawaii
Petra Dupont (3.96) 6-7
6-1
1-0		 Ritch Dinh (3.74)
Donna Chang-Dinh (3.29)
Match: 3.42 Rating: 3.50
01/11/2025 D3 Mixed Other
8.0
Sectionals
Mixed Signals
Hawaii		 L Double Trouble
Hawaii
Rachel Christopher (4.09) 6-3
6-3		 Derrick Kau (4.05)
Sonya Trapp (3.86)
Match: S Rating: 3.50
01/11/2025 D3 Mixed Other
8.0
Sectionals
Mixed Signals
Hawaii		 L Aim for Fame
Hawaii
Rachel Christopher (4.12) 6-4
6-3		 Warlo Pasicaran (3.96)
Lyn Joson (3.75)
Match: 3.42 Rating: 3.50
01/04/2025 D3 Adult 40+
4.0
Uncles Movement
Hawaii		 L Mike's 4.0 Men
Hawaii
Henry Kofron (3.68) 6-2
6-2		 Jerry Delacruz (3.89)
John Guthrie (3.67)
Match: 3.41 Rating: 3.50
12/07/2024 D3 Mixed Other
8.0
Mixed Signals
Hawaii		 W Mike's 8.0 team
Hawaii
Rachel Christopher (4.09) 6-0
6-1		 Jeff Bettendorf (3.50)
Abbie Murray (3.46)
Match: 3.62 Rating: 3.54
12/01/2024 D3 Mixed Other
8.0
Mixed Signals
Hawaii		 W Mike's 8.0 team
Hawaii
Rachel Christopher (4.10) 6-1
7-5		 Jeff Bettendorf (3.49)
Tamara Farwig (3.57)
Match: 3.45 Rating: 3.50
11/17/2024 D1 Mixed Other
8.0
Mixed Signals
Hawaii		 W Mike's 8.0 team
Hawaii
Rachel Christopher (4.10) 7-5
3-6
1-0		 Kelly Tobita (3.85)
Bettina Haerer (3.74)
Match: 3.50 Rating: 3.51
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S Self rated or unrated player involved in match so no match rating calculated for current player.
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