Statistical Analysis and Estimated Tennis Ratings to the 10,000th of a Point
Match History (2024) View Advanced Player Stats
Debbi Landorf (Naperville, IL)
Female 		3.5 C
12/31/2023
Estimated Dynamic Rating 3.5020
7/23/2024
Projected Year End Rating ------
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3.5 Rating Meter
Rating Meter
3.0001 - 3.5000
Recent Match History Current Rating History
2024 Overall Season
League/Level Total
Matches		 Win Loss Tie WPct Total
Sets		 Win Loss WPct Total
Games		 Win Loss WPct Defaults
Adult 40+ 3.5 7 5 2 0 71.4 16 11 5 68.8 132 79 53 59.8 0
Adult 55+ 7.0 9 5 4 0 55.6 21 13 8 61.9 167 99 68 59.3 0
Adult 55+ 8.0 3 3 0 0 100.0 8 6 2 75.0 63 34 29 54.0 0
Combo 7.5 5 4 1 0 80.0 12 9 3 75.0 92 57 35 62.0 0
Mixed 40+ 8.0 10 10 0 0 100.0 24 20 4 83.3 179 117 62 65.4 0
Mixed Other 8.0 2 1 1 0 50.0 5 3 2 60.0 38 19 19 50.0 0
Total 36 28 8 0 77.8 86 62 24 72.1 671 405 266 60.4 0
Match Date League Team Court Partner Opponent(s) W/L Result Match Rating
07/16/2024 Adult 40+
3.5		 NITA S 35W40a Naperville-Gabel
Midwest		 D1 Lynn Park
(3.54) 		MIchelle Blanco
(3.09)
DONNA SAGER
(3.17) 		W 7-6
4-5
1-0		 3.19 3.50
07/13/2024 Mixed 40+
8.0		 NITA S 80MX40a Naperville-Podwika
Midwest		 D1 John Laurx
(4.10) 		Cristobal GARCIA
(3.69)
Stephane Sarkiss
(3.66) 		W 4-6
6-3
1-0		 3.46 3.58
07/12/2024 Mixed Other
8.0		 NITA S 80MX55a Naperville-Podwika
Midwest		 D1 John Laurx
(4.15) 		Jeff Skummer
(3.69)
Stephanie Batka
(3.82) 		L 4-6
6-0
1-0		 3.31 3.56
07/10/2024 Combo
7.5		 NITA S 75CWDc Rush Copley-Odenbeck/Arnold
Midwest		 D1 Marilyn Tansey
(3.94) 		Sharon Hermanns
(3.20)
Kristin Collins
(3.89) 		W 6-7
5-4
1-0		 3.35 -----
07/09/2024 Adult 55+
7.0		 NITA S 70W55c Rush Copley-Adams
Midwest		 D1 Lisa Korte
(3.38) 		Laura King
(3.50)
Karen McClure
(3.13) 		W 6-0
6-3		 3.74 3.61
07/01/2024 Adult 40+
3.5		 NITA S 35W40a Naperville-Gabel
Midwest		 D3 Michelle Yacullo
(3.31) 		Birute Jokubauskas
(3.15)
Laurie Eichelman
(3.05) 		W 6-0
6-4		 3.50 3.56
06/28/2024 Mixed Other
8.0		 NITA S 80MX55a Naperville-Podwika
Midwest		 D1 John Laurx
(4.14) 		Stephanie Batka
(3.88)
John Gatz
(3.64) 		W 6-3
7-5		 3.63 3.61
06/26/2024 Adult 55+
7.0		 NITA S 70W55c Rush Copley-Adams
Midwest		 D1 Lisa Korte
(3.45) 		Julie Burke-Concannon
(3.27)
Tracy Reese
(3.47) 		L 7-5
6-4		 3.36 3.53
06/21/2024 Combo
7.5		 NITA S 75CWDc Rush Copley-Odenbeck/Arnold
Midwest		 D1 Marilyn Tansey
(3.94) 		Vicki Mitchell
(4.13)
Gabija Treciokaite
(-----) 		L 4-6
6-2
1-0		 S -----
06/18/2024 Adult 55+
7.0		 NITA S 70W55c Rush Copley-Adams
Midwest		 D1 Lisa Korte
(3.39) 		Catherine Wasylenko
(3.54)
Micki Naal
(3.08) 		W 6-1
6-1		 3.79 3.60
06/14/2024 Mixed 40+
8.0		 NITA S 80MX40a Naperville-Podwika
Midwest		 D2 John Laurx
(4.14) 		Michael David
(3.59)
Amy Brodsky
(4.16) 		W 6-4
6-2		 3.81 3.62
05/29/2024 Adult 40+
3.5		 NITA S 35W40a Naperville-Gabel
Midwest		 D3 Lynn Park
(3.57) 		Lisa Simotes
(3.53)
Amy Bain
(3.32) 		W 6-3
6-1		 3.69 3.57
05/17/2024 Mixed 40+
8.0		 NITA S 80MX40a Naperville-Podwika
Midwest		 D2 John Laurx
(4.05) 		Shana Cal
(4.08)
Ivaylo Peroussanov
(3.56) 		W 6-2
6-1		 3.92 3.62
04/21/2024 Mixed 40+
8.0		 NITA W 80MXd Naperville-Podwika
Midwest		 D1 John Laurx
(4.01) 		Daylen Davis
(3.45)
Macy Morales
(4.02) 		W 6-2
6-2		 3.75 3.56
04/13/2024 Adult 55+
7.0		 NITA W 70W55a Rush Copley-Adams
Midwest		 D1 Lisa Korte
(3.40) 		Jeanine Janzen
(2.90)
Wendy Leto
(3.79) 		L 4-6
7-5
1-0		 3.39 3.52
04/12/2024 Adult 40+
3.5		 NITA W 35W40b Naperville-Gabel
Midwest		 D3 Betsy Feldmann
(3.34) 		Sarah Korreck
(3.39)
Rose Northon
(3.26) 		W 6-4
6-4		 3.52 3.54
04/05/2024 Adult 40+
3.5		 NITA W 35W40b Naperville-Gabel
Midwest		 D2 Minja Baek-Jones
(3.39) 		Cathy Kakuska
(3.16)
Elisa Boyd
(2.97) 		W 6-3
6-2		 3.41 3.53
03/30/2024 Adult 55+
7.0		 NITA W 70W55a Rush Copley-Adams
Midwest		 D1 gail wolf
(3.37) 		Cynthia Knox
(3.37)
Laura Fausey
(3.57) 		W 6-4
7-6		 3.63 3.56
03/30/2024 Mixed 40+
8.0		 CDTA W M40&OX8.0 2.Glenbrook Li Fri 7:30 $25
Midwest		 D2 John Li
(4.15) 		Jazz Burks
(3.59)
Haiying Yuan
(3.15) 		W 6-2
3-6
1-0		 3.14 3.47
03/20/2024 Combo
7.5		 NITA W 75CWDa Rush Copley-Odenbeck/Arnold
Midwest		 D2 Stephanie Stern
(3.58) 		Colleen Doyle
(3.71)
Amanda Hanlon
(3.34) 		W 6-0
7-6		 3.70 -----
03/16/2024 Mixed 40+
8.0		 CDTA W M40&OX8.0 2.Glenbrook Li Fri 7:30 $25
Midwest		 D1 John Li
(4.11) 		Shirley Liu
(3.58)
Chung-Fu Shih
(3.78) 		W 6-1
7-6		 3.56 3.54
03/15/2024 Mixed 40+
8.0		 NITA W 80MXd Naperville-Podwika
Midwest		 D2 John Li
(4.19) 		Gabriel Gonzalez
(3.57)
Anna Tur
(3.46) 		W 6-4
6-3		 3.35 3.50
03/13/2024 Combo
7.5		 NITA W 75CWDa Rush Copley-Odenbeck/Arnold
Midwest		 D3 Marilyn Tansey
(3.94) 		Cindy West
(3.25)
Tina Chivardi
(2.65) 		W 6-2
6-1		 3.41 -----
03/10/2024 Adult 55+
7.0		 NITA W 70W55a Rush Copley-Adams
Midwest		 D1 Lisa Korte
(3.37) 		Lynn Park
(3.49)
Anne Ruden
(3.65) 		L 6-2
1-6
1-0		 3.66 3.56
03/10/2024 Adult 55+
8.0		 NITA W 80W55b Rush-Mitchell
Midwest		 D3 Marilyn Tansey
(3.90) 		Christina Greeley
(3.29)
Lisa Vlach
(4.00) 		W 6-3
7-5		 3.57 3.54
03/08/2024 Adult 40+
3.5		 NITA W 35W40b Naperville-Gabel
Midwest		 D3 Tracy Reese
(3.53) 		Dimitrina Schoyer
(3.34)
Laura Knapp
(3.34) 		L 6-3
1-6
1-0		 3.37 3.50
02/24/2024 Adult 55+
8.0		 NITA W 80W55b Rush-Mitchell
Midwest		 D3 Vicki Mitchell
(4.07) 		Julie Colhoun
(3.60)
Tina Kayne
(3.71) 		W 7-5
3-6
1-0		 3.41 3.52
02/23/2024 Mixed 40+
8.0		 NITA W 80MXd Naperville-Podwika
Midwest		 D1 John Li
(4.14) 		Yuko Suzuki
(3.59)
Ryan Frederick
(-----) 		W 6-1
6-7
1-0		 S 3.56
02/17/2024 Adult 55+
7.0		 NITA W 70W55a Rush Copley-Adams
Midwest		 D1 Lisa Korte
(3.42) 		Diedre Castaldo
(3.41)
Eileen Gillstrom
(3.26) 		W 6-0
6-4		 3.67 3.57
02/16/2024 Adult 40+
3.5		 NITA W 35W40b Naperville-Gabel
Midwest		 D2 Betsy Feldmann
(3.38) 		Mary Rybicki
(3.40)
Cindy West
(3.24) 		L 6-4
7-6		 3.34 3.51
02/10/2024 Adult 55+
7.0		 NITA W 70W55a Rush Copley-Adams
Midwest		 D1 gail wolf
(3.29) 		Holly Kost
(3.50)
Janet Trimble
(3.57) 		L 6-3
2-6
1-0		 3.67 3.55
02/09/2024 Mixed 40+
8.0		 NITA W 80MXd Naperville-Podwika
Midwest		 D3 Matt Burghgraef
(4.03) 		Cody Schullo
(3.63)
Yuko Suzuki
(3.61) 		W 6-2
6-1		 3.70 3.56
01/28/2024 Adult 55+
8.0		 NITA W 80W55b Rush-Mitchell
Midwest		 D1 Anna Hartford
(4.06) 		Cheryl Imo
(4.04)
Masako Ueda
(3.94) 		W 3-6
6-4
1-0		 3.71 3.55
01/24/2024 Combo
7.5		 NITA W 75CWDa Rush Copley-Odenbeck/Arnold
Midwest		 D1 Marilyn Tansey
(3.94) 		Sue Kamphuis
(-----)
Cindy West
(3.25) 		W 6-1
6-3		 S -----
01/06/2024 Adult 55+
7.0		 NITA W 70W55a Rush Copley-Adams
Midwest		 D1 Lisa Korte
(3.38) 		Maureen Henderson
(3.38)
Rose Northon
(3.31) 		W 6-1
7-6		 3.57 3.51
01/06/2024 Mixed 40+
8.0		 NITA W 80MXd Naperville-Podwika
Midwest		 D2 John Laurx
(4.16) 		Ellen Elliot
(4.00)
Brian Cole
(3.51) 		W 6-7
3-0
1-0		 3.52 3.52
07/16/2024 D1 Adult 40+
3.5
NITA S 35W40a Naperville-Gabel
Midwest		 W NITA S 35W40j Rush Copley-Juarez/Greiman
Midwest
Lynn Park (3.54) 7-6
4-5
1-0		 MIchelle Blanco (3.09)
DONNA SAGER (3.17)
Match: 3.19 Rating: 3.50
07/13/2024 D1 Mixed 40+
8.0
NITA S 80MX40a Naperville-Podwika
Midwest		 W NITA S 80MX40b Huntley-Lawver
Midwest
John Laurx (4.10) 4-6
6-3
1-0		 Cristobal GARCIA (3.69)
Stephane Sarkiss (3.66)
Match: 3.46 Rating: 3.58
07/12/2024 D1 Mixed Other
8.0
NITA S 80MX55a Naperville-Podwika
Midwest		 L NITA S 80MX55b Centre Court-Matkovic
Midwest
John Laurx (4.15) 4-6
6-0
1-0		 Jeff Skummer (3.69)
Stephanie Batka (3.82)
Match: 3.31 Rating: 3.56
07/10/2024 D1 Combo
7.5
NITA S 75CWDc Rush Copley-Odenbeck/Arnold
Midwest		 W NITA S 75CWDe Oak Park-Myers/Locke
Midwest
Marilyn Tansey (3.94) 6-7
5-4
1-0		 Sharon Hermanns (3.20)
Kristin Collins (3.89)
Match: 3.35 Rating: -----
07/09/2024 D1 Adult 55+
7.0
NITA S 70W55c Rush Copley-Adams
Midwest		 W NITA S 70W55b Wheaton-Ohlson
Midwest
Lisa Korte (3.38) 6-0
6-3		 Laura King (3.50)
Karen McClure (3.13)
Match: 3.74 Rating: 3.61
07/01/2024 D3 Adult 40+
3.5
NITA S 35W40a Naperville-Gabel
Midwest		 W NITA S 35W40h Five Seasons-Stapleton/Rusthoven
Midwest
Michelle Yacullo (3.31) 6-0
6-4		 Birute Jokubauskas (3.15)
Laurie Eichelman (3.05)
Match: 3.50 Rating: 3.56
06/28/2024 D1 Mixed Other
8.0
NITA S 80MX55a Naperville-Podwika
Midwest		 W NITA S 80MX55b Centre Court-Matkovic
Midwest
John Laurx (4.14) 6-3
7-5		 Stephanie Batka (3.88)
John Gatz (3.64)
Match: 3.63 Rating: 3.61
06/26/2024 D1 Adult 55+
7.0
NITA S 70W55c Rush Copley-Adams
Midwest		 L NITA S 70W55g Naperville-Sheridan/Ruden
Midwest
Lisa Korte (3.45) 7-5
6-4		 Julie Burke-Concannon (3.27)
Tracy Reese (3.47)
Match: 3.36 Rating: 3.53
06/21/2024 D1 Combo
7.5
NITA S 75CWDc Rush Copley-Odenbeck/Arnold
Midwest		 L NITA S 75CWDa St Charles-Shields
Midwest
Marilyn Tansey (3.94) 4-6
6-2
1-0		 Vicki Mitchell (4.13)
Gabija Treciokaite (-----)
Match: S Rating: -----
06/18/2024 D1 Adult 55+
7.0
NITA S 70W55c Rush Copley-Adams
Midwest		 W NITA S 70W55e Challenge-Sharp
Midwest
Lisa Korte (3.39) 6-1
6-1		 Catherine Wasylenko (3.54)
Micki Naal (3.08)
Match: 3.79 Rating: 3.60
06/14/2024 D2 Mixed 40+
8.0
NITA S 80MX40a Naperville-Podwika
Midwest		 W NITA S 80MX40b Huntley-Lawver
Midwest
John Laurx (4.14) 6-4
6-2		 Michael David (3.59)
Amy Brodsky (4.16)
Match: 3.81 Rating: 3.62
05/29/2024 D3 Adult 40+
3.5
NITA S 35W40a Naperville-Gabel
Midwest		 W NITA S 35W40g Five Star-Delgrosso
Midwest
Lynn Park (3.57) 6-3
6-1		 Lisa Simotes (3.53)
Amy Bain (3.32)
Match: 3.69 Rating: 3.57
05/17/2024 D2 Mixed 40+
8.0
NITA S 80MX40a Naperville-Podwika
Midwest		 W NITA S 80MX40c River Trails-Miller
Midwest
John Laurx (4.05) 6-2
6-1		 Shana Cal (4.08)
Ivaylo Peroussanov (3.56)
Match: 3.92 Rating: 3.62
04/21/2024 D1 Mixed 40+
8.0
NITA W 80MXd Naperville-Podwika
Midwest		 W NITA W 80MXc NW Med Huntley-Lawver
Midwest
John Laurx (4.01) 6-2
6-2		 Daylen Davis (3.45)
Macy Morales (4.02)
Match: 3.75 Rating: 3.56
04/13/2024 D1 Adult 55+
7.0
NITA W 70W55a Rush Copley-Adams
Midwest		 L NITA W 70W55e Courts Plus-Bursch/Roth
Midwest
Lisa Korte (3.40) 4-6
7-5
1-0		 Jeanine Janzen (2.90)
Wendy Leto (3.79)
Match: 3.39 Rating: 3.52
04/12/2024 D3 Adult 40+
3.5
NITA W 35W40b Naperville-Gabel
Midwest		 W NITA W 35W40d Naperville-Bianchi
Midwest
Betsy Feldmann (3.34) 6-4
6-4		 Sarah Korreck (3.39)
Rose Northon (3.26)
Match: 3.52 Rating: 3.54
04/05/2024 D2 Adult 40+
3.5
NITA W 35W40b Naperville-Gabel
Midwest		 W NITA W 35W40j Vaughan-Sleezer/Jesseman
Midwest
Minja Baek-Jones (3.39) 6-3
6-2		 Cathy Kakuska (3.16)
Elisa Boyd (2.97)
Match: 3.41 Rating: 3.53
03/30/2024 D1 Adult 55+
7.0
NITA W 70W55a Rush Copley-Adams
Midwest		 W NITA W 70W55c Challenge-Sharp
Midwest
gail wolf (3.37) 6-4
7-6		 Cynthia Knox (3.37)
Laura Fausey (3.57)
Match: 3.63 Rating: 3.56
03/30/2024 D2 Mixed 40+
8.0
CDTA W M40&OX8.0 2.Glenbrook Li Fri 7:30 $25
Midwest		 W CDTA W M40&OX8.0 3.College Park Yang Sat 6 $23
Midwest
John Li (4.15) 6-2
3-6
1-0		 Jazz Burks (3.59)
Haiying Yuan (3.15)
Match: 3.14 Rating: 3.47
03/20/2024 D2 Combo
7.5
NITA W 75CWDa Rush Copley-Odenbeck/Arnold
Midwest		 W NITA W 75CWDb Five Star-Delgrosso
Midwest
Stephanie Stern (3.58) 6-0
7-6		 Colleen Doyle (3.71)
Amanda Hanlon (3.34)
Match: 3.70 Rating: -----
03/16/2024 D1 Mixed 40+
8.0
CDTA W M40&OX8.0 2.Glenbrook Li Fri 7:30 $25
Midwest		 W CDTA W M40&OX8.0 3.College Park Yang Sat 6 $23
Midwest
John Li (4.11) 6-1
7-6		 Shirley Liu (3.58)
Chung-Fu Shih (3.78)
Match: 3.56 Rating: 3.54
03/15/2024 D2 Mixed 40+
8.0
NITA W 80MXd Naperville-Podwika
Midwest		 W NITA W 80MX40b Vaughan-Elliot/Cole
Midwest
John Li (4.19) 6-4
6-3		 Gabriel Gonzalez (3.57)
Anna Tur (3.46)
Match: 3.35 Rating: 3.50
03/13/2024 D3 Combo
7.5
NITA W 75CWDa Rush Copley-Odenbeck/Arnold
Midwest		 W NITA W 75CWDd Health Track-Brown
Midwest
Marilyn Tansey (3.94) 6-2
6-1		 Cindy West (3.25)
Tina Chivardi (2.65)
Match: 3.41 Rating: -----
03/10/2024 D1 Adult 55+
7.0
NITA W 70W55a Rush Copley-Adams
Midwest		 L NITA W 70W55f Naperville-Sheridan/Ruden
Midwest
Lisa Korte (3.37) 6-2
1-6
1-0		 Lynn Park (3.49)
Anne Ruden (3.65)
Match: 3.66 Rating: 3.56
03/10/2024 D3 Adult 55+
8.0
NITA W 80W55b Rush-Mitchell
Midwest		 W NITA W 80W55d Rush Copley-Adams
Midwest
Marilyn Tansey (3.90) 6-3
7-5		 Christina Greeley (3.29)
Lisa Vlach (4.00)
Match: 3.57 Rating: 3.54
03/08/2024 D3 Adult 40+
3.5
NITA W 35W40b Naperville-Gabel
Midwest		 L NITA W 35W40e Centennial-Wright/Lam
Midwest
Tracy Reese (3.53) 6-3
1-6
1-0		 Dimitrina Schoyer (3.34)
Laura Knapp (3.34)
Match: 3.37 Rating: 3.50
02/24/2024 D3 Adult 55+
8.0
NITA W 80W55b Rush-Mitchell
Midwest		 W NITA W 80W55a Tam- Lobo-Corey
Midwest
Vicki Mitchell (4.07) 7-5
3-6
1-0		 Julie Colhoun (3.60)
Tina Kayne (3.71)
Match: 3.41 Rating: 3.52
02/23/2024 D1 Mixed 40+
8.0
NITA W 80MXd Naperville-Podwika
Midwest		 W NITA W 80MXc NW Med Huntley-Lawver
Midwest
John Li (4.14) 6-1
6-7
1-0		 Yuko Suzuki (3.59)
Ryan Frederick (-----)
Match: S Rating: 3.56
02/17/2024 D1 Adult 55+
7.0
NITA W 70W55a Rush Copley-Adams
Midwest		 W NITA W 70W55c Challenge-Sharp
Midwest
Lisa Korte (3.42) 6-0
6-4		 Diedre Castaldo (3.41)
Eileen Gillstrom (3.26)
Match: 3.67 Rating: 3.57
02/16/2024 D2 Adult 40+
3.5
NITA W 35W40b Naperville-Gabel
Midwest		 L NITA W 35W40k Health Track-Beneventi/Detrick
Midwest
Betsy Feldmann (3.38) 6-4
7-6		 Mary Rybicki (3.40)
Cindy West (3.24)
Match: 3.34 Rating: 3.51
02/10/2024 D1 Adult 55+
7.0
NITA W 70W55a Rush Copley-Adams
Midwest		 L NITA W 70W55e Courts Plus-Bursch/Roth
Midwest
gail wolf (3.29) 6-3
2-6
1-0		 Holly Kost (3.50)
Janet Trimble (3.57)
Match: 3.67 Rating: 3.55
02/09/2024 D3 Mixed 40+
8.0
NITA W 80MXd Naperville-Podwika
Midwest		 W NITA W 80MXc NW Med Huntley-Lawver
Midwest
Matt Burghgraef (4.03) 6-2
6-1		 Cody Schullo (3.63)
Yuko Suzuki (3.61)
Match: 3.70 Rating: 3.56
01/28/2024 D1 Adult 55+
8.0
NITA W 80W55b Rush-Mitchell
Midwest		 W NITA W 80W55a Tam- Lobo-Corey
Midwest
Anna Hartford (4.06) 3-6
6-4
1-0		 Cheryl Imo (4.04)
Masako Ueda (3.94)
Match: 3.71 Rating: 3.55
01/24/2024 D1 Combo
7.5
NITA W 75CWDa Rush Copley-Odenbeck/Arnold
Midwest		 W NITA W 75CWDd Health Track-Brown
Midwest
Marilyn Tansey (3.94) 6-1
6-3		 Sue Kamphuis (-----)
Cindy West (3.25)
Match: S Rating: -----
01/06/2024 D1 Adult 55+
7.0
NITA W 70W55a Rush Copley-Adams
Midwest		 W NITA W 70W55b Naperville-Bianchi
Midwest
Lisa Korte (3.38) 6-1
7-6		 Maureen Henderson (3.38)
Rose Northon (3.31)
Match: 3.57 Rating: 3.51
01/06/2024 D2 Mixed 40+
8.0
NITA W 80MXd Naperville-Podwika
Midwest		 W NITA W 80MX40b Vaughan-Elliot/Cole
Midwest
John Laurx (4.16) 6-7
3-0
1-0		 Ellen Elliot (4.00)
Brian Cole (3.51)
Match: 3.52 Rating: 3.52
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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