Landorf, Debbi

USTA ID

2010067413

Gender

Female

Location

Naperville, IL

WTN ID

LAN8669007

TennisLink · USTA · WTN

NTRP Ratings

Rating	Type	Year	Date	Expires
3.5	C	2025	Dec. 31, 2025	Dec. 31, 2028

WTN Ratings

Singles

29.36

Confidence 10 · 27.5–31.2

Doubles

27.04

Confidence 90 · 25.4–28.7

Position Distribution

Mixed Doubles 8.0

14 matches

1# Doubles

6 (43%)

2# Doubles

7 (50%)

3# Doubles

1 (7%)

Mixed Doubles 8.5

1 match

2# Doubles

1 (100%)

Women's Combo 3.5

4 matches

1# Doubles

1 (25%)

1# Singles

3 (75%)

Women's Combo 4.0

4 matches

2# Doubles

3 (75%)

3# Doubles

1 (25%)

Partners

Partner	W	L	xW	Together
John Li	6	3	6.4	9
Bill Bowman	4	1	3.8	5
Joan Labue	1	1	1.0	2
Mary Ellen Young	0	1	0.7	1
Deniz Karacay	1	0	0.4	1
Penny Knapik	0	1	0.6	1
Alicia Tisbo	0	1	0.7	1

Opponents

Opponent	W	L	xW	Faced
Chuck Blumenthal	2	1	2.1	3
Huan Chang	1	1	1.2	2
Emily Paris	0	2	0.8	2
Joseph Zabat	0	2	0.8	2
Joon Sung	0	1	0.6	1
Rachel Ellis	0	1	0.7	1
Laura Keener	0	1	0.7	1
Jeanine Stathopoulos	1	0	0.6	1
Micah Jordan	1	0	0.6	1
Anitra Willis	1	0	0.4	1
Tej Shah	1	0	0.4	1
Rachael Gruen	0	1	0.6	1
Emma Moon	0	1	0.6	1
Rachel Orlowski	1	0	0.7	1
Hanane Bouchareb	1	0	0.7	1
Crystal Leighton	0	1	0.3	1
Jessica Wagner	0	1	0.3	1
Jazz Burks	1	0	0.9	1
Haiying Yuan	1	0	0.9	1
Shirley Liu	1	0	0.8	1
Chung-Fu Shih	1	0	0.8	1
Denise Hazen	1	0	0.8	1
Sara Marberry	0	1	0.6	1
Sandra Villa	0	1	0.6	1
Laura Pearson	0	1	0.7	1
Elizabeth Mueller	0	1	0.7	1
Linh Bailey	1	0	0.5	1
Alison Miller	1	0	0.9	1
Thomas Strickler	1	0	0.9	1
Jackie Spicuzza	1	0	0.9	1
William Crain	1	0	0.9	1
Jennifer Koo	1	0	0.9	1
Marty Weathers	1	0	0.9	1
Patty Kulpins	1	0	0.8	1
Jon Espejo	1	0	0.8	1
Eric Matten	1	0	0.9	1
Tomoko Hayashida	1	0	0.9	1
Jennifer Grady	1	0	0.9	1

Match History (23)

Date	Flight	Pos	Partner	Opponent(s)	Score	P(win)	Result
3/23/2025	40 & Over 8.0 Mixed Winter	1# Doubles	John Li	Joon Sung / Huan Chang	7-6 4-5 1-0	59%	L
3/9/2025	W 4.0 Winter	2# Doubles	Mary Ellen Young	Rachel Ellis / Laura Keener	7-5 5-4	67%	L
3/7/2025	40 & Over 8.0 Mixed Winter	1# Doubles	John Li	Jeanine Stathopoulos / Micah Jordan	6-2 7-6	60%	W
3/2/2025	Combo Mix 8.5 Winter	2# Doubles	Deniz Karacay	Anitra Willis / Tej Shah	6-4 6-4	42%	W
2/9/2025	W 4.0 Winter	2# Doubles	Penny Knapik	Rachael Gruen / Emma Moon	6-3 7-5	59%	L
1/19/2025	W 4.0 Winter	3# Doubles	Joan Labue	Rachel Orlowski / Hanane Bouchareb	6-2 6-3	67%	W
1/12/2025	W 4.0 Winter	2# Doubles	Joan Labue	Crystal Leighton / Jessica Wagner	6-1 6-2	35%	L
3/30/2024	40 & Over 8.0 Mixed Winter	2# Doubles	John Li	Jazz Burks / Haiying Yuan	6-2 3-6 1-0	91%	W
3/16/2024	40 & Over 8.0 Mixed Winter	1# Doubles	John Li	Shirley Liu / Chung-Fu Shih	6-1 7-6	76%	W
12/16/2023	Mixed 40&O 8.0	2# Doubles	Bill Bowman	Chuck Blumenthal / Huan Chang	6-2 6-3	65%	W
11/12/2023	40&O Women 3.5	1# Singles	—	Denise Hazen	6-2 6-4	81%	W
11/11/2023	Mixed 40&O 8.0	2# Doubles	John Li	Chuck Blumenthal / Sara Marberry	6-2 2-6 1-0	60%	L
10/14/2023	40&O Women 3.5	1# Singles	—	Sandra Villa	5-7 5-3 1-0	61%	L
10/7/2023	40&O Women 3.5	1# Doubles	Alicia Tisbo	Laura Pearson / Elizabeth Mueller	1-6 6-3 1-0	68%	L
9/30/2023	40&O Women 3.5	1# Singles	—	Linh Bailey	7-5 5-3	47%	W
7/7/2023	Mix 40 & Over 8.0	2# Doubles	John Li	Alison Miller / Thomas Strickler	6-4 6-2	87%	W
6/30/2023	Mix 40 & Over 8.0	2# Doubles	John Li	Jackie Spicuzza / William Crain	5-7 6-2 1-0	88%	W
4/1/2023	40 & Over 8.0 Mixed Winter	2# Doubles	Bill Bowman	Jennifer Koo / Marty Weathers	6-2 6-1	91%	W
3/10/2023	40 & Over 8.0 Mixed Winter	2# Doubles	Bill Bowman	Emily Paris / Joseph Zabat	7-6 4-6 1-0	47%	L
3/3/2023	40 & Over 8.0 Mixed Winter	1# Doubles	Bill Bowman	Patty Kulpins / Jon Espejo	6-4 6-3	84%	W
2/4/2023	40 & Over 8.0 Mixed Winter	1# Doubles	John Li	Joseph Zabat / Emily Paris	6-0 1-6 1-0	34%	L
12/11/2022	Mixed 40&O 8.0	3# Doubles	Bill Bowman	Eric Matten / Tomoko Hayashida	6-2 6-1	94%	W
12/3/2022	Mixed 40&O 8.0	1# Doubles	John Li	Chuck Blumenthal / Jennifer Grady	6-4 7-6	88%	W

Team History

Year	Flight	Team
2025	CDTA 18 & Over W 4.0 Winter	CDTA W 18&OW 10.Wheaton Mills Sun 4 $20
2025	CDTA Combo Mix 8.5 Winter	CDTA W ComboX8.5 6.Glenbrook Podwika Sat 5 $25
2025	CDTA 40 & Over 8.0 Mixed Winter	CDTA W M40&OX8.0 3.Glenbrook Li Fri 7:30 $25
2024	CDTA 40 & Over 8.0 Mixed Summer	CDTA S M40&OX8.0 3.Glenbrook Li Fri 7:30 $25
2024	CDTA 40 & Over 8.0 Mixed Winter	CDTA W M40&OX8.0 2.Glenbrook Li Fri 7:30 $25
2024	CDTA E 40&O Women 3.5	CDTA E 40&OW3.5 8.Heritage Morrison Sat 12 $23
2024	CDTA ESL Mixed 40&O 8.0	CDTA E M40&OX8.0 2.Glenbrook Li Fri 7:30 $25
2023	CDTA ESL Mixed 40&O 8.0	CDTA E M40&O 8.0X Glenbrook Li Fri 7:30 $25
2023	CDTA S Mix 40 & Over 8.0	CDTA S M40&O8.0X c.Glenbrook Li Fri 7:30 $25
2023	CDTA 40 & Over 8.0 Mixed Winter	CDTA W M40&O 8.0X Glenbrook Li Fri 7:30 $25