Ko, Ann

USTA ID
2008905414
Gender
Female
Location
Western Springs, IL
WTN ID
KOX6861198

TennisLink · USTA · WTN

NTRP Ratings

RatingTypeYearDateExpires
4.0 C 2025 Dec. 31, 2025 Dec. 31, 2028

WTN Ratings

Singles
30.45
Confidence 10 · 28.6–32.3
Doubles
28.20
Confidence 100 · 26.5–29.9

Position Distribution

Women's Combo 4.5
20 matches
1# Doubles
5 (25%)
2# Doubles
4 (20%)
3# Doubles
11 (55%)
Women's Doubles 4.5
1 match
1 (100%)

Partners

PartnerWLxWTogether
Susan DiMagno 2 7 3.1 9
Ngozi Ezike 2 2 2.1 4
Emma Rimkunas 0 2 1.5 2
Janet Wolf 1 1 0.6 2
Cindy Bielik 0 1 0.1 1
Sarah Johnson 0 1 0.1 1
Linda Wright 0 1 0.2 1

Opponents

OpponentWLxWFaced
Corinn Hanson 0 2 0.7 2
Colleen Chionis 1 1 1.2 2
Sheryl Albert 2 0 0.6 2
Bela Starkman 1 1 1.3 2
Lisa Lesko 0 2 0.6 2
Marialin Lomongo 0 2 0.3 2
Taya Zoubareva 1 1 0.8 2
Soraya McTeague 0 2 0.3 2
Christine Meade 0 2 0.4 2
Meighan Pongonis 2 0 1.6 2
Sonal Matta 0 1 0.1 1
Catherine Grover 0 1 0.6 1
Lisa Musgrave 0 1 0.3 1
Diedre Dunn 0 1 0.3 1
Jean Maren 0 1 0.3 1
Yupin Lerner 0 1 0.9 1
Grace Hahn 1 0 0.6 1
Ayano Nakamura 0 1 0.1 1
Carole Wittemann 0 1 0.3 1
Andrea Galligan Kuc 0 1 0.2 1
Heike Spahn 0 1 0.2 1
Chica Ida 0 1 0.2 1
Barbara Ryan 1 0 0.9 1
Karen Rauh 0 1 0.1 1
Alice Copland 0 1 0.2 1
Keara Miller 0 1 0.2 1
Mary Beth Eck 1 0 0.8 1
Melanie Berends 0 1 0.6 1
Sophia Smarandescu 0 1 0.6 1
Jena Lindstrom 0 1 0.2 1
Alexandria Bear 0 1 0.2 1
Dawn Baumann 0 1 0.1 1

Match History (21)

DateFlightPosPartnerOpponent(s)ScoreP(win)Result
6/7/2025 W 4.5 Summer 3# Doubles Cindy Bielik Sonal Matta / Corinn Hanson 6-1 6-2 10% L
5/4/2025 W 4.5 Winter 3# Doubles Emma Rimkunas Colleen Chionis / Catherine Grover 6-3 6-2 56% L
5/3/2025 W 4.5 Winter 3# Doubles Janet Wolf Sheryl Albert / Bela Starkman 6-4 6-4 46% W
4/27/2025 W 4.5 Winter 3# Doubles Ngozi Ezike Lisa Musgrave / Lisa Lesko 6-0 6-3 31% L
2/22/2025 W 4.5 Winter 2# Doubles Susan DiMagno Diedre Dunn / Jean Maren 6-3 6-3 27% L
1/25/2025 W 4.5 Winter 3# Doubles Emma Rimkunas Bela Starkman / Yupin Lerner 6-2 6-4 89% L
1/18/2025 W 4.5 Winter 3# Doubles Susan DiMagno Colleen Chionis / Grace Hahn 3-6 6-4 1-0 60% W
12/13/2024 Women 4.5 3# Doubles Janet Wolf Marialin Lomongo / Ayano Nakamura 6-2 6-0 13% L
11/23/2024 Women 4.5 1# Doubles Susan DiMagno Sheryl Albert / Taya Zoubareva 3-6 7-5 1-0 19% W
10/26/2024 Women 4.5 1# Doubles Susan DiMagno Lisa Lesko / Carole Wittemann 5-7 6-3 1-0 26% L
10/20/2024 Women 4.5 3# Doubles Ngozi Ezike Andrea Galligan Kuc / Soraya McTeague 6-3 6-0 19% L
10/6/2024 Women 4.5 2# Doubles Susan DiMagno Heike Spahn / Christine Meade 6-4 6-4 25% L
4/28/2024 W 4.5 Winter 2# Doubles Susan DiMagno Taya Zoubareva / Corinn Hanson 6-4 6-2 58% L
4/7/2024 W 4.5 Winter 2# Doubles Susan DiMagno Marialin Lomongo / Chica Ida 6-3 7-5 18% L
3/10/2024 W 4.5 Winter 3# Doubles Ngozi Ezike Barbara Ryan / Meighan Pongonis 7-6 4-2 88% W
2/10/2024 W 4.5 Winter 3# Doubles Sarah Johnson Soraya McTeague / Karen Rauh 6-4 6-1 11% L
1/28/2024 W 4.5 Winter 1# Doubles Linda Wright Alice Copland / Keara Miller 6-1 6-0 25% L
1/13/2024 W 4.5 Winter 3# Doubles Ngozi Ezike Meighan Pongonis / Mary Beth Eck 6-1 7-6 76% W
12/1/2023 Women 4.5 1# Doubles Susan DiMagno Melanie Berends / Sophia Smarandescu 6-4 7-6 56% L
10/7/2023 Women 4.5 1# Doubles Susan DiMagno Jena Lindstrom / Alexandria Bear 7-5 3-5 1-0 18% L
8/7/2022 Women 3.5/4.0/4.5 Carmen Schneider Christine Meade / Dawn Baumann 7-5 6-7 1-0 15% L

Team History

YearFlightTeamRole
2025 CDTA 18 & Over W 4.5 Summer CDTA S A18W4.5 6Score Kamel Sat 9 $20
2025 CDTA E 18&O Women 4.5 CDTA E 18&OW4.5 3.Score Kamel Sun 3 $20
2025 CDTA 18 & Over W 4.5 Winter CDTA W 18&OW4.5 5.Score Kamel Sun 3 $20
2024 CDTA 18 & Over W 4.5 Winter CDTA W 18&OW4.5 8.Score Kamel Sun 3 $20
2024 CDTA E 18&O Women 4.5 CDTA E 18&OW4.5 8.Score Wolf Sun 3 $20
2022 Women 3.5/4.0/4.5 CDTA S Tri 3.5/4.0/4.5W River Trails Miller Sun 12 $20