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Karen Jackson

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Bolingbrook, IL
3.5C year-end 2025
i
Computer — generated by the USTA algorithm from match play
134 matches · 43W–91L · seasons 2018–2025
Match history134 matches
L
2025-04-13 · NITA W 65CWa Five Star-Delgrosso · #3 Doubles · 6.5 · with Helen Micchelli
doesn’t count toward your NTRP rating
6-4, 5-3
L
2025-04-06 · NITA W 65CWa Five Star-Delgrosso · #1 Doubles · 6.5 · with Marni Springer
doesn’t count toward your NTRP rating
1-6, 6-7
L
2025-03-21 · NITA W 35W40c Five Star-Delgrosso · #2 Doubles · 3.5 · with Mary Baker
loading the estimate
3-6, 3-6
W
2025-03-09 · NITA W 35W40c Five Star-Delgrosso · #2 Doubles · 3.5 · with Robin Dickerson
loading the estimate
7-5, 6-2
L
2025-02-23 · NITA W 65CWa Five Star-Delgrosso · #3 Doubles · 6.5 · with Helen Micchelli
doesn’t count toward your NTRP rating
2-6, 2-6
L
2025-02-21 · NITA W 35W40c Five Star-Delgrosso · #2 Doubles · 3.5 · with Salve Messina
loading the estimate
0-6, 2-6
W
2025-02-16 · NITA W 65CWa Five Star-Delgrosso · #2 Doubles · 6.5 · with Jennifer Klepper
doesn’t count toward your NTRP rating
6-0, 6-3
W
2025-02-07 · NITA W 35W40c Five Star-Delgrosso · #3 Doubles · 3.5 · with Salve Messina
loading the estimate
2-6, 7-6, 1-0
W
2025-01-26 · NITA W 65CWa Five Star-Delgrosso · #3 Doubles · 6.5 · with Marni Springer
doesn’t count toward your NTRP rating
7-5, 4-1
W
2024-12-08 · NITA F 65CWd Five Star-Delgrosso · #3 Doubles · 6.5 · with Zaneta Gintautas
doesn’t count toward your NTRP rating
6-4, 6-1
L
2024-12-01 · NITA F 65CWd Five Star-Delgrosso · #3 Doubles · 6.5 · with Marni Springer
doesn’t count toward your NTRP rating
6-7, 4-3, 0-1
L
2024-11-22 · NITA E 35W40c Five Star-Delgrosso · #3 Doubles · 3.5 · with Cochita Jose
loading the estimate
2-6, 1-6
Where you rank locallyagainst everyone at your level
Teams46 teams · 2019–2025
NITA E 35W40c Five Star-Delgrosso
2025 NITA1 ESL Adult 40 & Over · NITA ESL 40 & Over 3.5 Women · 40+
2025
NITA W 35W40c Five Star-Delgrosso
2025 NITA2 Winter Adult 40 & Over · NITA Winter 40&Over 3.5 Women · 40+
2025
NITA W 65CWa Five Star-Delgrosso
2025 NITA2 Winterz Combo 18 & Over · NITA Winter 6.5 Combo Women · 18+
2025
NITA W 75CWa Five Star-Delgrosso
2025 NITA2 Winterz Combo 18 & Over · NITA Winter 7.5 Combo Women · 18+
2025
NITA E 35W40c Five Star (Delgrosso)
2024 NITA1 ESL Adult 40 & Over · NITA ESL 40 & Over 3.5 Women · 40+
2024
NITA F 65CWd Five Star-Delgrosso
2024 NITA4 Fall Combo · NITA Fall Combo 6.5 Women
2024
NITA S 35W40g Five Star-Delgrosso
2024 NITA3 Summer Adult 40 & Over · NITA Summer Adult 40 & Over 3.5 Women · 40+
2024
NITA S 65CWa Five Star-Delgrosso
2024 NITA3 Summerz Combo · NITA Summer 6.5 Combo Women
2024
NITA W 35W40c Five Star-Delgrosso
2024 NITA2 Winter Adult 40 & Over · NITA Winter 40&Over 3.5 Women · 40+
2024
NITA W 65CWa Five Star-Delgrosso
2024 NITA2 Winterz Combo 18 & Over · NITA Winter 6.5 Combo Women · 18+
2024
NITA E 35W40e Five Star (Delgrosso)
2023 NITA1 ESL Adult 40 & Over · NITA ESL 40 & Over 3.5 Women · 40+
2023
NITA E 40W40i Five Star (Yaeger/Young)
2023 NITA1 ESL Adult 40 & Over · NITA ESL 40 & Over 4.0 Women · 40+
2023
NITA F 65CWb Five Star (Delgrosso)
2023 NITA4 Fall Combo · NITA Fall Combo 6.5 Women
2023
NITA S 35W40l Five Star (Delgrosso)
2023 NITA3 Summer Adult 40 & Over · NITA Summer Adult 40 & Over 3.5 Women · 40+
2023
NITA S 75CWe Five Star (Delgrosso)
2023 NITA3 Summerz Combo · 7.5 Summer Combo Women
2023
NITA W 35W40d Five Star (Delgrosso)
2023 NITA2 Winter Adult 40 & Over · NITA Winter 40 & Over 3.5 Women · 40+
2023
NITA W 75CWb Five Star (Delgrosso)
2023 NITA2 Winterz Combo · NITA Winter 7.5 Combo Women
2023
NITA E 35W40i Five Star (Delgrosso)
2022 NITA1 ESL Adult 40 & Over · NITA ESL 40 & Over 3.5 Women · 40+
2022
NITA E 40W40h Five Star (Yaeger/Lyons)
2022 NITA1 ESL Adult 40 & Over · NITA ESL 40 & Over 4.0 Women · 40+
2022
NITA S 35W40i Five Star (Delgrosso)
2022 NITA3 Summer Adult 40 & Over · NITA Summer Adult 40 & Over 3.5 Women · 40+
2022
NITA S 40W40i Five Star (Yaeger/Young)
2022 NITA3 Summer Adult 40 & Over · NITA Summer Adult 40 & Over 4.0 Women · 40+
2022
NITA W 35W40d Five Star (Delgrosso)
2022 NITA2 Winter Adult 40 & Over · NITA Winter 40 & Over 3.5 Women · 40+
2022
NITA W 40W40g Five Star (Yaeger/Lyons)
2022 NITA2 Winter Adult 40 & Over · NITA Winter 40 & Over 4.0 Women · 40+
2022
NITA E 35W40d Five Star (Delgrosso)
2021 NITA1b ESL Adult 40 & Over · NITA ESL 40 & Over 3.5 Women · 40+
2021
NITA F 65CWc Five Star (Delgrosso)
2021 NITA4 Fall Combo · NITA Fall 6.5 Combo Women
2021
NITA F 75CWc Five Star (Delgrosso)
2021 NITA4 Fall Combo · NITA Fall 7.5 Combo Women
2021
NITA S 35W40g Five Star (Delgrosso)
2021 NITA3b Summer Adult 40 & Over · NITA Summer Adult 40 & Over 3.5 Women · 40+
2021
NITA S 40W40f Five Star (Yaeger/Lyons)
2021 NITA3b Summer Adult 40 & Over · NITA Summer Adult 40 & Over 4.0 Women · 40+
2021
NITA S 65CWb Five Star (Delgrosso)
2021 NITA3g Summer Combo · 6.5 Summer Women
2021
NITA S 75CWf Five Star (Delgrosso)
2021 NITA3g Summer Combo · 7.5 Summer Women
2021
NITA W 35W40d Five Star (Delgrosso)
2021 NITA2b Winter Adult 40 & Over · NITA Winter 40 & Over 3.5 Women · 40+
2021
NITA W 65CWa Five Star (Delgrosso)
2021 NITA2g Winter Combo · NITA Winter 6.5 Combo Women
2021
NITA W 75CWd Five Star (Delgrosso)
2021 NITA2g Winter Combo · NITA Winter 7.5 Combo Women
2021
NITA E 40W18a 5 Star (Cassidy)
2020 NITA1 ESL Adult 18 & Over · NITA ESL 18 & Over 4.0 Women · 18+
2020
NITA E 40W40b 5 Star (Cassidy)
2020 NITA1 ESL Adult 40 & Over · NITA ESL 40 & Over 4.0 Women · 40+
2020
NITA F 65CWd Five Star (Delgrosso)
2020 NITA4 Fall Combo · NITA Fall 6.5 Combo Women
2020
NITA W 35W40b Five Star (Delgrosso)
2020 NITA2 Winter Adult 40 & Over · NITA Winter 40 & Over 3.5 Women · 40+
2020
NITA W 65CWa Five Star (Delgrosso)
2020 NITA2 Winterz Combo · NITA Winter 6.5 Combo Women
2020
NITA E 35W40c Five Star (Delgrosso)
2019 NITA1 ESL Adult 40 & Over · NITA ESL 40 & Over 3.5 Women · 40+
2019
NITA E 40W18f Five Star (Endress/Paperiello)
2019 NITA1 ESL Adult 18 & Over · NITA ESL 18 & Over 4.0 Women · 18+
2019
NITA E 80MX18c Five Star (O'Malley)
2019 NITA1 ESL Mixed 18 & Over · NITA ESL 18 & Over 8.0 Mixed · 18+
2019
NITA F 65CWe 5 Star (Delgrosso)
2019 NITA4 Fall Combo · 2019 NITA F 6.5 Combo Women
2019
NITA S 35W40d Five Star (Delgrosso)
2019 NITA3 Summer Adult 40 & Over · NITA Summer Adult 40 & Over 3.5 Women · 40+
2019
NITA S 40W18c Five Star (Nelson)
2019 NITA3 Summer Adult 18 & Over · NITA Summer Adult 18 & Over 4.0 Women · 18+
2019
NITA W 40W18d Five Star (Endress/Nelson)
2019 NITA2 Winter Adult 18 & Over · NITA Winter 18 & Over 4.0 Women · 18+
2019
NITA W 75CWb Five Star (Delgrosso/Endress)
2019 NITA2 Winterz Combo · 7.5 Winter Women NITA
2019
Over timerating by season, and how you rank
By level5 levels played
3.5
28.8%
17W–42L · 38.3% of games
4.0
16.7%
3W–15L · 30.7% of games
6.5
43.2%
16W–21L · 46.9% of games
7.5
43.8%
7W–9L · 42.4% of games
8.0mixed
0%
0W–4L · 15.8% of games

Games won matters more than matches won — NTRP adjusts on margins.

By lineusually #2 Doubles, 42% of the time
#2 Doubles
42%
56 matches
#3 Doubles
37%
50 matches
#1 Doubles
16%
22 matches
#1 Singles
5%
6 matches

How often, across every team and every match we hold — including ones that do not count toward a rating. Advanced stats has a court-position table too, and it answers a different question: how well you do there, over matches that count. A team’s own page shows how that one team uses you.

Not affiliated with or endorsed by the USTA. Ratings labelled as published are USTA year-end figures; anything we describe as an estimate is ours, not USTA’s. Match data is from USTA TennisLink.

I don’t want to be somebody else. I want to be myself and win in my way.
Rafael Nadal