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Julie Korsog

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Jacksonville, FL
3.5C year-end 2025
i
Computer — generated by the USTA algorithm from match play
187 matches · 114W–73L · seasons 2019–2026
Match history187 matches
L
2025-12-05 · #1 Doubles · 3.5 · with Jill Gray championship
loading the estimate
4-6, 6-3, 0-1
L
2025-09-13 · Deercreek CC Phillips · #2 Doubles · 6.5 · with Karen Sayre
loading the estimate
5-7, 6-4, 0-1
L
2025-09-06 · Deercreek CC Phillips · #2 Doubles · 6.5 · with Karen Sayre
loading the estimate
1-6, 3-6
L
2025-07-19 · Deercreek CC Phillips · #1 Doubles · 6.5 · with Ceci Hassan
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7-6, 0-6, 0-1
W
2025-07-16 · Duval/Andersen/18&OverTL3.5W · #1 Doubles · 3.5 · with Jill Gray
loading the estimate
6-4, 6-0
W
2025-06-25 · Duval/Andersen/18&OverTL3.5W · #1 Doubles · 3.5 · with Jill Gray
loading the estimate
4-6, 6-2, 1-0
L
2025-06-21 · Deercreek - Eliason · #3 Doubles · 3.5 · with Stacy Turner
loading the estimate
3-6, 6-7
L
2025-06-07 · Deercreek - Eliason · #2 Doubles · 3.5 · with Ceci Hassan
loading the estimate
2-6, 4-6
L
2025-06-04 · Duval/Andersen/18&OverTL3.5W · #1 Doubles · 3.5 · with Jill Gray
loading the estimate
3-6, 6-2, 0-1
L
2025-05-17 · Deercreek - Eliason · #1 Doubles · 3.5 · with Domenique Iannarelli
loading the estimate
6-7, 6-4, 0-1
W
2025-05-02 · Deercreek - Olson · #3 Doubles · 6.0 · with Amit Vijapura mixed
doesn’t count toward your NTRP rating
6-1, 6-1
W
2025-04-26 · Deercreek - Eliason · #2 Doubles · 3.5 · with Angela Stringfellow
loading the estimate
6-7, 6-2, 1-0
Where you rank locallyagainst everyone at your level
Teams39 teams · 2019–2025
Deercreek - Eliason
2025 Duval Adult 40 & Over - Women · 3.5 Adult 40 & Over · 40+
2025
Deercreek - Eliason
2025 Duval Adult 18 & Over - Women · 3.5 Adult 18 & Over - Women · 18+
2025
Deercreek - Olson
2025 Duval Mixed 40 & Over · 6.0 Mixed 40 & Over · 40+
2025
Deercreek - Olson
2025 Duval Mixed 18 & Over · 6.0 Mixed 18 & Over · 18+
2025
Deercreek CC Phillips
2025 Duval Combo 18 & Over - Summer Weekend · 6.5 W Saturday · 18+
2025
Duval/Andersen/18&OverTL3.5W
2025 Duval Trilevel 18 & Over Women - Summer · 3.5/3.0/2.5 (Wednesday) · 18+
2025
Deercreek - Boyle
2024 Duval Adult 40 & Over - Women · 3.5 Adult 40 & Over · 40+
2024
Deercreek - Olson
2024 Duval Mixed 18 & Over · 6.0 Mixed 18 & Over · 18+
2024
Durbin Crossing - Andersen
2024 Duval Trilevel 18 & Over Women - Summer · 3.5/3.0/2.5 Wednesdays · 18+
2024
St. Johns Golf & CC - Kurtz
2024 Duval Trilevel 18 & Over Women - Summer · 4.0/3.5/3.0 Thursdays · 18+
2024
The Yards - Johnson
2024 Duval Adult 18 & Over - Women · 3.5 Adult 18 & Over - Women · 18+
2024
Baymeadows - Andersen
2023 Duval Adult 18 & Over - Women · 3.0 Adult 18 & Over - Women · 18+
2023
Deercreek - Olson
2023 Duval Mixed 40 & Over · 6.0 Mixed 40 & Over · 40+
2023
Deercreek - Schumacher
2023 Duval Adult 40 & Over - Women · 3.5 Adult 40 & Over · 40+
2023
Durbin Crossing - Andersen
2023 Duval Trilevel Women · 3.5/3.0/2.5 W
2023
Florida/Daechsel/55&Over6.0W
2023 Duval Adult 55 & Over - Women Winter · 6.0 Adult 55 & Over Winter · 55+
2023
St. Johns Golf & CC - Kurtz
2023 Duval Trilevel Women · 4.0/3.5/3.0 W
2023
St. Johns Golf & CC - Kurtz
2023 Duval Adult 40 & Over - Women · 3.0 Adult 40 & Over · 40+
2023
DUVAL - Deercreek - King
2022 Duval Adult 55 & Over - Women Winter · 6.0 Adult 55 & Over Winter · 55+
2022
DUVAL - Deercreek - Korsog
2022 Duval Adult 40 & Over - Women · 3.0 Adult 40 & Over · 40+
2022
DUVAL/Korsog - Deercreek
2022 Duval Adult 18 & Over - Women · 3.0 Adult 18 & Over - Women · 18+
2022
Deercreek - Korsog
2022 Duval Mixed 18 & Over · 6.0 Mixed 18 & Over · 18+
2022
Deercreek - Mosteller
2022 Duval Combo 18 & Over - Summer · Women 5.5 · 18+
2022
Duval - Deercreek - Korsog
2022 Duval Mixed 40 & Over · 6.0 Mixed 40 & Over · 40+
2022
Deercreek - King
2021 Duval Adult 55 & Over - Women · 6.0 Adult 55 & Over · 55+
2021
Deercreek - Korsog
2021 Duval Adult 40 & Over - Women · 3.0 Adult 40 & Over · 40+
2021
Deercreek - Korsog
2021 Duval Trilevel Women · 3.5 / 3.0 / 2.5
2021
Deercreek - Korsog
2021 Duval Combo 18 & Over · Spring / 5.5 Women · 18+
2021
Deercreek - Korsog
2021 Duval Adult 18 & Over - Women · 3.0 Adult 18 & Over - Women · 18+
2021
Deercreek - Korsog
2021 Duval Combo 18 & Over · Summer / Women 6.5 · 18+
2021
Deercreek - Korsog
2021 Duval Mixed 40 & Over · 6.0 Mixed 40 & Over · 40+
2021
Deercreek - Korsog
2021 Duval Mixed 18 & Over · 6.0 Mixed 18 & Over · 18+
2021
DUVAL - Southside Warriors (at Deercreek) - Korsog
2020 Duval Mixed 40 & Over · 6.0 Mixed 40 & Over · 40+
2020
Deercreek - Korsog
2020 Duval Adult 18 & Over - Women · 3.0 Adult 18 & Over - Women · 18+
2020
Deerwood - Birdsong
2020 Duval Adult 40 & Over - Women · 3.0 Adult 40 & Over · 40+
2020
Deerwood Country Club/ Birdsong
2019 Duval Trilevel Women · 2.5/3.0/3.5 Division
2019
Deerwood/ Birdsong
2019 Duval Adult 40 & Over - Women · 3.0 Adult 40 & Over · 40+
2019
Deerwood/ Delaney
2019 Duval Adult 18 & Over - Women · 3.0 Adult 18 & Over - Women · 18+
2019
Deerwood/ Korsog
2019 Duval Combo 18 & Over · 5.5 Women · 18+
2019
Over timerating by season, and how you rank
By level7 levels played
2.5
1W–1L
not enough matches yet
3.0
77.5%
55W–16L · 58% of games
3.5
22.2%
8W–28L · 43.1% of games
5.5
66.7%
8W–4L · 55.4% of games
6.0
81%
17W–4L · 63.4% of games
6.5
22.2%
2W–7L · 44.2% of games
6.0mixed
63.9%
23W–13L · 55% of games

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

By lineusually #2 Doubles, 39% of the time
#2 Doubles
39%
73 matches
#1 Doubles
35%
66 matches
#3 Doubles
22%
41 matches
#1 Singles
3%
5 matches
#2 Singles
1%
2 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.

Tennis is mostly mental. You win or lose the match before you even go out there.
Venus Williams