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Tarja Kostin

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Sun City Center, FL
4.0C year-end 2025
i
Computer — generated by the USTA algorithm from match play
107 matches · 56W–51L · seasons 2019–2025
Match history107 matches
L
2025-06-06 · Apollo Beach - K. Bryan · #2 Doubles · 4.0 · with Mary Alice Hillier
loading the estimate
4-6, 0-6
W
2025-05-16 · Apollo Beach - K. Bryan · #1 Doubles · 4.0 · with Mary Alice Hillier
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5-7, 6-4, 1-0
W
2025-05-09 · Apollo Beach - K. Bryan · #2 Doubles · 4.0 · with Mary Alice Hillier
loading the estimate
0-6, 6-1, 1-0
L
2025-05-06 · Apollo Beach - K. Bryan · #4 Doubles · 4.0 · with Mary Alice Hillier
loading the estimate
4-6, 3-6
L
2025-04-11 · Apollo Beach - K. Bryan · #2 Doubles · 4.0 · with Mary Beth Sultenfuss
loading the estimate
4-6, 4-6
W
2025-03-03 · Sun City - J. Hoffman · #1 Doubles · 8.0 · with Helene Kennedy-Peterson
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6-2
W
2025-02-22 · Apollo Beach - K. Bryan · #3 Doubles · 8.0 · with Susan Evans
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6-4, 6-4
L
2025-02-17 · Sun City - J. Hoffman · #1 Doubles · 8.0 · with Helene Kennedy-Peterson
loading the estimate
6-3, 2-6, 0-1
W
2025-02-10 · Sun City - J. Hoffman · #2 Doubles · 8.0 · with Linda Bacon
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6-3, 7-5
W
2025-02-03 · Sun City - J. Hoffman · #1 Doubles · 8.0 · with Linda Bacon
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6-0, 6-2
L
2025-01-27 · Sun City - J. Hoffman · #2 Doubles · 8.0 · with Zan Walter
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6-2, 3-6, 0-1
W
2025-01-20 · Sun City - J. Hoffman · #3 Doubles · 8.0 · with Helene Kennedy-Peterson
loading the estimate
4-6, 6-1, 1-0
Where you rank locallyagainst everyone at your level
Teams28 teams · 2019–2025
Apollo Beach - K. Bryan
2025 Hillsborough Adult 55 & Over · 8.0 Adult 55 & Over - Women · 55+
2025
Apollo Beach - K. Bryan
2025 Hillsborough Adult 40 & Over · 4.0 Adult 40 & Over Day - Women · 40+
2025
Apollo Beach - K. Bryan
2025 Hillsborough TriLevel 18 & Over · 4.0/3.5/3.0 Women · 18+
2025
Sun City - J. Hoffman
2025 Hillsborough Adult 65 & Over · 8.0 Adult 65 & Over - Women · 65+
2025
Hills/Greenlee/55&Over8.0W
2024 Hillsborough Adult 55 & Over · 8.0 Adult 55 & Over - Women · 55+
2024
Hills/Hoffman/65&Over8.0W
2024 Hillsborough Adult 65 & Over · 8.0 Adult 65 & Over - Women · 65+
2024
Apollo Beach - K. Bryan
2023 Hillsborough Adult 40 & Over · 4.0 Adult 40 & Over Day - Women · 40+
2023
Hills / L. Greenlee
2023 Hillsborough Adult 65 & Over · 8.0 Adult 65 & Over - Women · 65+
2023
Sun City - L. Greenlee
2023 Hillsborough Adult 55 & Over · 8.0 Adult 55 & Over - Women · 55+
2023
5 Deep Run Loos Strings
2022 Richmond Combo Weekend · Richmond Combo 8.5 Women
2022
5 Willow Oaks Blackwood
2022 Richmond Adult 18 & Over Weekend · Richmond Adult 18 & Over 4.5 Women · 18+
2022
RAIN-Raghavan
2022 Richmond Mixed 18 & Over Winter · Richmond Mixed 18 & Over 8.0 · 18+
2022
RAIN-Sinsabaugh
2022 Richmond Mixed 18 & Over Winter · Richmond Mixed 18 & Over 9.0 · 18+
2022
Raintree Fallin
2022 Richmond Adult 55 & Over Weeknight Women · Richmond Adult 55 & Over 8.0 Women · 55+
2022
Raintree McGarity
2022 Richmond Adult 18 & Over Weekday Women · Richmond Adult 18 & Over 4.5 Women · 18+
2022
Raintree Morris
2022 Richmond Tri-Level 18 & Over Weekday · Richmond Tri-Level 4.5, 4.0, 3.5 Weekday · 18+
2022
03 March
2021 Williamsburg Refund Holding Area · Refund Holding Area
2021
12 Raintree Ray
2021 Richmond Combo Mixed · Combo Mixed 8.5
2021
RAIN-Ray
2021 Richmond Mixed 18 & Over Winter · Richmond Mixed 18 & Over 9.0 · 18+
2021
Raintree McGarity
2021 Richmond Adult 18 & Over Weekday Women · Richmond Weekday Adult 18 & Over Women 4.5 · 18+
2021
Raintree Morris
2021 Richmond Tri-Level Weekday · Weekday Fri/Wed Women 4.5,4.0,3.5
2021
2 Belmont Berens
2020 Richmond Adult 18 & Over Weekend League · Richmond Adult 18 & Over 4.5 Women · 18+
2020
RAIN-Ray
2020 Richmond Mixed 18 & Over League, Winter · Richmond Mixed 18 & Over 9.0 · 18+
2020
Raintree Fallin
2020 Richmond Tri-Level League Weekday · 4.5/4.0/3.5 Weekday Women Fri
2020
Raintree McGarity
2020 Richmond Adult 18 & Over Weekday Women's League · Richmond Weekday Adult 18 & Over 4.5 Women · 18+
2020
1 Belmont Berens
2019 Richmond Adult 18 & Over Weekend League · Richmond Adult 18 & Over 4.5 Women · 18+
2019
RAIN-Ray
2019 Richmond Mixed 18 & Over League, Winter · Richmond Mixed 18 & Over 9.0 · 18+
2019
Raintree Greiner
2019 Richmond Adult 18 & Over Weekday Women's League · Richmond Weekday Adult 18 & Over 4.5 Women · 18+
2019
Over timerating by season, and how you rank
By level7 levels played
4.0
33.3%
3W–6L · 39.9% of games
4.5
60%
21W–14L · 52.6% of games
8.0
70.3%
26W–11L · 55.6% of games
8.5
1W–0L
not enough matches yet
8.0mixed
0W–2L
not enough matches yet
8.5mixed
0%
0W–4L · 33.8% of games
9.0mixed
23.5%
4W–13L · 37.1% of games

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

By lineusually #2 Doubles, 36% of the time
#2 Doubles
36%
38 matches
#1 Doubles
35%
37 matches
#3 Doubles
25%
27 matches
#2 Singles
2%
2 matches
Singles
2%
2 matches
#4 Doubles
1%
1 match

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.

You can get through anything if you keep going one point at a time.
Arthur Ashe