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Jay Duker

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Newton Highlands, MA
3.5S year-end 2025
i
Self-rated, or a medical appeal
12 matches · 4W–8L · seasons 2021–2025
Match history12 matches
L
2025-10-10 · LFW:Net Gains:Demarco · #1 Doubles · 8.0 · with Irina Lidforss mixed
no estimate for this season
i
Our model did not follow this player through that season: none of their matches that season carried an individual NTRP level (55 & Over and combo leagues are rated on combined levels), so it had nothing to start from. The match still counts toward the USTA rating.
2-6, 6-7
W
2024-04-26 · LFW:Net Gains:DeMarco · #3 Doubles · 8.0 · with Melissa Parrish mixed
no estimate for this season
i
Our model did not follow this player through that season: none of their matches that season carried an individual NTRP level (55 & Over and combo leagues are rated on combined levels), so it had nothing to start from. The match still counts toward the USTA rating.
7-5, 6-2
L
Victor Suarez / Summer Quinn
2023-05-05 · LFW:Net Gains:DeMarco · #3 Doubles · 8.0 · with Irina Lidforss mixed
no estimate for this season
i
Our model did not follow this player through that season: none of their matches that season carried an individual NTRP level (55 & Over and combo leagues are rated on combined levels), so it had nothing to start from. The match still counts toward the USTA rating.
3-6, 6-1, 0-1
W
2023-02-24 · LFW:Net Gains:DeMarco · #3 Doubles · 8.0 · with Melissa Parrish mixed
no estimate for this season
i
Our model did not follow this player through that season: none of their matches that season carried an individual NTRP level (55 & Over and combo leagues are rated on combined levels), so it had nothing to start from. The match still counts toward the USTA rating.
7-6, 6-1
L
2023-02-10 · LFW:Net Gains:DeMarco · #2 Doubles · 8.0 · with Ariana McCormack mixed
no estimate for this season
i
Our model did not follow this player through that season: none of their matches that season carried an individual NTRP level (55 & Over and combo leagues are rated on combined levels), so it had nothing to start from. The match still counts toward the USTA rating.
1-6, 5-7
L
2021-11-19 · LAK:Lakeville Green:Wells · #3 Doubles · 7.0 · with Julie Starr-Duker mixed
no estimate for this season
i
Our model did not follow this player through that season: none of their matches that season carried an individual NTRP level (55 & Over and combo leagues are rated on combined levels), so it had nothing to start from. The match still counts toward the USTA rating.
1-6, 1-6
L
2021-10-22 · LAK:Lakeville Green:Wells · #3 Doubles · 7.0 · with Julie Starr-Duker mixed
no estimate for this season
i
Our model did not follow this player through that season: none of their matches that season carried an individual NTRP level (55 & Over and combo leagues are rated on combined levels), so it had nothing to start from. The match still counts toward the USTA rating.
7-5, 5-6, 0-1
W
2021-01-15 · MIT:OverServed;Feeney · #2 Doubles · 7.0 · with Julie Starr-Duker mixed
no estimate for this season
i
Our model did not follow this player through that season: none of their matches that season carried an individual NTRP level (55 & Over and combo leagues are rated on combined levels), so it had nothing to start from. The match still counts toward the USTA rating.
7-6, 6-7, 1-0
L
2020-12-11 · MIT:OverServed;Feeney · #2 Doubles · 7.0 · with Julie Starr-Duker mixed
no estimate for this season
i
Our model did not follow this player through that season: none of their matches that season carried an individual NTRP level (55 & Over and combo leagues are rated on combined levels), so it had nothing to start from. The match still counts toward the USTA rating.
2-6, 3-6
W
2020-12-04 · MIT:OverServed;Feeney · #2 Doubles · 7.0 · with Julie Starr-Duker mixed
no estimate for this season
i
Our model did not follow this player through that season: none of their matches that season carried an individual NTRP level (55 & Over and combo leagues are rated on combined levels), so it had nothing to start from. The match still counts toward the USTA rating.
6-2, 7-6
L
2020-11-20 · MIT:OverServed;Feeney · #2 Doubles · 7.0 · with Rebecca Hjort mixed
no estimate for this season
i
Our model did not follow this player through that season: none of their matches that season carried an individual NTRP level (55 & Over and combo leagues are rated on combined levels), so it had nothing to start from. The match still counts toward the USTA rating.
7-5, 1-6, 0-1
L
2020-09-25 · MIT:OverServed;Feeney · #3 Doubles · 7.0 · with Julie Starr-Duker mixed
no estimate for this season
i
Our model did not follow this player through that season: none of their matches that season carried an individual NTRP level (55 & Over and combo leagues are rated on combined levels), so it had nothing to start from. The match still counts toward the USTA rating.
2-6, 3-6
Where you rank locallyagainst everyone at your level
Teams8 teams · 2021–2027
Over timerating by season, and how you rank
By level2 levels played
7.0mixed
28.6%
2W–5L · 42.1% of games
8.0mixed
40%
2W–3L · 50.5% of games

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

By lineusually #3 Doubles, 50% of the time
#3 Doubles
50%
6 matches
#2 Doubles
42%
5 matches
#1 Doubles
8%
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.

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Billie Jean King