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Jay Duker

— year-end
12 matches · 4W–8L · seasons 2021–2026

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Match history12 matches
L
2025-10-10 · LFW:Net Gains:Demarco · #1 Doubles · 8.0 · with Irina Lidforss
doesn’t count toward your NTRP rating
2-6, 6-7
W
2024-04-26 · LFW:Net Gains:DeMarco · #3 Doubles · 8.0 · with Melissa Parrish
doesn’t count toward your NTRP rating
7-5, 6-2
L
Victor Suarez / Summer Quinnmixed
2023-05-05 · LFW:Net Gains:DeMarco · #3 Doubles · 8.0 · with Irina Lidforss
doesn’t count toward your NTRP rating
3-6, 6-1, 0-1
W
Jason Peterson / Arlene Iannellamixed
2023-02-24 · LFW:Net Gains:DeMarco · #3 Doubles · 8.0 · with Melissa Parrish
doesn’t count toward your NTRP rating
7-6, 6-1
L
2023-02-10 · LFW:Net Gains:DeMarco · #2 Doubles · 8.0 · with Ariana McCormack
doesn’t count toward your NTRP rating
1-6, 5-7
L
2021-11-19 · #3 Doubles · 7.0 · with Julie Starr-Duker
doesn’t count toward your NTRP rating
1-6, 1-6
L
Leonard MacKoul / Michelle Dwyermixed
2021-10-22 · #3 Doubles · 7.0 · with Julie Starr-Duker
doesn’t count toward your NTRP rating
5-7, 6-5, 1-0
W
2021-01-15 · #2 Doubles · 7.0 · with Julie Starr-Duker
doesn’t count toward your NTRP rating
7-6, 6-7, 1-0
L
2020-12-11 · #2 Doubles · 7.0 · with Julie Starr-Duker
doesn’t count toward your NTRP rating
2-6, 3-6
W
Mina McCarron / Shaun Mccarronmixed
2020-12-04 · #2 Doubles · 7.0 · with Julie Starr-Duker
doesn’t count toward your NTRP rating
6-2, 7-6
L
Nancy Delano / Clive Meadenmixed
2020-11-20 · #2 Doubles · 7.0 · with Rebecca Hjort
doesn’t count toward your NTRP rating
7-5, 1-6, 0-1
L
Lizzie Phillips / RICHARD PONDmixed
2020-09-25 · #3 Doubles · 7.0 · with Julie Starr-Duker
doesn’t count toward your NTRP rating
2-6, 3-6
Teams5 teams · 2023–2026
LFW:Net Gains:DeMarco
2026 EMA Mixed 18 & Over · 8.0 Mixed · 18+
2026
LFW:Net Gains:Demarco
2026 EMA Mixed 40 & Over · 8.0 Mixed · 40+
2026
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.

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