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Sean O'Brien

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Boca Raton, FL
4.5C year-end 2025
i
Computer — generated by the USTA algorithm from match play
17 matches · 9W–8L · seasons 2023–2026
Match history17 matches
W
2026-06-13 · WH Ballines WSL A18-4.5M · #1 Doubles · 4.5 · with Corey Lager
loading the estimate
5-7, 6-4, 1-0
L
2026-06-12 · WH Ballines WSL A18-4.5M · #3 Doubles · 4.5 · with Christopher Lowry
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2-6, 1-6
W
Default
2026-03-14 · WH Ballines WSL A18-4.5M · #3 Doubles · 4.5 · with Dre Ballines
doesn’t count toward your NTRP rating
6-0, 6-0
W
2026-01-10 · WH Kwong FWL A18-4.5M · #2 Doubles · 4.5 · with Jon Hasper
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6-2, 6-0
L
2025-11-22 · WH Kwong FWL A18-4.5M · #1 Doubles · 4.5 · with Patrick Bruining
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4-6, 6-7
W
2025-11-15 · WH Kwong FWL A18-4.5M · #1 Doubles · 4.5 · with Patrick Bruining
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6-4, 7-6
W
2025-09-13 · WH Kwong FWL A18-4.5M · #2 Doubles · 4.5 · with Thomas Kwong
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6-4, 6-1
L
2025-06-14 · WH Kwong SSL A18-4.5M · #1 Doubles · 4.5 · with David Eagle
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3-6, 2-6
L
2025-05-10 · WH Kwong SSL A18-4.5M · #1 Doubles · 4.5 · with Patrick Bruining
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5-7, 3-6
L
2025-04-26 · WH Kwong SSL A18-4.5M · #1 Doubles · 4.5 · with Patrick Bruining
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6-4, 4-6, 0-1
W
2025-03-29 · WH Kwong SSL A18-4.5M · #3 Doubles · 4.5 · with Patrick Bruining
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6-2, 6-3
L
2025-02-01 · WH Kwong SSL A18-4.5M · #1 Doubles · 4.5 · with Thomas Kwong
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3-6, 2-6
Where you rank locallyagainst everyone at your level
Teams10 teams · 2023–2027
Over timerating by season, and how you rank
By level1 level played
4.5
52.9%
9W–8L · 51.8% of games

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

By lineusually #1 Doubles, 47% of the time
#1 Doubles
47%
8 matches
#2 Doubles
35%
6 matches
#3 Doubles
18%
3 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