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Jason Chamberlain

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Baltimore, MD
3.5S year-end 2026
i
Self-rated, or a medical appeal
13 matches · 5W–8L · seasons 2019–2026
Match history13 matches
L
2026-08-21 · Foehrkolb 40+3.5 · #1 Doubles · 3.5 · with Kevin Foehrkolb championship
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7-5, 6-7, 0-1
L
2026-08-21 · Foehrkolb 40+3.5 · #1 Doubles · 3.5 · with Jon Roll championship
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3-6, 0-6
L
2026-07-30 · Foehrkolb 40+3.5 · #2 Doubles · 3.5 · with George Sybert
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2-6, 4-6
L
2026-07-24 · Foehrkolb 40+3.5 · #2 Doubles · 3.5 · with Rongfeng Li
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0-6, 1-6
L
2026-07-19 · Foehrkolb 18+ 3.5 · #2 Doubles · 3.5 · with Joe Deleon championship
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0-6, 2-6
W
2026-07-19 · Foehrkolb 18+ 3.5 · #3 Doubles · 3.5 · with Oliver Crain championship
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4-6, 6-4, 1-0
W
2026-05-02 · Foehrkolb 18+ 3.5 · #1 Doubles · 3.5 · with Joe Deleon
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6-3, 7-6
W
2026-04-25 · Foehrkolb 18+ 3.5 · #2 Doubles · 3.5 · with Chris Miller
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6-4, 6-3
W
2026-04-18 · Foehrkolb 18+ 3.5 · #3 Doubles · 3.5 · with Oliver Crain
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6-1, 3-6, 1-0
W
2019-07-15 · #2 Doubles · 3.5 · with Todd Feuerman
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6-3, 4-6, 1-0
L
2019-07-09 · #3 Doubles · 3.5 · with Sean Balser
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2-6, 4-6
L
2019-06-30 · #3 Doubles · 3.5 · with Todd Feuerman
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6-3, 2-6, 0-1
Where you rank locallyagainst everyone at your level
Teams2 teams · 2026–2026
Over timerating by season, and how you rank
By level1 level played
3.5
38.5%
5W–8L · 43.4% of games

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

By lineusually #2 Doubles, 39% of the time
#2 Doubles
39%
5 matches
#3 Doubles
39%
5 matches
#1 Doubles
23%
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.

Pressure is a privilege.
Billie Jean King