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Andrew Grumhaus

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Boulder, CO
3.5C year-end 2025
i
Computer — generated by the USTA algorithm from match play
41 matches · 13W–28L · seasons 2017–2026
Match history41 matches
W
2026-07-14 · MEA GREEN · #3 Doubles · 3.5 · with Sean Prescott
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6-2, 6-0
L
2026-07-07 · MEA GREEN · #1 Doubles · 3.5 · with Andy Pobywajlo
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0-6, 3-6
L
2026-06-30 · MEA GREEN · #1 Doubles · 3.5 · with Danny Wages
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0-6, 2-6
L
2026-06-23 · MEA GREEN · #1 Doubles · 3.5 · with Randolph Dunbar
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7-6, 2-6, 0-1
L
2026-06-02 · MEA GREEN · #2 Doubles · 3.5 · with William Fry
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2-6, 2-6
L
2026-05-19 · MEA NAVY · #3 Doubles · 3.5 · with Andy Pobywajlo
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6-4, 6-7, 0-1
L
2026-05-05 · MEA NAVY · #3 Doubles · 3.5 · with William Sivy
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3-6, 3-6
L
2026-04-28 · MEA NAVY · #2 Doubles · 3.5 · with Steve Craig
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1-6, 6-7
W
2026-04-21 · MEA NAVY · #1 Doubles · 3.5 · with John Ruder
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6-4, 6-3
L
2025-07-01 · MEA BLUE · #1 Doubles · 3.5 · with Chris Gray
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5-7, 6-1, 0-1
L
2025-06-01 · MEA GREEN · #2 Doubles · 3.5 · with Randolph Dunbar
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6-2, 2-6, 0-1
L
2025-05-20 · MEA GREEN · #2 Doubles · 3.5 · with William Sivy
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5-7, 2-6
Where you rank locallyagainst everyone at your level
Teams11 teams · 2019–2026
Over timerating by season, and how you rank
By level1 level played
3.5
27%
10W–27L · 44% of games

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

By lineusually #2 Doubles, 32% of the time
#2 Doubles
32%
13 matches
#1 Doubles
29%
12 matches
#3 Doubles
24%
10 matches
Singles
10%
4 matches
#2 Singles
5%
2 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.

Champions keep playing until they get it right.
Billie Jean King