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Justin Groenewold

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DENVER, CO
4.5C year-end 2025
i
Computer — generated by the USTA algorithm from match play
33 matches · 15W–18L · seasons 2021–2025

USTA moved this player up a level mid-season in 2021. A published rating does not change until the end of the year, so the level shown above can be behind what USTA has already decided.

Match history33 matches
W
2025-06-02 · GTC BLACK · #1 Singles · 4.0
loading the estimate
6-2, 6-3
W
2025-05-20 · GTC BLACK · #1 Singles · 4.0
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6-2, 6-1
W
2025-05-07 · GTC BLACK · #1 Singles · 4.0
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6-3, 6-7, 1-0
W
2025-05-04 · GTC BLACK · #1 Singles · 4.0
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6-2, 6-2
L
2025-04-23 · GTC BLACK · #1 Singles · 4.0
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6-1, 4-6, 0-1
W
2025-04-16 · GTC BLACK · #1 Singles · 4.0
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6-0, 6-3
L
2023-05-07 · KG 18+ 4.5 · #1 Doubles · 4.5 · with David Trang
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2-6, 1-6
L
Curtis Cavey / Bennett Sweren
2023-04-23 · KG 18+ 4.5 · #1 Doubles · 4.5 · with Amir Moinfar
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2-6, 6-4, 0-1
L
2023-02-26 · Team Trang · #1 Doubles · 4.5 · with Michael Erdely
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4-6, 4-6
L
2023-02-05 · Team Trang · #2 Singles · 4.5
loading the estimate
2-6, 1-6
L
2022-09-20 · Off the Wheel 8.5 · #2 Doubles · 8.5 · with Jill Rose mixed
doesn’t count toward your NTRP rating
4-6, 4-6
L
2022-08-20 · Off the Wheel 8.5 · #2 Doubles · 8.5 · with Christine Alewine mixed
doesn’t count toward your NTRP rating
2-6, 1-6
Where you rank locallyagainst everyone at your level
Teams11 teams · 2021–2025
Over timerating by season, and how you rank
By level5 levels played
4.0
90.9%
10W–1L · 67.9% of games
4.5
16.7%
2W–10L · 39.8% of games
7.0mixed
1W–1L
not enough matches yet
8.0mixed
40%
2W–3L · 48.2% of games
8.5mixed
0W–3L
not enough matches yet

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

By lineusually #2 Doubles, 33% of the time
#2 Doubles
33%
11 matches
#1 Singles
30%
10 matches
#1 Doubles
15%
5 matches
#3 Doubles
12%
4 matches
#2 Singles
9%
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