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Jason Grunberg

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Raleigh, NC
4.0C year-end 2025
i
Computer — generated by the USTA algorithm from match play
66 matches · 31W–35L · seasons 2021–2026
Match history66 matches
L
2026-09-27 · St.Wingo18C · #2 Doubles · 7.5 · with Nathan Pool
doesn’t count toward your NTRP rating
6-2, 2-6, 0-1
L
2026-09-13 · St.Wingo18C · #3 Doubles · 7.5 · with West Ludwig
doesn’t count toward your NTRP rating
6-7, 4-6
L
2026-08-30 · St.Wingo18C · #2 Doubles · 7.5 · with West Ludwig
doesn’t count toward your NTRP rating
2-6, 4-6
L
2026-07-29 · Da.Breazeale40S · #3 Singles · 4.0
loading the estimate
6-4, 6-7, 0-1
W
2026-07-28 · We.Dyke18T · #2 Doubles · 4.0 · with J Barnes Stephenson
loading the estimate
4-6, 7-5, 1-0
L
2026-07-11 · Br.Aron18S · #2 Singles · 4.5
loading the estimate
1-6, 2-6
W
2026-07-01 · Da.Breazeale40S · #1 Singles · 4.0
loading the estimate
6-1, 7-6
L
2026-06-26 · Br.Aron18S · #3 Singles · 4.5
loading the estimate
1-6, 0-6
L
2026-06-24 · Da.Breazeale40S · #1 Singles · 4.0
loading the estimate
1-6, 6-7
L
2026-06-16 · We.Dyke18T · #2 Doubles · 4.0 · with Matt Shait
loading the estimate
4-6, 6-2, 0-1
L
2026-06-06 · Br.Aron18S · #3 Singles · 4.5
loading the estimate
1-6, 6-7
L
2026-06-03 · Br.Aron18S · #3 Singles · 4.5
loading the estimate
3-6, 0-6
Where you rank locallyagainst everyone at your level
Teams22 teams · 2021–2026
Over timerating by season, and how you rank
By level8 levels played
2.5
1W–2L
not enough matches yet
3.0
1W–0L
not enough matches yet
4.0
59.5%
22W–15L · 53.7% of games
4.5
0%
0W–4L · 22.2% of games
7.5
25%
3W–9L · 44.5% of games
4.0mixed
0W–3L
not enough matches yet
7.0mixed
75%
3W–1L · 52.4% of games
8.0mixed
1W–1L
not enough matches yet

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

By lineusually #1 Singles, 35% of the time
#1 Singles
35%
23 matches
#1 Doubles
20%
13 matches
#2 Doubles
18%
12 matches
#3 Doubles
15%
10 matches
#2 Singles
6%
4 matches
#3 Singles
6%
4 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 a perfect combination of violent action taking place in an atmosphere of total tranquillity.
Billie Jean King