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Nathan Grobbel

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Birmingham, MI
4.0C year-end 2025
i
Computer — generated by the USTA algorithm from match play
25 matches · 10W–15L · seasons 2024–2026
Match history25 matches
L
2026-10-23 · #2 Doubles · with Miles Uhlar
doesn’t count toward your NTRP rating
1-6, 5-7
W
2026-10-11 · #2 Doubles · with Koji Yanagisawa
doesn’t count toward your NTRP rating
6-2, 6-2
W
2026-08-02 · OHCC-Keranen 18s 8.0X F · #1 Doubles · 8.0 · with Jade Horcoff mixed
doesn’t count toward your NTRP rating
1-6, 7-6, 1-0
W
2026-06-26 · OHCC-Keranen 18s 8.0X F · #2 Doubles · 8.0 · with Helen Cleary mixed
doesn’t count toward your NTRP rating
2-6, 7-6, 1-0
L
2026-06-16 · BT-Rosen 18s 4.0M F3 · #1 Doubles · 4.0 · with Frank Salzeider
loading the estimate
7-5, 3-6, 0-1
L
2026-06-12 · OHCC-Keranen 18s 8.0X F · #1 Doubles · 8.0 · with Jade Horcoff mixed
doesn’t count toward your NTRP rating
5-7, 4-6
W
2026-06-05 · OHCC-Keranen 18s 8.0X F · #2 Doubles · 8.0 · with Ashley Buechner mixed
doesn’t count toward your NTRP rating
7-5, 6-4
W
2026-06-03 · BT-Rosen 18s 4.0M F3 · #3 Doubles · 4.0 · with Jordan Long
loading the estimate
6-4, 6-4
L
2026-05-19 · BT-Rosen 18s 4.0M F3 · #2 Singles · 4.0
loading the estimate
1-6, 4-6
L
2025-07-23 · 4BEV-UHLAR 45M WE 18&O SEM F2 · #1 Singles · 4.5
loading the estimate
6-2, 1-6, 0-1
L
2025-07-16 · 4BEV-UHLAR 45M WE 18&O SEM F2 · #3 Doubles · 4.5 · with Jasper van der Bruggen
loading the estimate
0-6, 2-6
L
2025-07-11 · 6OHCC-KERANEN 80MIX 18&O SEM F1 · #3 Doubles · 8.0 · with Melony Petrovich mixed
doesn’t count toward your NTRP rating
4-6, 3-6
Where you rank locallyagainst everyone at your level
Teams10 teams · 2024–2026
Over timerating by season, and how you rank
By level3 levels played
4.0
50%
3W–3L · 50.4% of games
4.5
0%
0W–7L · 36.4% of games
8.0mixed
60%
6W–4L · 48.1% of games

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

By lineusually #2 Doubles, 28% of the time
#2 Doubles
28%
7 matches
#1 Doubles
24%
6 matches
#3 Doubles
24%
6 matches
#2 Singles
20%
5 matches
#1 Singles
4%
1 match

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.

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Billie Jean King