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John Hartmann

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VAN NUYS, CA
3.5M year-end 2025
i
Mixed Exclusive — this player’s rating comes only from mixed play
4 matches · 1W–3L · seasons 2025–2025
Match history4 matches
L
2025-11-08 · SFV-San Fernando Volley/Carrithers & Heath · #2 Doubles · 7.0 · with Margery Teller mixed
no estimate for this season
i
Our model did not follow this player through that season: none of their matches that season carried an individual NTRP level (55 & Over and combo leagues are rated on combined levels), so it had nothing to start from. The match still counts toward the USTA rating.
0-6, 0-6
W
2025-11-02 · SFV-San Fernando Volley/Carrithers & Heath · #2 Doubles · 7.0 · with Anita Spraggs mixed
no estimate for this season
i
Our model did not follow this player through that season: none of their matches that season carried an individual NTRP level (55 & Over and combo leagues are rated on combined levels), so it had nothing to start from. The match still counts toward the USTA rating.
6-3, 6-4
L
2025-10-19 · SFV-San Fernando Volley/Carrithers & Heath · #2 Doubles · 7.0 · with Margery Teller mixed
no estimate for this season
i
Our model did not follow this player through that season: none of their matches that season carried an individual NTRP level (55 & Over and combo leagues are rated on combined levels), so it had nothing to start from. The match still counts toward the USTA rating.
3-6, 1-6
L
2025-10-12 · SFV-San Fernando Volley/Carrithers & Heath · #3 Doubles · 7.0 · with Jady Vonderlieth mixed
no estimate for this season
i
Our model did not follow this player through that season: none of their matches that season carried an individual NTRP level (55 & Over and combo leagues are rated on combined levels), so it had nothing to start from. The match still counts toward the USTA rating.
4-6, 6-7
Where you rank locallyagainst everyone at your level
Teams1 team
Over timerating by season, and how you rank
By level1 level played
7.0mixed
25%
1W–3L · 37.1% of games

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

By lineusually #2 Doubles, 75% of the time
#2 Doubles
75%
3 matches
#3 Doubles
25%
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.

Experience is a big word. I think it comes with time, and I have that.
Serena Williams