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Jon Porkka

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Osterville, MA
3.5C year-end 2025
i
Computer — generated by the USTA algorithm from match play
69 matches · 26W–43L · seasons 2018–2026
Match history69 matches
L
2026-06-30 · SES:Harrris · #3 Doubles · 7.0 · with Lisa Magelaner mixed
doesn’t count toward your NTRP rating
0-6, 2-6
L
2026-06-20 · MCAC:Pernick · #3 Doubles · 7.0 · with Charles Mueller
loading the estimate
1-6, 2-6
L
2026-06-13 · MCAC:Pernick · #3 Doubles · 7.0 · with Stephen Fox
loading the estimate
5-7, 3-6
L
2026-05-26 · SES:Harrris · #3 Doubles · 7.0 · with Andrea Mullin mixed
doesn’t count toward your NTRP rating
1-6, 3-6
L
2025-07-26 · Sesuit:Healey · #2 Doubles · 7.0 · with James Ballway
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.
6-4, 0-6, 0-1
L
2025-07-12 · Sesuit:Healey · #3 Doubles · 7.0 · with Charles Mueller
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.
2-6, 3-6
L
2025-06-14 · Sesuit:Healey · #3 Doubles · 7.0 · with Charles Mueller
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
L
2025-05-10 · Sesuit:Healey · #3 Doubles · 7.0 · with Irving Epstein
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.
1-6, 1-6
L
2024-08-13 · Sesuit:Kenny:Kenny/Napoli · #2 Doubles · 7.0 · with Antonia Kenny mixed
doesn’t count toward your NTRP rating
2-6, 0-6
L
2024-07-23 · Sesuit:Kenny:Kenny/Napoli · #3 Doubles · 7.0 · with Kelly ORourke mixed
doesn’t count toward your NTRP rating
2-6, 6-4, 0-1
W
2024-07-09 · Sesuit:Kenny:Kenny/Napoli · #3 Doubles · 7.0 · with Laura Leveille mixed
doesn’t count toward your NTRP rating
6-3, 6-3
L
2024-07-06 · MCAC:Majewski:Majewski · #3 Doubles · 7.0 · with Tom Scotten
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.
5-7, 2-6
Where you rank locallyagainst everyone at your level
Teams24 teams · 2019–2026
Over timerating by season, and how you rank
By level5 levels played
7.0
10.5%
2W–17L · 32.6% of games
8.0
50%
2W–2L · 45.1% of games
6.0mixed
70%
7W–3L · 57% of games
7.0mixed
41.2%
14W–20L · 44.4% of games
8.0mixed
1W–1L
not enough matches yet

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

By lineusually #3 Doubles, 55% of the time
#3 Doubles
55%
38 matches
#2 Doubles
33%
23 matches
#1 Doubles
12%
8 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.

It’s one of the reasons why I like tennis so much. Because you have to figure it out on your own.
Roger Federer