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Jason Kobata

Kailua, HI
4.0S year-end 2025
i
Self-rated, or a medical appeal
89 matches · 47W–42L · seasons 2019–2026

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Match history89 matches
W
2026-08-01 · KPR 40+ · #1 Doubles · 8.0 · with Laura Merrifield mixed
doesn’t count toward your NTRP rating
6-3, 2-6, 1-0
W
N/A
2026-08-01 · Warriors and Rainbows · #3 Doubles · 7.0 · with Carol Hasegawa mixed
doesn’t count toward your NTRP rating
6-0, 6-0
W
2026-07-04 · KPR 40+ · #3 Doubles · 8.0 · with Yukie O Brewer mixed
doesn’t count toward your NTRP rating
6-1, 6-2
L
2026-06-27 · KPR 40+ · #1 Doubles · 8.0 · with Yukie O Brewer mixed
doesn’t count toward your NTRP rating
1-6, 2-6
L
2026-06-14 · KPR 40+ · #1 Doubles · 8.0 · with Laura Merrifield mixed
doesn’t count toward your NTRP rating
7-6, 4-6, 1-0
L
2026-05-31 · Warriors and Rainbows · #1 Doubles · 7.0 · with Carol Hasegawa mixed
doesn’t count toward your NTRP rating
7-5, 1-6, 0-1
L
2026-05-25 · #4 Doubles · with Bao Nguyen championship
expectation pending — we’re still fetching an opponent’s record
6-8
W
2026-05-24 · Warriors and Rainbows · #1 Doubles · 7.0 · with Holly Sung mixed
doesn’t count toward your NTRP rating
7-6, 5-7, 1-0
L
2026-05-17 · KPR 40+ · #1 Doubles · 8.0 · with Yukie O Brewer mixed
doesn’t count toward your NTRP rating
3-6, 1-6
W
2026-05-17 · Warriors and Rainbows · #1 Doubles · 7.0 · with Holly Sung mixed
doesn’t count toward your NTRP rating
6-0, 6-2
W
2026-05-02 · never tell me the odds · #3 Doubles · 4.0 · with Jerry Siu
expectation pending — we’re still fetching an opponent’s record
6-2, 6-3
L
2026-03-29 · #1 Doubles · with Winnieann Nishimiya championship
expectation pending — we’re still fetching an opponent’s record
3-6, 0-6
Where you rank locallyagainst everyone at your level
Teams29 teams · 2020–2026
Over timerating by season, and how you rank
By level5 levels played
4.0
100%
5W–0L · 77.2% of games
7.0
25%
1W–3L · 47.1% of games
8.0
50%
5W–5L · 41.9% of games
7.0mixed
79.2%
19W–5L · 63.2% of games
8.0mixed
39.5%
17W–26L · 47.8% of games

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

By lineusually #1 Doubles, 40% of the time
#1 Doubles
40%
36 matches
#2 Doubles
24%
21 matches
#3 Doubles
18%
16 matches
#1 Mixed Doubles
9%
8 matches
#1 Male Doubles
7%
6 matches
#4 Doubles
2%
2 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.

The mark of great sportsmen is not how good they are at their best, but how good they are at their worst.
Martina Navratilova