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Dex Yamanashi

Torrance, CA
4.0C year-end 2025
i
Computer — generated by the USTA algorithm from match play
82 matches · 44W–38L · seasons 20192026

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Match history82 matches
L
2026-08-22 · BC-ErnieHowlett/TakTakeda8.0 · #1 Doubles · 8.0 · with Reiko Sasagawa
doesn’t count toward your NTRP rating
2-6, 6-7
L
2026-08-08 · BC-ErnieHowlett/TakTakeda8.0 · #1 Doubles · 8.0 · with Ashlee Sato
doesn’t count toward your NTRP rating
2-6, 2-6
L
2026-07-25 · BC-ErnieHowlett/TakTakeda8.0 · #2 Doubles · 8.0 · with Riho Nakano
doesn’t count toward your NTRP rating
5-7, 2-6
W
Ruedeemard Odanaka / Michael Morganmixed
2026-07-11 · BC-ErnieHowlett/TakTakeda8.0 · #1 Doubles · 8.0 · with Riho Nakano
doesn’t count toward your NTRP rating
4-6, 6-3, 1-0
L
Derek Berz
2026-06-06 · BC-ErnieHowlett/JunichiYamayoshi4.0 · #2 Singles · 4.0
expectation pending — we’re still fetching an opponent’s record
1-6, 1-6
L
2026-05-30 · BC-ErnieHowlett/JunichiYamayoshi4.0 · #2 Doubles · 4.0 · with Justin Truong
expectation pending — we’re still fetching an opponent’s record
1-6, 0-6
W
David Cheng / Kenneth Park
2026-05-23 · BC-ErnieHowlett/JunichiYamayoshi4.0 · #1 Doubles · 4.0 · with Katsuya Ishimaru
expectation pending — we’re still fetching an opponent’s record
6-4, 3-6, 1-0
W
Edward Schuh / Taka Shimazu
2026-05-02 · BC-ErnieHowlett/JunichiYamayoshi4.0 · #2 Doubles · 4.0 · with HAYATO NISHIGUCHI
expectation pending — we’re still fetching an opponent’s record
6-2, 6-4
L
2026-04-25 · BC-ErnieHowlett/JunichiYamayoshi4.0 · #2 Doubles · 4.0 · with Aki Mogi
expectation pending — we’re still fetching an opponent’s record
6-2, 6-7, 0-1
L
Scott Kebschull / Eric VanderPloeg
2026-04-18 · BC-ErnieHowlett/JunichiYamayoshi4.0 · #1 Doubles · 4.0 · with Takahiro Ohara
expectation pending — we’re still fetching an opponent’s record
2-6, 6-4, 0-1
L
Wes Chien Nguyen / Isam Ammari
2026-04-04 · BC-ErnieHowlett/JunichiYamayoshi4.0 · #1 Doubles · 4.0 · with Justin Truong
expectation pending — we’re still fetching an opponent’s record
4-6, 6-4, 0-1
W
2026-03-15 · LA - Back in Black · #2 Doubles · 8.0 · with Kate Horiuchi
expectation pending — we’re still fetching an opponent’s record
6-3, 6-1
Where you rank locallyagainst everyone at your level
Teams26 teams · 2023–2026
Over timerating by season, and how you rank
By level6 levels played
4.0
50.8%
31W–30L · 50.2% of games
4.5
1W–0L
not enough matches yet
5.0
1W–1L
not enough matches yet
8.0
3W–0L
not enough matches yet
7.0mixed
2W–0L
not enough matches yet
8.0mixed
44.4%
4W–5L · 47.2% of games

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

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.

Champions keep playing until they get it right.
Billie Jean King