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Koichi Ishihara

Rancho Palos Verdes, CA
4.0C year-end 2025
i
Computer — generated by the USTA algorithm from match play
150 matches · 67W–83L · seasons 2019–2026

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Match history150 matches
W
2026-09-12 · BC-WestEnd/KennyLee4.0 · #1 Doubles · 4.0 · with Mickey Kim
expectation pending — we’re still fetching an opponent’s record
7-6, 6-4
L
2026-08-22 · BC-WestEnd/RogerKodani8.0 · #2 Doubles · 8.0 · with Becky McGilley mixed
doesn’t count toward your NTRP rating
1-6, 3-6
W
N/A
2026-08-08 · BC-WestEnd/RogerKodani8.0 · #1 Doubles · 8.0 · with Warunee Facter mixed
doesn’t count toward your NTRP rating
6-0, 6-0
W
2026-08-01 · BC-WestEnd/RogerKodani8.0 · #1 Doubles · 8.0 · with Becky McGilley mixed
doesn’t count toward your NTRP rating
6-4, 7-6
L
2026-07-25 · BC-WestEnd/RogerKodani8.0 · #2 Doubles · 8.0 · with Lisa Inomata-O'Connell mixed
doesn’t count toward your NTRP rating
4-6, 7-5, 0-1
L
2026-07-18 · #1 Doubles · 8.0 · with Andy Frommenwiler
expectation pending — we’re still fetching an opponent’s record
4-6, 4-6
W
2026-07-11 · BC-WestEnd/RogerKodani8.0 · #3 Doubles · 8.0 · with Lisa Inomata-O'Connell mixed
doesn’t count toward your NTRP rating
6-2, 6-3
L
2026-06-28 · #1 Doubles · 8.0 · with Andrew Michell
expectation pending — we’re still fetching an opponent’s record
2-6, 2-6
W
2026-06-27 · BC-WestEnd/RogerKodani8.0 · #2 Doubles · 8.0 · with JULIE MOORE mixed
doesn’t count toward your NTRP rating
6-7, 6-2, 1-0
W
2026-06-14 · #3 Doubles · 8.0 · with Kyungwon Kang
expectation pending — we’re still fetching an opponent’s record
6-3, 6-3
L
2026-06-13 · BC-WestEnd/RogerKodani8.0 · #2 Doubles · 8.0 · with JULIE MOORE mixed
doesn’t count toward your NTRP rating
1-6, 6-7
W
2026-06-07 · #3 Doubles · 8.0 · with Andrew Michell
expectation pending — we’re still fetching an opponent’s record
7-5, 6-3
Where you rank locallyagainst everyone at your level
Teams32 teams · 2021–2026
Over timerating by season, and how you rank
By level4 levels played
4.0
59.4%
19W–13L · 51.6% of games
4.5
30.2%
16W–37L · 40.4% of games
8.0
71.4%
10W–4L · 58.2% of games
8.0mixed
48.8%
21W–22L · 49.1% of games

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

By lineusually #2 Doubles, 35% of the time
#2 Doubles
35%
52 matches
#3 Doubles
33%
50 matches
#1 Doubles
32%
48 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.

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