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Boo Yong Ahn

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San Francisco, CA
4.0C year-end 2025
i
Computer — generated by the USTA algorithm from match play
70 matches · 34W–36L · seasons 2019–2026
Match history70 matches
W
Default
2026-10-28 · GOLDEN GATEWY CM8.5A · #3 Doubles · 8.5 · with Manoj Bandaru
doesn’t count toward your NTRP rating
6-0, 6-0
L
2026-09-24 · GOLDEN GATEWY CM8.5A · #3 Doubles · 8.5 · with Carlos del Rio
doesn’t count toward your NTRP rating
5-7, 6-7
L
2026-06-28 · GOLDEN GATEWY 18AM4.0A · #3 Doubles · 4.0 · with Stephen Fung championship
loading the estimate
2-6, 3-6
L
2026-05-31 · GOLDEN GATEWY 18AM4.0A · #3 Doubles · 4.0 · with Albert Lee
loading the estimate
0-6, 6-7
W
2026-05-22 · GOLDEN GATEWY 18AM4.0A · #3 Doubles · 4.0 · with Ed Wassmuth
loading the estimate
6-4, 6-4
L
2026-05-16 · GOLDEN GATEWY 18AM4.0A · #3 Doubles · 4.0 · with Daniel Malis
loading the estimate
6-7, 2-6
W
2026-05-03 · GOLDEN GATEWY 18AM4.0A · #3 Doubles · 4.0 · with Daniel Malis
loading the estimate
7-5, 6-7, 1-0
L
2026-04-18 · GOLDEN GATEWY 18AM4.0A · #3 Doubles · 4.0 · with Christian Wentzel
loading the estimate
2-6, 4-6
L
2026-02-28 · BAY CLUB SF TENNIS 40AM4.0B · #2 Doubles · 4.0 · with Lyman Chao
loading the estimate
4-6, 5-7
W
2025-06-08 · BAY CLUB SF TENNIS 18AM4.0B · #3 Doubles · 4.0 · with Lyman Chao
loading the estimate
6-3, 6-4
L
2025-04-20 · BAY CLUB SF TENNIS 18AM4.0B · #3 Doubles · 4.0 · with Samir Gupte
loading the estimate
2-6, 2-6
L
2025-04-08 · BAY CLUB SF TENNIS 18AM4.0B · #2 Doubles · 4.0 · with Aref El Natour
loading the estimate
4-6, 1-6
Where you rank locallyagainst everyone at your level
Teams24 teams · 2019–2026
Over timerating by season, and how you rank
By level5 levels played
4.0
53.7%
22W–19L · 51.9% of games
7.5
50%
7W–7L · 54.5% of games
8.5
12.5%
1W–7L · 50% of games
7.0mixed
2W–1L
not enough matches yet
8.0mixed
50%
2W–2L · 46.4% of games

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

By lineusually #3 Doubles, 47% of the time
#3 Doubles
47%
33 matches
#2 Doubles
43%
30 matches
#1 Doubles
10%
7 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.

I don’t want to be somebody else. I want to be myself and win in my way.
Rafael Nadal