Jun 28, 2026 · Doubles
Player profile
Boo Yong Ahn’s NorCal tennis rating
Boo Yong Ahn
USTA 4.0 · NorCal league player
current
▼ −0.14 this season
USTA4.00
2026
7 matches
Feb · 4.17
Jun · 3.75
Jun 28 · Doubles−0.10
L C. Garza / J. Lee
2-6,3-6 · with Stephen Fung
● Won ● Lost · Select a point to see that match.Your whole season is recalculated every night, so earlier points can shift as new results come in.
Current season
7 matches
Published NorCal league results in 2026.
Lost 2-6,3-6
−0.10
Rating 3.85 → 3.75Doubles result
May 31, 2026 · Doubles
Lost 0-6,6-7
−0.15
Opponents
Raul GarciaCurrently on GLTF/SAN FRAN ST U CM7.5A
3.70Yong ThittayawarawatCurrently on GLTF/SAN FRAN ST U CM7.5A
3.84Rating 4.00 → 3.85Doubles result
May 22, 2026 · Doubles
Won 6-4,6-4
+0.13
Boo’s side
Boo Yong AhnCurrently on GOLDEN GATEWY CM8.5A
3.75Ed Wassmuth(partner)Currently on GOLDEN GATEWY CM7.5A
3.80Opponents
William ChengCurrently on GOLDEN GATEWY CM8.5A
3.75Nate KamsutCurrently on GOLDEN GATEWY CM7.5A
3.66Rating 3.87 → 4.00Doubles result
May 16, 2026 · Doubles
Lost 6-7,2-6
−0.13
Boo’s side
Boo Yong AhnCurrently on GOLDEN GATEWY CM8.5A
3.75Daniel Malis(partner)Currently on GOLDEN GATEWY CM8.5A
3.74Opponents
William ChengCurrently on GOLDEN GATEWY CM8.5A
3.75Justin LeungCurrently on GOLDEN GATEWY CM7.5A
3.78Rating 4.00 → 3.87Doubles result
May 3, 2026 · Doubles
Won 7-5,6-7,1-0
+0.05
Boo’s side
Boo Yong AhnCurrently on GOLDEN GATEWY CM8.5A
3.75Daniel Malis(partner)Currently on GOLDEN GATEWY CM8.5A
3.74Rating 3.95 → 4.00Doubles result
Apr 18, 2026 · Doubles
Lost 2-6,4-6
−0.07
Boo’s side
Boo Yong AhnCurrently on GOLDEN GATEWY CM8.5A
3.75Christian Wentzel(partner)Currently on GOLDEN GATEWY CM8.5A
3.82Opponents
Spencer MossCurrently on GOLDEN GATE TC/GOLDEN GATEWY CM8.5B
4.14Eric LiCurrently on GOLDEN GATE TC/GOLDEN GATEWY CM8.5B
4.00Rating 4.02 → 3.95Doubles result
Feb 28, 2026 · Doubles
Lost 4-6,5-7
−0.15
Boo’s side
Boo Yong AhnCurrently on GOLDEN GATEWY CM8.5A
3.75Lyman Chao(partner)Currently on BAY CLUB SF TENNIS 40MX8.0A
3.68Rating 4.17 → 4.02Doubles result
Best match
+0.13
May 22 vs W. Cheng / N. Kamsut
Worst match
−0.15
Feb 28 vs T. Lam / A. Drew
Where you started ›3.89
2023 year-end NTRP 4.03.75
Scale calibration+0.14
Season start3.89
Your starting point comes from your official year-end NTRP, not from any third-party rating. The calibration is a fixed shift that puts our scale on the same level as NTRP.
▲
Combo and mixed matches aren’t included. This rating is built from standard men’s and women’s league play only — combo and mixed results feed your separate combo/mixed ratings, not this one.
Updated Sep 20
Boo Yong Ahn’s MatchPoint NorCal tennis rating is 3.75, an independent estimate based on published NorCal league results through September 20, 2026. They are currently rostered on 2 active NorCal league teams.
MatchPoint ratings are estimates based on published USTA NorCal league results. Data through September 20, 2026.
Year-end re-anchoring
Pulled toward the 2024 year-end level+0.053.94
Pulled toward the 2025 year-end level+0.034.17
Captain a team?
Win more matches with less captain work.
Use ratings, availability, and opponent context to build better lineups—and get your time back.
Set up my team