MatchPoint

Player profile

Jason Ah Chuen Jahchuen: estimated dynamic rating

Jason Ah Chuen Jahchuen
USTA4.5
Goldman TC
4.74
Estimated dynamic rating
▲ +0.30 this season
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Combo · 2026
4 matches
4.934.774.60
Jan · 4.93
Oct · 4.65
Oct 12 · Doubles+0.05
W B. Yan / A. Shi
6-4,6-1 · 2D · with Donald Zhou
Your combo rating, from combo matches only. It doesn’t move your 4.74.● Won ● Lost · Select a point to see that match.Your whole season is recalculated daily, so earlier points can shift as new results come in.

Current season

24 matches

Published NorCal results in 2026 — 13 scoring, 11 combo or mixed. Combo and mixed don’t affect NTRP ratings.

Oct 12, 2026 · Doubles · 2D · Combo

Won 6-4,6-1
+0.05

Jason’s side

Jason Ah Chuen JahchuenCurrently on GOLDMAN TC CM9.5A
4.65
Donald Zhou(partner)Currently on GOLDMAN TC CM9.5A
4.58

Opponents

Benjamin YanCurrently on BAY CLUB SF TENNIS CM9.5A
4.18
Albert ShiCurrently on RINCONADA PK CM9.5B
4.48
Combo rating 4.60 → 4.65Doubles result

Sep 9, 2026 · Doubles · 1D · Combo

Lost 5-7,5-7
−0.12

Jason’s side

Jason Ah Chuen JahchuenCurrently on GOLDMAN TC CM9.5A
4.65
Donald Zhou(partner)Currently on GOLDMAN TC CM9.5A
4.58

Opponents

Jackson CooneyCurrently on BAY CLUB SF TENNIS CM9.5A
4.76
Vinh NgoCurrently on BAY CLUB SF TENNIS CM9.5A
4.67
Combo rating 4.72 → 4.60Doubles result

Aug 15, 2026 · Doubles

Lost 3-6,6-1,0-1
−0.14

Jason’s side

Jason Ah Chuen JahchuenCurrently on GOLDMAN TC CM9.5A
4.74
Jerry Liang(partner)Currently on SUNNYVALE MTC CM9.5A
4.61

Opponents

Connor ArdCurrently on WALNUT CREEK RC/Walnut Creek TC CM9.5A
4.60
Keith EdwardsCurrently on WALNUT CREEK RC/Walnut Creek TC CM9.5A
4.70
Rating 5.05 → 4.91Doubles result

Apr 18, 2026 · Doubles

Won 6-2,6-4
+0.04

Jason’s side

Jason Ah Chuen JahchuenCurrently on GOLDMAN TC CM9.5A
4.74
Jerry Liang(partner)Currently on SUNNYVALE MTC CM9.5A
4.61

Opponents

Alston KauCurrently on LOS ALTOS TC/LOS ALTOS GCC CM8.5A
4.46
David LeCurrently on SUNNYVALE MTC CM9.5A
4.43
Rating 4.93 → 4.97Doubles result

Combo and mixed results move their own ratings, not your NTRP. USTA computes NTRP from adult singles and doubles only.

Best match
+0.05
Oct 12 vs B. Yan / A. Shi
Worst match
−0.16
Jan 23 vs J. Alliston / S. Schneider
Where you started ›4.44
2023 year-end NTRP 4.54.30
Scale calibration+0.14
Season start4.44
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 Nov 4
Year-end re-anchoring
Pulled toward the 2024 year-end level−0.074.37
Pulled toward the 2025 year-end level+0.114.71

More about Jason

Jason Ah Chuen Jahchuen is a USTA NorCal 4.5 in 2026, down from 5.0 in 2025. The estimated dynamic rating is 4.74, up 0.30 this season, with a 17–7 record in 2026 across regular, combo and mixed play. Most frequent partner: Jerry Liang, 3–3 in 6 matches together.

Record

17–7
2026 season, 24 matches
8–3
2025 season, 11 matches
10
Longest winning streak
7–3
Matches that went to a third set or match tiebreak

Partners

Best wins

Against the highest-rated opponents by year-end NTRP, this season and last.

Year-end NTRP, 2023–2026

4.5 from 2023 to 2024, 5.0 in 2025 and 4.5 in 2026.

MatchPoint's estimated dynamic rating is an independent estimate from published USTA NorCal league results through November 4, 2026. It is not a rating USTA calculates, and MatchPoint is not affiliated with USTA.

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