James Jirn’s NorCal tennis rating
James Jirn
USTA 4.0 · NorCal league player
Active teams
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Jan 18 · Doubles−0.13
L P. Karlsson / B. Chuaqui
6-7,3-6 · with Daniel Lichtenberg
● 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
0 matches
Published NorCal league results in 2026.
Jan 18, 2025 · Doubles
Lost 6-7,3-6
−0.13
Rating 3.91 → 3.79Doubles result
Best match
−0.13
Jan 18 vs P. Karlsson / B. Chuaqui
Worst match
−0.13
Jan 18 vs P. Karlsson / B. Chuaqui
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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
James Jirn’s MatchPoint NorCal tennis rating is 3.82, an independent estimate based on published NorCal league results through September 20, 2026.
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+0.023.91
Pulled toward the 2025 year-end level+0.033.82
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