May 9, 2026 · Doubles
Won 6-2,6-3
+0.09
Opponents
Marco Carlo PagalanCurrently on CLOVIS EAST HS CM8.5A
4.45Jason MarananCurrently on CLOVIS EAST HS CM8.5A
4.47Rating 4.46 → 4.55Doubles result
Player profile
Jonathan Kooy’s NorCal tennis rating
Jonathan Kooy
USTA 4.5 · NorCal league player
current
▲ +0.11 this season
Active teams
No active team listing yet.
USTA4.50
2026
6 matches
Jan · 4.21
May · 4.55
May 9 · Doubles+0.09
W M. Pagalan / J. Maranan
6-2,6-3 · with Mark Mckeen
● 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
6 matches
Published NorCal league results in 2026.
May 8, 2026 · Doubles
Lost 5-7,5-7
−0.06
Rating 4.41 → 4.35Doubles result
May 8, 2026 · Doubles
Won 7-6,6-2
+0.11
Rating 4.35 → 4.46Doubles result
Feb 7, 2026 · Doubles
Won 6-1,6-3
+0.07
Opponents
Allen BarkerCurrently on RIDGEMARK G&CC CM8.5A
4.26Marcus WoodsCurrently on RIDGEMARK G&CC CM8.5A
4.34Rating 4.34 → 4.41Doubles result
Jan 31, 2026 · Doubles
Won 7-6,6-4
+0.04
Rating 4.30 → 4.34Doubles result
Jan 10, 2026 · Doubles
Won 6-1,6-4
+0.09
Opponents
Marcus WoodsCurrently on RIDGEMARK G&CC CM8.5A
4.34Allen BarkerCurrently on RIDGEMARK G&CC CM8.5A
4.26Rating 4.21 → 4.30Doubles result
Best match
+0.11
May 8 vs E. Barloewen / K. Chang
Worst match
−0.06
May 8 vs T. Chandler / C. Lazarchik
▲
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
Jonathan Kooy’s MatchPoint NorCal tennis rating is 4.55, 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−0.044.40
Pulled toward the 2025 year-end level−0.024.21
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