Douglas Sullivan’s NorCal tennis rating
Douglas Sullivan
USTA 4.5 · NorCal league player
Other formats · don’t affect your rating above
Combo 4.24
Active teams
No active team listing yet.
Jul 11 · Doubles−0.08
L C. Belloli / P. Breber
7-5,2-6,0-1 · with T Eric Lehto
● 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.
Jul 11, 2025 · Doubles · Combo
Lost 3-6,6-3,0-1
−0.07
Opponents
Tom BrehmeCurrently on UNIVERSITY CLUB PA 55MX9.0A 4.30Combo rating 4.31 → 4.24Doubles result
Combo results move their own rating, not your NTRP — USTA computes NTRP from adult singles and doubles only.
Jul 11, 2025 · Doubles · Combo
Lost 7-5,2-6,0-1
−0.08
Combo rating 4.24 → 4.16Doubles result
Combo results move their own rating, not your NTRP — USTA computes NTRP from adult singles and doubles only.
May 25, 2025 · Doubles · Combo
Won 6-3,6-3
+0.15
Combo rating 4.16 → 4.31Doubles result
Combo results move their own rating, not your NTRP — USTA computes NTRP from adult singles and doubles only.
Apr 15, 2025 · Doubles · Combo
Lost 3-6,0-6
−0.08
Combo rating 4.24 → 4.16Doubles result
Combo results move their own rating, not your NTRP — USTA computes NTRP from adult singles and doubles only.
Mar 29, 2025 · Doubles · Combo
Lost 4-6,5-7
−0.19
Combo rating 4.43 → 4.24Doubles result
Combo results move their own rating, not your NTRP — USTA computes NTRP from adult singles and doubles only.
Feb 23, 2025 · Doubles
Lost 6-7,2-6
−0.14
Rating 4.56 → 4.42Doubles result
Jan 18, 2025 · Doubles
Won 6-4,5-7,1-0
+0.11
Rating 4.44 → 4.56Doubles result
Best match
+0.11
Jan 18 vs M. Dunn / L. Smith
Worst match
−0.14
Feb 23 vs S. Colletto / C. Fulchiron
Where you started ›4.44
2013 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.
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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
Douglas Sullivan’s MatchPoint NorCal tennis rating is 4.43, 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+0.004.44
Pulled toward the 2025 year-end level+0.014.43
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