John Backof’s NorCal tennis rating
John Backof
USTA 4.5 · NorCal league player
Other formats · don’t affect your rating above
Mixed 4.19
Active teams
No active team listing yet.
Jul 5 · Doubles−0.04
L M. Viani / H. Ham
6-1,0-6,0-1 · with Kimberly Borah-schulist
● 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 5, 2025 · Doubles · Mixed
Lost 6-1,0-6,0-1
−0.04
Mixed rating 4.20 → 4.16Doubles result
Mixed results move their own rating, not your NTRP — USTA computes NTRP from adult singles and doubles only.
Jun 21, 2025 · Doubles · Mixed
Lost 3-6,6-2,0-1
−0.10
Mixed rating 4.29 → 4.20Doubles result
Mixed results move their own rating, not your NTRP — USTA computes NTRP from adult singles and doubles only.
May 30, 2025 · Doubles
Lost 6-7,6-1,0-1
−0.11
Rating 4.29 → 4.18Doubles result
May 17, 2025 · Doubles
Lost 6-0,2-6,0-1
−0.07
Rating 4.36 → 4.29Doubles result
Apr 26, 2025 · Doubles
Lost 1-6,4-6
−0.08
Rating 4.44 → 4.36Doubles result
Apr 18, 2025 · Doubles
Lost 6-3,3-6,0-1
−0.11
Rating 4.55 → 4.44Doubles result
Apr 13, 2025 · Doubles
Lost 5-7,3-6
−0.18
Rating 4.73 → 4.55Doubles result
Feb 8, 2025 · Doubles
Won 7-5,7-6
+0.08
Rating 4.64 → 4.73Doubles result
Jan 18, 2025 · Doubles
Won 6-3,7-6
+0.14
Rating 4.50 → 4.64Doubles result
Best match
+0.14
Jan 18 vs A. Mancl / W. Breck
Worst match
−0.18
Apr 13 vs M. Ellis / L. Hatch
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.
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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
John Backof’s MatchPoint NorCal tennis rating is 4.27, 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+0.064.50
Pulled toward the 2025 year-end level+0.094.27
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