Guillaume Sabourin’s NorCal tennis rating
Guillaume Sabourin
USTA 5.0 · NorCal league player
Active teams
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Jun 6 · Singles+0.08
W Daniel Arnold
0-6,6-4,1-0
● 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.
Jun 6, 2025 · Singles
Won 0-6,6-4,1-0
+0.08
Rating 4.83 → 4.92Singles result
May 26, 2025 · Singles
Won 6-1,6-2
+0.13
Rating 4.71 → 4.83Singles result
Apr 28, 2025 · Singles
Lost 6-7,4-6
−0.14
Rating 4.85 → 4.71Singles result
Apr 26, 2025 · Singles
Won 6-2,6-4
+0.09
Rating 4.76 → 4.85Singles result
Apr 13, 2025 · Singles
Won 6-4,5-7,1-0
+0.03
Rating 4.73 → 4.76Singles result
Best match
+0.13
May 26 vs Amit Rao
Worst match
−0.14
Apr 28 vs David Orces
Where you started ›4.94
2023 year-end NTRP 5.04.80
Scale calibration+0.14
Season start4.94
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
Guillaume Sabourin’s MatchPoint NorCal tennis rating is 4.91, 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−0.214.73
Pulled toward the 2025 year-end level−0.014.91
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