May 9, 2026 · Singles
Won 7-6,6-3
+0.17
Jonathan’s side
4.51
Opponents
4.63
Rating 4.34 → 4.51Singles result
Player profile
Jonathan Sievers’s NorCal tennis rating
Jonathan Sievers
USTA 4.5 · NorCal league player
current
▲ +0.07 this season
Active teams
No active team listing yet.
USTA4.50
2026
2 matches
Apr · 4.40
May · 4.51
May 9 · Singles+0.17
W Daniel Klement
7-6,6-3
● 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
2 matches
Published NorCal league results in 2026.
Apr 19, 2026 · Singles
Lost 2-6,6-7
−0.06
Jonathan’s side
4.51
Opponents
Peter ChangCurrently on JOHNSON RANCH CM8.5A
4.38Rating 4.40 → 4.34Singles result
Best match
+0.17
May 9 vs Daniel Klement
Worst match
−0.06
Apr 19 vs Peter Chang
▲
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 Sievers’s MatchPoint NorCal tennis rating is 4.51, 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−0.024.42
Pulled toward the 2025 year-end level−0.024.40
Captain a team?
Win more matches with less captain work.
Use ratings, availability, and opponent context to build better lineups—and get your time back.
Set up my team