MatchPoint

Player profile

Sebastian Jaczewski’s NorCal tennis rating

Sebastian Jaczewski
USTA 4.0 · NorCal league player
4.05
current
+0.16 this season

Other formats · don’t affect your rating above

Combo 3.80

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USTA4.00
2025
16 matches
4.133.873.62
Jan · 3.83
Jun · 4.13
Oct 6 · Doubles+0.11
W P. Varshney / M. Fossum
6-3,6-2 · with Matt Hillman
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.

Oct 6, 2025 · Doubles · Combo

Won 6-3,6-2
+0.11

Sebastian’s side

Matt Hillman(partner)Currently on ROSEVILLE LIFE TIME CM8.5A
3.75

Opponents

Pankaj VarshneyCurrently on ED MITCHELL PK CM7.5A
3.86
Matthew FossumCurrently on SERRANO CC CM6.5A
3.73
Combo rating 3.643.75Doubles result

Combo results move their own rating, not your NTRP — USTA computes NTRP from adult singles and doubles only.

Sep 25, 2025 · Doubles · Combo

Lost 3-6,3-6
−0.13

Sebastian’s side

Travis Tremble(partner)Currently on ROSEVILLE LIFE TIME CM7.5A
3.55

Opponents

Achari ChintaluriCurrently on FOLSOM LAKE CC CM7.5B
3.86
Hema KommojuCurrently on FOLSOM LAKE CC CM7.5B
3.67
Combo rating 3.773.64Doubles result

Combo results move their own rating, not your NTRP — USTA computes NTRP from adult singles and doubles only.

Sep 3, 2025 · Doubles · Combo

Lost 1-6,3-6
−0.16

Sebastian’s side

John Reading(partner)Currently on ROSEVILLE LIFE TIME CM8.5A
3.63

Opponents

Chandra MahadevanCurrently on ROLLINGWOOD 40MX8.0A
3.90
Kalin LundquistCurrently on ED MITCHELL PK CM7.5A
3.72
Combo rating 3.933.77Doubles result

Combo results move their own rating, not your NTRP — USTA computes NTRP from adult singles and doubles only.

Jun 11, 2025 · Singles

Won 6-4,6-0
+0.03

Sebastian’s side

Opponents

Josh SarpotdarCurrently on JOHNSON RANCH CM8.5A
3.79
Rating 4.104.13Singles result

Apr 11, 2025 · Singles

Lost 1-6,2-6
−0.13

Sebastian’s side

Opponents

John SedarCurrently on SERRANO CC CM8.5A
4.18
Rating 3.973.84Singles result

Mar 27, 2025 · Singles

Won 6-1,6-1
+0.16

Sebastian’s side

Opponents

William BunceCurrently on SERRANO CC CM8.5A
3.97
Rating 3.803.97Singles result

Mar 7, 2025 · Singles

Won 7-6,6-1
+0.07

Sebastian’s side

Opponents

Moises LopezCurrently on RIO DEL ORO 55MX8.0A
3.74
Rating 3.693.76Singles result
Best match
+0.16
Mar 27 vs William Bunce
Worst match
−0.14
Jan 30 vs J. Sedar / M. Dozier
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

Sebastian Jaczewski’s MatchPoint NorCal tennis rating is 4.05, 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−0.063.83
Pulled toward the 2025 year-end level−0.084.05

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