MatchPoint

Player profile

Ernesto Sioson’s NorCal tennis rating

Ernesto Sioson
USTA 4.0 · NorCal league player
3.78
current
▼ −0.11 this season

Other formats · don’t affect your rating above

Combo 3.44Mixed 3.38
USTA4.00
2026
13 matches
4.003.893.78
Jan · 3.86
Apr · 3.78
Sep 4 · Doubles+0.22
W J. Parke / G. Pope
7-5,6-1 · 3D · with Bong Publico
● 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

13 matches

Published NorCal results in 2026 — 3 scoring, 10 combo or mixed. Combo and mixed don’t affect NTRP ratings.

Sep 4, 2026 · Doubles · 3D · Combo

Won 7-5,6-1
+0.22

Ernesto’s side

Ernesto SiosonCurrently on DIAMOND HILLS CM7.5A
3.44
Bong Publico(partner)Currently on DIAMOND HILLS CM7.5A
3.59

Opponents

John ParkeCurrently on ROUND HILL CC CM7.5A
3.60
Greg PopeCurrently on ROUND HILL CC CM7.5A
3.60
Combo rating 3.22 → 3.44Doubles result

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

Aug 26, 2026 · Doubles · 3D · Mixed

Won 7-5,6-3
+0.09

Ernesto’s side

Ernesto SiosonCurrently on DIAMOND HILLS CM7.5A
3.38
Carla Nicolicchia(partner)Currently on DIAMOND HILLS CW6.5A
3.19

Opponents

Barbara HarrisCurrently on WALNUT CREEK RC/Walnut Creek TC 55MX7.0C
3.00
Dale WelshCurrently on WALNUT CREEK RC/Walnut Creek TC CM7.5A
3.24
Mixed rating 3.29 → 3.38Doubles result

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

May 2, 2026 · Doubles · Combo

Lost 5-7,2-6
−0.10

Ernesto’s side

Ernesto SiosonCurrently on DIAMOND HILLS CM7.5A
3.44
Eduardo Zerbini(partner)Currently on DIAMOND HILLS CM6.5A
3.16

Opponents

Bob BenzCurrently on PINOLE PK S70M7.0A
3.73
John BoralCurrently on WALNUT CREEK RC/Walnut Creek TC CM6.5C
3.45
Combo rating 3.32 → 3.22Doubles result

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

Apr 3, 2026 · Doubles

Lost 4-6,1-6
−0.22

Ernesto’s side

Ernesto SiosonCurrently on DIAMOND HILLS CM7.5A
3.78
Todd Mollenhauer(partner)Currently on DIAMOND HILLS CM8.5A
3.60

Opponents

Cole BennettCurrently on ST MARY 40MX8.0A
3.57
Ben OlsenCurrently on MORAGA CC CM7.5A
3.43
Rating 4.00 → 3.78Doubles result

Mar 29, 2026 · Doubles · Combo

Lost 2-6,6-7
−0.06

Ernesto’s side

Ernesto SiosonCurrently on DIAMOND HILLS CM7.5A
3.44
Eduardo Zerbini(partner)Currently on DIAMOND HILLS CM6.5A
3.16

Opponents

Kazuo Nakamoto
3.79
Mario Oropeza
3.78
Combo rating 3.38 → 3.32Doubles result

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

Mar 21, 2026 · Doubles · Combo

Lost 3-6,7-6,0-1
−0.16

Ernesto’s side

Ernesto SiosonCurrently on DIAMOND HILLS CM7.5A
3.44
Eduardo Zerbini(partner)Currently on DIAMOND HILLS CM6.5A
3.16

Opponents

William FungCurrently on WALNUT CREEK RC/Walnut Creek TC CM6.5B
3.32
Greg SnyderCurrently on WALNUT CREEK RC/Walnut Creek TC CM6.5B
3.14
Combo rating 3.54 → 3.38Doubles result

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

Mar 7, 2026 · Doubles · Mixed

Lost 6-7,6-4,0-1
−0.12

Ernesto’s side

Ernesto SiosonCurrently on DIAMOND HILLS CM7.5A
3.38
Karen Bibel(partner)Currently on DIAMOND HILLS CW6.5A
3.09

Opponents

Jonathan IndickCurrently on CONCORD TC/WILLOW PASS PK CM7.5A
3.42
Hazel IndickCurrently on WILLOW PASS PK CW7.5A
3.29
Mixed rating 3.41 → 3.29Doubles result

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

Mar 2, 2026 · Doubles · Mixed

Won 6-1,6-0
+0.07

Ernesto’s side

Ernesto SiosonCurrently on DIAMOND HILLS CM7.5A
3.38
Karen Bibel(partner)Currently on DIAMOND HILLS CW6.5A
3.09

Opponents

Rose MadridCurrently on WALNUT COUNTRY HOA 55MX7.0A
2.68
Jason WitwerCurrently on WALNUT CREEK RC/Walnut Creek TC CM6.5D
3.06
Mixed rating 3.34 → 3.41Doubles result

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

Feb 28, 2026 · Doubles · Mixed

Lost 5-7,3-6
−0.16

Ernesto’s side

Ernesto SiosonCurrently on DIAMOND HILLS CM7.5A
3.38
Karen Bibel(partner)Currently on DIAMOND HILLS CW6.5A
3.09

Opponents

Jamie BernsteinCurrently on ROUND HILL CC CW6.5A
3.04
Steve BrashearCurrently on ROUND HILL CC CM7.5A
3.51
Mixed rating 3.51 → 3.34Doubles result

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

Feb 27, 2026 · Doubles

Won 2-6,6-4,1-0
+0.11

Ernesto’s side

Ernesto SiosonCurrently on DIAMOND HILLS CM7.5A
3.78
Joel Belangdal(partner)Currently on DIAMOND HILLS CM8.5A
3.78

Opponents

Byron BardyCurrently on PLEASANTON 55MX8.0A
3.85
Joshua LeonardCurrently on RICHMOND TA/NICHOLL PK CM7.5A
3.75
Rating 3.89 → 4.00Doubles result

Feb 21, 2026 · Doubles · Mixed

Lost 5-7,3-6
−0.19

Ernesto’s side

Ernesto SiosonCurrently on DIAMOND HILLS CM7.5A
3.38
Andie Leandro(partner)Currently on DIAMOND HILLS 55MX7.0A
2.78

Opponents

Chris HaskellCurrently on MORAGA CC CM7.5A
3.31
Lisa HaskellCurrently on MORAGA CC CW7.5A
3.16
Mixed rating 3.70 → 3.51Doubles result

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

Jan 24, 2026 · Doubles

Won 6-4,6-4
+0.03

Ernesto’s side

Ernesto SiosonCurrently on DIAMOND HILLS CM7.5A
3.78
Jeff Dalton(partner)Currently on DIAMOND HILLS CM8.5A
3.79

Opponents

Chris HaskellCurrently on MORAGA CC CM7.5A
3.37
Kevin HackCurrently on MORAGA CC CM7.5A
3.48
Rating 3.86 → 3.89Doubles result

Jan 10, 2026 · Doubles · Mixed

Lost 4-6,4-6
−0.12

Ernesto’s side

Ernesto SiosonCurrently on DIAMOND HILLS CM7.5A
3.38
Karen Bibel(partner)Currently on DIAMOND HILLS CW6.5A
3.09

Opponents

Rowan SemillaCurrently on WALNUT COUNTRY HOA 40MX7.0A
3.42
Kristin Indick
3.63
Mixed rating 3.82 → 3.70Doubles result

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

Best match
+0.11
Feb 27 vs B. Bardy / J. Leonard
Worst match
−0.22
Apr 3 vs C. Bennett / B. Olsen
Where you started ›3.89
2023 year-end NTRP 4.03.75
Scale calibration+0.14
Season start3.89
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.
▲
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

Ernesto Sioson’s MatchPoint NorCal tennis rating is 3.78, an independent estimate based on published NorCal league results through September 20, 2026. They are currently rostered on 2 active NorCal league teams.

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+0.033.92
Pulled toward the 2025 year-end level+0.043.86

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