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Player profile

Ernesto Sioson: estimated dynamic rating

Ernesto Sioson
USTA4.0
Diamond Hills
3.78
Estimated dynamic rating
▼ −0.11 this season
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Mixed · 2026
9 matches
3.893.593.29
Jan · 3.89
Oct · 3.29
Oct 24 · Doubles−0.07
L K. Johnson / A. Vernon
1-6,3-6 · 2D · with Andie Leandro
Your mixed rating, from mixed matches only. It doesn’t move your 3.78.● Won ● Lost · Select a point to see that match.Your whole season is recalculated daily, so earlier points can shift as new results come in.

Current season

18 matches

Published NorCal results in 2026 — 3 scoring, 15 combo or mixed. Combo and mixed don’t affect NTRP ratings.

Oct 24, 2026 · Doubles · 2D · Mixed

Lost 1-6,3-6
−0.07

Ernesto’s side

Ernesto SiosonCurrently on DIAMOND HILLS CM7.5A
3.29
Andie Leandro(partner)Currently on DIAMOND HILLS 55MX7.0A
2.82

Opponents

Kay JohnsonCurrently on SOLANO TA/CENTENNIAL PRK CW7.5A
3.48
Andre VernonCurrently on PINOLE PK 55MX7.0A
3.45
Mixed rating 3.36 → 3.29Doubles result

Oct 17, 2026 · Doubles · 2D · Mixed

Lost 4-6,5-7
−0.09

Ernesto’s side

Ernesto SiosonCurrently on DIAMOND HILLS CM7.5A
3.29
Karen Bibel(partner)Currently on DIAMOND HILLS CW6.5A
3.08

Opponents

David LipnickeCurrently on VALLEY VISTA RC/VVRC COURTS CM7.5A
3.58
Jan LipnickeCurrently on WALNUT CREEK RC/Walnut Creek TC CW6.5B
3.28
Mixed rating 3.45 → 3.36Doubles result

Oct 16, 2026 · Doubles · 3D · Combo

Lost 2-6,2-6
−0.07

Ernesto’s side

Ernesto SiosonCurrently on DIAMOND HILLS CM7.5A
3.34
Michael Villanueva(partner)Currently on DIAMOND HILLS CM7.5A
2.94

Opponents

Ariel SantosCurrently on CONCORD TC/WILLOW PASS PK CM7.5A
3.40
Cyril EscanillasCurrently on LAFAYETTE TC CM8.5A
4.22
Combo rating 3.41 → 3.34Doubles result

Oct 2, 2026 · Doubles · 3D · Combo

Lost 2-6,6-1,0-1
−0.16

Ernesto’s side

Ernesto SiosonCurrently on DIAMOND HILLS CM7.5A
3.34
Michael Villanueva(partner)Currently on DIAMOND HILLS CM7.5A
2.94

Opponents

David CarlsonCurrently on VALLEY VISTA RC/VVRC COURTS CM7.5A
3.28
Paul SwinkCurrently on WALNUT CREEK RC/Walnut Creek TC CM6.5C
3.07
Combo rating 3.57 → 3.41Doubles result

Sep 30, 2026 · Doubles · 1D · Mixed

Lost 6-1,3-6,0-1
−0.06

Ernesto’s side

Ernesto SiosonCurrently on DIAMOND HILLS CM7.5A
3.29
Carla Nicolicchia(partner)Currently on DIAMOND HILLS CW6.5A
3.25

Opponents

Editha McculloughCurrently on SOLANO TA/CENTENNIAL PRK CW6.5A
3.50
Hector DiazCurrently on PINOLE PK 55MX7.0A
3.61
Mixed rating 3.51 → 3.45Doubles result

Sep 4, 2026 · Doubles · 3D · Combo

Won 7-5,6-1
+0.23

Ernesto’s side

Ernesto SiosonCurrently on DIAMOND HILLS CM7.5A
3.34
Bong Publico(partner)Currently on DIAMOND HILLS CM7.5A
3.53

Opponents

John ParkeCurrently on ROUND HILL CC CM7.5A
3.59
Greg PopeCurrently on ROUND HILL CC CM7.5A
3.66
Combo rating 3.34 → 3.57Doubles result

Aug 26, 2026 · Doubles · 3D · Mixed

Won 7-5,6-3
+0.10

Ernesto’s side

Ernesto SiosonCurrently on DIAMOND HILLS CM7.5A
3.29
Carla Nicolicchia(partner)Currently on DIAMOND HILLS CW6.5A
3.25

Opponents

Barbara HarrisCurrently on WALNUT CREEK RC/Walnut Creek TC 55MX7.0C
3.04
Dale WelshCurrently on WALNUT CREEK RC/Walnut Creek TC CM7.5A
3.27
Mixed rating 3.41 → 3.51Doubles result

May 2, 2026 · Doubles · Combo

Lost 5-7,2-6
−0.09

Ernesto’s side

Ernesto SiosonCurrently on DIAMOND HILLS CM7.5A
3.34
Eduardo Zerbini(partner)Currently on DIAMOND HILLS CM6.5A
3.18

Opponents

Bob BenzCurrently on PINOLE PK S70M7.0A
3.65
John BoralCurrently on WALNUT CREEK RC/Walnut Creek TC CM6.5C
3.42
Combo rating 3.43 → 3.34Doubles result

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 MORAGA CC CM7.5A
3.57
Ben OlsenCurrently on MORAGA CC CM7.5A
3.43
Rating 4.00 → 3.78Doubles result

Mar 21, 2026 · Doubles · Combo

Lost 3-6,7-6,0-1
−0.15

Ernesto’s side

Ernesto SiosonCurrently on DIAMOND HILLS CM7.5A
3.34
Eduardo Zerbini(partner)Currently on DIAMOND HILLS CM6.5A
3.18

Opponents

William FungCurrently on WALNUT CREEK RC/Walnut Creek TC CM6.5B
3.27
Greg SnyderCurrently on WALNUT CREEK RC/Walnut Creek TC CM6.5B
3.20
Combo rating 3.63 → 3.48Doubles result

Mar 7, 2026 · Doubles · Mixed

Lost 6-7,6-4,0-1
−0.12

Ernesto’s side

Ernesto SiosonCurrently on DIAMOND HILLS CM7.5A
3.29
Karen Bibel(partner)Currently on DIAMOND HILLS CW6.5A
3.08

Opponents

Jonathan IndickCurrently on CONCORD TC/WILLOW PASS PK CM7.5A
3.43
Hazel IndickCurrently on WILLOW PASS PK CW7.5A
3.27
Mixed rating 3.53 → 3.41Doubles result

Mar 2, 2026 · Doubles · Mixed

Won 6-1,6-0
+0.08

Ernesto’s side

Ernesto SiosonCurrently on DIAMOND HILLS CM7.5A
3.29
Karen Bibel(partner)Currently on DIAMOND HILLS CW6.5A
3.08

Opponents

Rose MadridCurrently on WALNUT COUNTRY HOA 55MX7.0A
2.78
Jason WitwerCurrently on WALNUT CREEK RC/Walnut Creek TC CM6.5D
3.06
Mixed rating 3.45 → 3.53Doubles result

Feb 28, 2026 · Doubles · Mixed

Lost 5-7,3-6
−0.15

Ernesto’s side

Ernesto SiosonCurrently on DIAMOND HILLS CM7.5A
3.29
Karen Bibel(partner)Currently on DIAMOND HILLS CW6.5A
3.08

Opponents

Jamie BernsteinCurrently on ROUND HILL CC CW6.5A
3.04
Steve BrashearCurrently on ROUND HILL CC CM7.5A
3.50
Mixed rating 3.60 → 3.45Doubles result

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
−0.18

Ernesto’s side

Ernesto SiosonCurrently on DIAMOND HILLS CM7.5A
3.29
Andie Leandro(partner)Currently on DIAMOND HILLS 55MX7.0A
2.82

Opponents

Chris HaskellCurrently on MORAGA CC CM7.5A
3.31
Lisa HaskellCurrently on MORAGA CC CW7.5A
3.16
Mixed rating 3.78 → 3.60Doubles result

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
3.80

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

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

Best match
+0.10
Aug 26 vs B. Harris / D. Welsh
Worst match
−0.18
Feb 21 vs C. Haskell / L. Haskell
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 Nov 4
Year-end re-anchoring
Pulled toward the 2024 year-end level+0.033.92
Pulled toward the 2025 year-end level+0.043.86

More about Ernesto

Ernesto Sioson has been a USTA NorCal 4.0 since 2014, after starting at 3.0 in 2009. The estimated dynamic rating is 3.78, down 0.11 this season, with a 5–13 record in 2026 across regular, combo and mixed play. Most frequent partner: Eduardo Zerbini, 1–4 in 5 matches together.

Record

5–13
2026 season, 18 matches
4–11
2025 season, 15 matches
2
Longest winning streak
3–8
Matches that went to a third set or match tiebreak

Partners

Best wins

Against the highest-rated opponents by year-end NTRP, this season and last.

Year-end NTRP, 2009–2026

3.0 in 2009, 3.5 from 2010 to 2013 and 4.0 from 2014 to 2026.

MatchPoint's estimated dynamic rating is an independent estimate from published USTA NorCal league results through November 4, 2026. It is not a rating USTA calculates, and MatchPoint is not affiliated with USTA.

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