MatchPoint

Player profile

Belinda Castillo: estimated dynamic rating

Belinda Castillo
USTA3.5
NorCal league player
3.40
Estimated dynamic rating
▲ +0.06 this season
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Mixed · 2026
7 matches
3.423.273.12
Sep · 3.29
Oct · 3.42
Oct 31 · Doubles+0.09
W D. Baker / G. Peer
6-4,6-0 · 2D · with Sergio Castillo
Your mixed rating, from mixed matches only. It doesn’t move your 3.40.● 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

23 matches

Published NorCal results in 2026 — 11 scoring, 12 combo or mixed. Combo and mixed don’t affect NTRP ratings.

Oct 31, 2026 · Doubles · 2D · Mixed

Won 6-4,6-0
+0.09

Belinda’s side

Belinda CastilloCurrently on WALNUT CREEK RC/Walnut Creek TC 55MX7.0C
3.42
Sergio Castillo(partner)Currently on UNION CITY LEISURE S/VETERANS MEM PK CM7.5A
3.41

Opponents

Debbie BakerCurrently on CROW CANYON CC CW7.5A-DT
3.27
Gary PeerCurrently on CROW CANYON CC CM6.5A
3.18
Mixed rating 3.33 → 3.42Doubles result

Oct 24, 2026 · Doubles · 2D · Mixed

Won 6-3,2-6,1-0
+0.02

Belinda’s side

Belinda CastilloCurrently on WALNUT CREEK RC/Walnut Creek TC 55MX7.0C
3.42
Douglas Fish(partner)Currently on WALNUT CREEK RC/Walnut Creek TC CM6.5B
3.07

Opponents

Rose MadridCurrently on WALNUT COUNTRY HOA 55MX7.0A
2.78
Raanan SagyCurrently on WALNUT COUNTRY HOA CM6.5A
3.05
Mixed rating 3.31 → 3.33Doubles result

Oct 23, 2026 · Doubles · 2D · Mixed

Won 6-2,3-6,1-0
+0.10

Belinda’s side

Belinda CastilloCurrently on WALNUT CREEK RC/Walnut Creek TC 55MX7.0C
3.42
Sergio Castillo(partner)Currently on UNION CITY LEISURE S/VETERANS MEM PK CM7.5A
3.41

Opponents

Greg SharkeyCurrently on CROW CANYON CC 55MX7.0A
3.15
Sally BaileyCurrently on THE CLUB @LIVERMORE CW7.5A
3.39
Mixed rating 3.21 → 3.31Doubles result

Oct 17, 2026 · Doubles · 2D · Mixed

Won 6-4,5-7,1-0
+0.09

Belinda’s side

Belinda CastilloCurrently on WALNUT CREEK RC/Walnut Creek TC 55MX7.0C
3.42
Paul Dentler(partner)Currently on WALNUT CREEK RC/Walnut Creek TC 55MX7.0B
3.43

Opponents

Cathy LeeCurrently on BAY TREES PK 55MX7.0A
3.20
Harvey SueCurrently on BAY TREES PK 55MX7.0A
3.39
Mixed rating 3.12 → 3.21Doubles result

Oct 10, 2026 · Doubles · 2D · Mixed

Lost 6-3,4-6,0-1
−0.11

Belinda’s side

Belinda CastilloCurrently on WALNUT CREEK RC/Walnut Creek TC 55MX7.0C
3.42
Albert Blake(partner)Currently on WALNUT CREEK RC/Walnut Creek TC CM7.5D
3.74

Opponents

Claudia PolidoriCurrently on VALLEY VISTA RC/VVRC COURTS CW7.5A-DT
3.26
John RubenfeldCurrently on VALLEY VISTA RC/VVRC COURTS CM7.5A
3.47
Mixed rating 3.23 → 3.12Doubles result

Oct 5, 2026 · Doubles · 3D · Mixed

Lost 6-7,2-6
−0.12

Belinda’s side

Belinda CastilloCurrently on WALNUT CREEK RC/Walnut Creek TC 55MX7.0C
3.42
Sergio Castillo(partner)Currently on UNION CITY LEISURE S/VETERANS MEM PK CM7.5A
3.41

Opponents

Manish SinghCurrently on MERVYN MORRIS PK CM8.5A
3.74
Pearl LeungCurrently on OSAGE PK S70W7.0A
3.30
Mixed rating 3.34 → 3.23Doubles result

Oct 4, 2026 · Doubles · 2D · Combo

Lost 1-6,3-6
−0.19

Belinda’s side

Belinda CastilloCurrently on WALNUT CREEK RC/Walnut Creek TC 55MX7.0C
3.15
Florita Labrador(partner)Currently on PLEASANT HILL/PLEASANT HILL MIDDLE CW6.5A
3.05

Opponents

Christina WielletteCurrently on CLAREMONT R and S CW7.5A
3.07
Michelle SaundersCurrently on BLACKHAWK CC CW6.5A-DT
2.92
Combo rating 3.34 → 3.15Doubles result

Sep 17, 2026 · Doubles · 2D · Combo

Won 6-3,6-1
+0.10

Belinda’s side

Belinda CastilloCurrently on WALNUT CREEK RC/Walnut Creek TC 55MX7.0C
3.15
Michelle Weiss(partner)Currently on VALLEY VISTA RC/VVRC COURTS CW6.5A
3.18

Opponents

Jennifer SoineCurrently on DIABLO CC CW6.5A-DT
3.13
Alexis BybelCurrently on DIABLO CC CW7.5A-DT
2.92
Combo rating 3.24 → 3.34Doubles result

Sep 5, 2026 · Doubles · 2D · Mixed

Won 6-0,6-0
+0.06

Belinda’s side

Belinda CastilloCurrently on WALNUT CREEK RC/Walnut Creek TC 55MX7.0C
3.42
Robert Mimaki(partner)Currently on WALNUT CREEK RC/Walnut Creek TC 55MX7.0C
3.33

Opponents

James DavisCurrently on TRILOGY S70M7.0A
2.98
Kathleen HollandCurrently on TRILOGY 55MX7.0A
2.89
Mixed rating 3.29 → 3.34Doubles result

Aug 25, 2026 · Doubles · 1D

Lost 1-6,1-6
−0.06

Belinda’s side

Belinda CastilloCurrently on WALNUT CREEK RC/Walnut Creek TC 55MX7.0C
3.40
Kimba Warford(partner)Currently on PLEASANTON 55MX7.0A
3.45

Opponents

Katie SpaldingCurrently on BELVEDERE TC CW7.5A
3.88
Patricia SheedyCurrently on CALIFORNIA TC CW7.5A
3.57
Rating 3.47 → 3.40Doubles result

May 7, 2026 · Doubles

Lost 6-7,6-7
−0.18

Belinda’s side

Belinda CastilloCurrently on WALNUT CREEK RC/Walnut Creek TC 55MX7.0C
3.40
Dorita Castillano(partner)Currently on MT EDEN T AND S CLUB/VETERANS MEM PK CW6.5A
3.42

Opponents

Divya KrishnamurthyCurrently on BAY CLUB PL CW7.5A
3.28
Grandy LinCurrently on BAY CLUB PL CW6.5B-DT
3.11
Rating 3.65 → 3.47Doubles result

Apr 23, 2026 · Doubles

Won 6-1,4-6,1-0
+0.04

Belinda’s side

Belinda CastilloCurrently on WALNUT CREEK RC/Walnut Creek TC 55MX7.0C
3.40
Mhavz Malado(partner)Currently on WILLOW PASS PK CW7.5A
3.58

Opponents

Nancy DaetzCurrently on DIABLO CC CW7.5A-DT
3.19
Jennifer SoineCurrently on DIABLO CC CW6.5A-DT
2.99
Rating 3.61 → 3.65Doubles result

Apr 19, 2026 · Doubles · Combo

Lost 5-7,6-3,0-1
−0.08

Belinda’s side

Belinda CastilloCurrently on WALNUT CREEK RC/Walnut Creek TC 55MX7.0C
3.15
Alicia Barco(partner)Currently on WALNUT CREEK RC/Walnut Creek TC 55MX7.0B
3.62

Opponents

Adrienne Cummings
3.53
Faye IsaacsonCurrently on OSAGE PK S70W7.0A
2.96
Combo rating 3.19 → 3.11Doubles result

Apr 18, 2026 · Doubles · Combo

Won 6-3,6-4
+0.22

Belinda’s side

Belinda CastilloCurrently on WALNUT CREEK RC/Walnut Creek TC 55MX7.0C
3.15
Patti Presto(partner)Currently on WALNUT CREEK RC/Walnut Creek TC CW6.5B
3.11

Opponents

Lani AureliusCurrently on WALNUT CREEK RC/Walnut Creek TC CW7.5A
3.41
Stephanie ChamberlinCurrently on WALNUT CREEK RC/Walnut Creek TC 55MX7.0B
3.48
Combo rating 2.96 → 3.19Doubles result

Apr 5, 2026 · Doubles

Won 3-6,6-2,1-0
+0.12

Belinda’s side

Belinda CastilloCurrently on WALNUT CREEK RC/Walnut Creek TC 55MX7.0C
3.40
Alicia Barco(partner)Currently on WALNUT CREEK RC/Walnut Creek TC 55MX7.0B
3.39

Opponents

Petra AhvenainenCurrently on DAVIE STADIUM CW6.5B
3.45
Helen WongCurrently on PLEASANTON 55MX7.0B
3.51
Rating 3.49 → 3.61Doubles result

Mar 15, 2026 · Doubles

Won 7-5,6-4
+0.07

Belinda’s side

Belinda CastilloCurrently on WALNUT CREEK RC/Walnut Creek TC 55MX7.0C
3.40
Alicia Barco(partner)Currently on WALNUT CREEK RC/Walnut Creek TC 55MX7.0B
3.39

Opponents

Dana KrugerCurrently on CROW CANYON CC CW7.5A-DT
3.18
Lea McsweeneyCurrently on CROW CANYON CC CW7.5A-DT
3.24
Rating 3.42 → 3.49Doubles result

Mar 11, 2026 · Doubles

Won 7-5,6-0
+0.03

Belinda’s side

Belinda CastilloCurrently on WALNUT CREEK RC/Walnut Creek TC 55MX7.0C
3.40
Dora Meier Lee(partner)Currently on PLEASANTON CW6.5A-DT
3.40

Opponents

Cathy AlthoffCurrently on MONTE VISTA HS CW7.5A
3.14
Leann KanowskyCurrently on PLEASANTON CW6.5A-DT
2.66
Rating 3.39 → 3.42Doubles result

Mar 1, 2026 · Doubles

Won 6-4,6-4
+0.09

Belinda’s side

Belinda CastilloCurrently on WALNUT CREEK RC/Walnut Creek TC 55MX7.0C
3.40
Dora Meier Lee(partner)Currently on PLEASANTON CW6.5A-DT
3.40

Opponents

Diana BabayanCurrently on WALNUT CREEK RC/Walnut Creek TC CW7.5C
3.39
Divya BalaCurrently on STONEBRAE CC CW6.5A-DT
3.10
Rating 3.31 → 3.39Doubles result

Feb 27, 2026 · Doubles

Lost 7-6,3-6,0-1
−0.12

Belinda’s side

Belinda CastilloCurrently on WALNUT CREEK RC/Walnut Creek TC 55MX7.0C
3.40
Kimba Warford(partner)Currently on PLEASANTON 55MX7.0A
3.45

Opponents

Katherine HwangCurrently on SAN PABLO PK CW7.5A
3.49
Tina ZhaoCurrently on BAY CLUB PL CW7.5A-DT
3.39
Rating 3.42 → 3.31Doubles result

Feb 14, 2026 · Doubles

Won 6-4,6-1
+0.07

Belinda’s side

Belinda CastilloCurrently on WALNUT CREEK RC/Walnut Creek TC 55MX7.0C
3.40
Alicia Barco(partner)Currently on WALNUT CREEK RC/Walnut Creek TC 55MX7.0B
3.39

Opponents

Adrianna LugoCurrently on BAY CLUB PL CW7.5B
3.32
Tina LugoCurrently on DIAMOND HILLS 55MX7.0A
3.13
Rating 3.36 → 3.42Doubles result

Jan 8, 2026 · Doubles

Won 6-4,6-2
+0.05

Belinda’s side

Belinda CastilloCurrently on WALNUT CREEK RC/Walnut Creek TC 55MX7.0C
3.40
Kimba Warford(partner)Currently on PLEASANTON 55MX7.0A
3.45

Opponents

Barbara BrooksCurrently on PLEASANTON CW6.5A-DT
2.94
Cynthia AttiyehCurrently on WALNUT CREEK RC/Walnut Creek TC 55MX7.0B
3.13
Rating 3.24 → 3.29Doubles 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
Oct 23 vs G. Sharkey / S. Bailey
Worst match
−0.12
Oct 5 vs M. Singh / P. Leung
Where you started ›3.34
2023 year-end NTRP 3.53.20
Scale calibration+0.14
Season start3.34
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−0.023.32
Pulled toward the 2025 year-end level−0.013.24

More about Belinda

Belinda Castillo has been a USTA NorCal 3.5 since 2022, after starting at 2.5 in 2015. The estimated dynamic rating is 3.40, up 0.06 this season, with a 16–7 record in 2026 across regular, combo and mixed play. Most frequent partner: Sergio Castillo, 6–6 in 12 matches together.

Record

16–7
2026 season, 23 matches
24–22
2025 season, 46 matches
5
Longest winning streak
10–10
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, 2015–2026

2.5 from 2015 to 2016, 3.0 from 2017 to 2021 and 3.5 from 2022 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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