Antonio Ambriz: 4.21 estimated dynamic rating · Diamond Hills

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Player profile

Antonio Ambriz

USTA4.5

Diamond Hills

4.21

Estimated dynamic rating

▼ −0.23 this season

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DIAMOND HILLS CM8.5A →2026 Combo Mens League 8.5

Combo · 2026

9 matches

Aug · 4.09

Oct · 3.95

Oct 31 · Doubles−0.11

L C. Carbajal / B. Feinberg

2-6,7-5,0-1 · 1D · with Mitch Pruett

Your combo rating, from combo matches only. It doesn’t move your 4.21.● 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

28 matches

Published NorCal results in 2026 — 9 scoring, 19 combo or mixed. Combo and mixed don’t affect NTRP ratings.

Oct 31, 2026 · Doubles · 1D · Combo

Lost 2-6,7-5,0-1

−0.11

Antonio’s side

Antonio AmbrizCurrently on DIAMOND HILLS CM8.5A

3.95

Mitch Pruett(partner)Currently on DIAMOND HILLS CM8.5A

3.62

Opponents

Carlos CarbajalCurrently on WILLOW PASS PK CM8.5A

3.83

Benjamin FeinbergCurrently on WILLOW PASS PK CM8.5A

4.20

Combo rating 4.07 → 3.95Doubles result

Oct 23, 2026 · Doubles · 1D · Combo

Won 6-7,6-0,1-0

+0.06

Antonio’s side

Antonio AmbrizCurrently on DIAMOND HILLS CM8.5A

3.95

Aaron Lee(partner)Currently on DIAMOND HILLS CM8.5A

4.02

Opponents

Vikram KadiCurrently on WALNUT CREEK RC/Walnut Creek TC CM8.5B

3.92

Combo rating 4.00 → 4.07Doubles result

Oct 4, 2026 · Doubles · 1D · Combo

Lost 2-6,4-6

−0.09

Antonio’s side

Antonio AmbrizCurrently on DIAMOND HILLS CM8.5A

3.95

Aaron Lee(partner)Currently on DIAMOND HILLS CM8.5A

4.02

Opponents

Richard ChapmanCurrently on WALNUT CREEK RC/Walnut Creek TC 55MX9.0A

4.62

Arjun PCurrently on REFUGIO PK CM8.5A

4.01

Combo rating 4.09 → 4.00Doubles result

Oct 3, 2026 · Doubles · 1D · Combo

Won 6-2,7-6

+0.21

Antonio’s side

Antonio AmbrizCurrently on DIAMOND HILLS CM8.5A

3.95

Aaron Lee(partner)Currently on DIAMOND HILLS CM8.5A

4.02

Opponents

Ryan LehmerCurrently on WALNUT CREEK RC/Walnut Creek TC CM9.5A

4.45

Parag BhattCurrently on WALNUT CREEK RC/Walnut Creek TC CM8.5A

4.11

Combo rating 3.88 → 4.09Doubles result

Sep 26, 2026 · Doubles · 1D · Combo

Lost 4-6,2-6

−0.09

Antonio’s side

Antonio AmbrizCurrently on DIAMOND HILLS CM8.5A

3.95

Mitch Pruett(partner)Currently on DIAMOND HILLS CM8.5A

3.62

Opponents

Sang Woo HamCurrently on WASHINGTON PK - BURLINGAME CM7.5A

4.01

Aleksander KlibiszCurrently on LAFAYETTE TC CM9.5A

4.22

Combo rating 3.97 → 3.88Doubles result

Sep 19, 2026 · Doubles · 2D · Combo

Lost 3-6,2-6

−0.06

Antonio’s side

Antonio AmbrizCurrently on DIAMOND HILLS CM8.5A

3.95

Doug Bounds(partner)Currently on DIAMOND HILLS CM8.5A

3.98

Opponents

Parag BhattCurrently on WALNUT CREEK RC/Walnut Creek TC CM8.5A

4.11

Ryan LehmerCurrently on WALNUT CREEK RC/Walnut Creek TC CM9.5A

4.45

Combo rating 4.03 → 3.97Doubles result

Sep 11, 2026 · Doubles · 2D · Combo

Won 7-6,6-3

+0.09

Antonio’s side

Antonio AmbrizCurrently on DIAMOND HILLS CM8.5A

3.95

Jeff Dalton(partner)Currently on DIAMOND HILLS CM8.5A

3.87

Opponents

Carlos CarbajalCurrently on WILLOW PASS PK CM8.5A

3.83

William YehCurrently on WILLOW PASS PK CM8.5A

3.69

Combo rating 3.93 → 4.03Doubles result

Sep 5, 2026 · Doubles · 3D · Combo

Lost 6-2,4-6,0-1

−0.05

Antonio’s side

Antonio AmbrizCurrently on DIAMOND HILLS CM8.5A

3.95

Maxwell Njelita(partner)Currently on DIAMOND HILLS CM8.5A

3.69

Opponents

Alex AguilarCurrently on WALNUT CREEK RC/Walnut Creek TC CM8.5B

4.08

Joseph BarnesCurrently on WALNUT CREEK RC/Walnut Creek TC CM8.5B

4.18

Combo rating 3.98 → 3.93Doubles result

Aug 28, 2026 · Doubles · 2D · Combo

Lost 4-6,5-7

−0.11

Antonio’s side

Antonio AmbrizCurrently on DIAMOND HILLS CM8.5A

3.95

Maxwell Njelita(partner)Currently on DIAMOND HILLS CM8.5A

3.69

Opponents

Rob VasselCurrently on ROUND HILL CC CM8.5A

4.36

Lars BarfodCurrently on ROUND HILL CC CM8.5A

3.77

Combo rating 4.09 → 3.98Doubles result

Jun 11, 2026 · Doubles

Won 6-1,6-4

+0.02

Antonio’s side

Antonio AmbrizCurrently on DIAMOND HILLS CM8.5A

4.21

Carlos Manuel(partner)Currently on DIAMOND HILLS CM8.5A

4.19

Opponents

Dirk GilliardCurrently on ROUND HILL CC CM8.5A

3.74

Stephan JohnsonCurrently on ROUND HILL CC CM8.5A

3.66

Rating 4.19 → 4.21Doubles result

Jun 7, 2026 · Doubles

Won 6-4,4-6,1-0

+0.03

Antonio’s side

Antonio AmbrizCurrently on DIAMOND HILLS CM8.5A

4.21

Drew Hackman(partner)

4.21

Opponents

Dirk GilliardCurrently on ROUND HILL CC CM8.5A

3.74

Anthony KimCurrently on ROUND HILL CC CM8.5A

3.85

Rating 4.15 → 4.19Doubles result

Jun 5, 2026 · Doubles

Lost 6-7,3-6

−0.06

Antonio’s side

Antonio AmbrizCurrently on DIAMOND HILLS CM8.5A

4.21

Marcelo Nunes(partner)Currently on WILLOW PASS PK CM8.5A

4.09

Opponents

Jonathon FeyerhermCurrently on LAFAYETTE TC CM9.5A

4.36

Dae KimCurrently on LAFAYETTE TC CM9.5A

4.50

Rating 4.22 → 4.15Doubles result

May 30, 2026 · Doubles

Won 7-5,6-2

+0.11

Antonio’s side

Antonio AmbrizCurrently on DIAMOND HILLS CM8.5A

4.21

Carlos Manuel(partner)Currently on DIAMOND HILLS CM8.5A

4.19

Opponents

Josef Nunez

4.10

Martin NunezCurrently on VALLEY VISTA RC/VVRC COURTS 55MX9.0A

4.09

Rating 4.11 → 4.22Doubles result

May 27, 2026 · Doubles

Won 6-1,6-3

+0.17

Antonio’s side

Antonio AmbrizCurrently on DIAMOND HILLS CM8.5A

4.21

Seth Reed(partner)Currently on WILLOW PASS PK CM8.5A

4.37

Opponents

Brian HennessyCurrently on WALNUT CREEK RC/Walnut Creek TC CM8.5A

4.01

Alex JamesCurrently on WALNUT CREEK RC/Walnut Creek TC CM8.5A

4.31

Rating 3.94 → 4.11Doubles result

May 24, 2026 · Singles

Lost 6-7,2-6

−0.02

Antonio’s side

Antonio AmbrizCurrently on DIAMOND HILLS CM8.5A

4.21

Opponents

Ryan LehmerCurrently on WALNUT CREEK RC/Walnut Creek TC CM9.5A

4.63

Rating 3.96 → 3.94Singles result

May 10, 2026 · Singles

Lost 2-6,6-3,0-1

−0.03

Antonio’s side

Antonio AmbrizCurrently on DIAMOND HILLS CM8.5A

4.21

Opponents

Aleksander KlibiszCurrently on LAFAYETTE TC CM9.5A

4.46

Rating 4.00 → 3.96Singles result

Apr 26, 2026 · Singles

Lost 3-6,7-6,0-1

−0.09

Antonio’s side

Antonio AmbrizCurrently on DIAMOND HILLS CM8.5A

4.21

Opponents

Joseph BarnesCurrently on WALNUT CREEK RC/Walnut Creek TC CM8.5B

4.27

Rating 4.08 → 4.00Singles result

Apr 19, 2026 · Doubles

Lost 4-6,4-6

−0.02

Antonio’s side

Antonio AmbrizCurrently on DIAMOND HILLS CM8.5A

4.21

Seth Reed(partner)Currently on WILLOW PASS PK CM8.5A

4.37

Opponents

Keith EdwardsCurrently on WALNUT CREEK RC/Walnut Creek TC CM9.5A

4.70

Jeff WongCurrently on WALNUT CREEK RC/Walnut Creek TC CM9.5A

4.79

Rating 4.10 → 4.08Doubles result

Mar 15, 2026 · Doubles · Mixed

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

+0.07

Antonio’s side

Antonio AmbrizCurrently on DIAMOND HILLS CM8.5A

4.03

Michelle Dayco(partner)Currently on WILLOW PASS PK CW7.5A

3.75

Opponents

Andrew BurkeCurrently on MORAGA CC CM7.5A

3.44

Kimberly PrastCurrently on MORAGA CC CW8.5A

4.03

Mixed rating 3.96 → 4.03Doubles result

Mar 14, 2026 · Doubles · Mixed

Lost 6-2,4-6,0-1

−0.08

Antonio’s side

Antonio AmbrizCurrently on DIAMOND HILLS CM8.5A

4.03

Michelle Dayco(partner)Currently on WILLOW PASS PK CW7.5A

3.75

Opponents

Sharleen HoustonCurrently on WALNUT CREEK RC/Walnut Creek TC CW8.5A

4.12

Marlon TanCurrently on WASHINGTON PK CM8.5A

4.08

Mixed rating 4.04 → 3.96Doubles result

Mar 4, 2026 · Doubles · Mixed

Lost 4-6,2-6

−0.12

Antonio’s side

Antonio AmbrizCurrently on DIAMOND HILLS CM8.5A

4.03

Michelle Dayco(partner)Currently on WILLOW PASS PK CW7.5A

3.75

Opponents

Eugene BeyderCurrently on WALNUT CREEK RC/Walnut Creek TC CM8.5A

4.03

Darcy BeaucheminCurrently on WALNUT CREEK RC/Walnut Creek TC CW8.5A

4.10

Mixed rating 4.16 → 4.04Doubles result

Feb 22, 2026 · Doubles · Mixed

Won 7-5,3-6,1-0

+0.05

Antonio’s side

Antonio AmbrizCurrently on DIAMOND HILLS CM8.5A

4.03

Michelle Dayco(partner)Currently on WILLOW PASS PK CW7.5A

3.75

Opponents

Kathleen PrudenCurrently on WALNUT CREEK RC/Walnut Creek TC CW7.5A

3.29

Martin DunlapCurrently on WALNUT CREEK RC/Walnut Creek TC 55MX8.0B

3.99

Mixed rating 4.11 → 4.16Doubles result

Feb 17, 2026 · Doubles · Mixed

Lost 3-6,2-6

−0.18

Antonio’s side

Antonio AmbrizCurrently on DIAMOND HILLS CM8.5A

4.03

Michelle Dayco(partner)Currently on WILLOW PASS PK CW7.5A

3.75

Opponents

Zhen ZhangCurrently on WALNUT CREEK RC/Walnut Creek TC 55MX8.0B

3.90

Dan GullionCurrently on WALNUT CREEK RC/Walnut Creek TC CM8.5B

4.05

Mixed rating 4.29 → 4.11Doubles result

Feb 14, 2026 · Doubles · Mixed

Won 6-3,6-4

+0.17

Antonio’s side

Antonio AmbrizCurrently on DIAMOND HILLS CM8.5A

4.03

Michelle Dayco(partner)Currently on WILLOW PASS PK CW7.5A

3.75

Opponents

Molly Harcos TamarikiCurrently on ST MARY CW7.5A-DT

4.07

Amit Ranade

4.13

Mixed rating 4.13 → 4.29Doubles result

Jan 31, 2026 · Doubles · Mixed

Lost 3-6,5-7

−0.11

Antonio’s side

Antonio AmbrizCurrently on DIAMOND HILLS CM8.5A

4.03

Michelle Dayco(partner)Currently on WILLOW PASS PK CW7.5A

3.75

Opponents

Ricky DuongCurrently on MERVYN MORRIS PK CM9.5A

4.41

Elaine HorngCurrently on WALNUT CREEK RC/Walnut Creek TC CW6.5C

3.76

Mixed rating 4.23 → 4.13Doubles result

Jan 25, 2026 · Doubles · Mixed

Lost 3-6,1-6

−0.16

Antonio’s side

Antonio AmbrizCurrently on DIAMOND HILLS CM8.5A

4.03

Michelle Dayco(partner)Currently on WILLOW PASS PK CW7.5A

3.75

Opponents

Brian HennessyCurrently on WALNUT CREEK RC/Walnut Creek TC CM8.5A

4.05

Maddie ThomasCurrently on WALNUT CREEK RC/Walnut Creek TC CW8.5A

4.05

Mixed rating 4.39 → 4.23Doubles result

Jan 18, 2026 · Doubles · Mixed

Won 6-2,7-6

+0.08

Antonio’s side

Antonio AmbrizCurrently on DIAMOND HILLS CM8.5A

4.03

Michelle Dayco(partner)Currently on WILLOW PASS PK CW7.5A

3.75

Opponents

Lisa ItaliaCurrently on WALNUT CREEK RC/Walnut Creek TC CW7.5B

3.54

Jeff Forbes

3.96

Mixed rating 4.31 → 4.39Doubles result

Jan 13, 2026 · Doubles · Mixed

Won 6-1,6-3

+0.01

Antonio’s side

Antonio AmbrizCurrently on DIAMOND HILLS CM8.5A

4.03

Michelle Dayco(partner)Currently on WILLOW PASS PK CW7.5A

3.75

Opponents

Sally BaileyCurrently on THE CLUB @LIVERMORE CW7.5A

3.39

Daren He

3.27

Mixed rating 4.30 → 4.31Doubles result

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

Best match

+0.21

Oct 3 vs R. Lehmer / P. Bhatt

Worst match

−0.11

Oct 31 vs C. Carbajal / B. Feinberg

Where you started ›4.44

2023 year-end NTRP 4.54.30

Scale calibration+0.14

Season start4.44

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+0.074.51

Pulled toward the 2025 year-end level+0.124.10

More about Antonio

Antonio Ambriz has been a USTA NorCal 4.5 since 2021, after starting at 4.0 in 2014. The estimated dynamic rating is 4.21, down 0.23 this season, with a 12–16 record in 2026 across regular, combo and mixed play. Most frequent partner: Michelle Dayco, 9–7 in 16 matches together.

Record

12–16

2026 season, 28 matches

8–20

2025 season, 28 matches

Longest winning streak

7–12

Matches that went to a third set or match tiebreak

Partners

Michelle Dayco16 matches together9–7
Carlos Manuel6 matches together3–3
Aaron Lee4 matches together2–2

Best wins

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

d. Vikram Kadi (4.5)Oct 23, 2026 · Combo6-7, 6-0, 1-0
d. Josef Nunez (4.5) / Martin Nunez (4.5)May 30, 2026 · Doubles7-5, 6-2

Year-end NTRP, 2014–2026

4.0 from 2014 to 2016, 4.5 from 2017 to 2019 and 4.5 from 2021 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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Antonio Ambriz: estimated dynamic rating

More about Antonio

Record

Partners

Best wins

Year-end NTRP, 2014–2026

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