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Player profile

Ronnie Yamanaka: estimated dynamic rating

Ronnie Yamanaka
USTA4.0
NorCal league player
3.90
Estimated dynamic rating
▲ +1.11 this season
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Combo · 2026
11 matches
4.284.023.77
Jan · 4.18
Oct · 3.95
Oct 30 · Doubles+0.18
W C. George / L. Witt
6-2,6-3 · 1D · with Gina Fong
Your combo rating, from combo matches only. It doesn’t move your 3.90.● 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

25 matches

Published NorCal results in 2026 — 11 scoring, 14 combo or mixed. Combo and mixed don’t affect NTRP ratings.

Oct 30, 2026 · Doubles · 1D · Combo

Won 6-2,6-3
+0.18

Ronnie’s side

Ronnie YamanakaCurrently on LAGUNA CREEK CW8.5A
3.95
Gina Fong(partner)Currently on GOLD RIVER RC CW8.5B
4.42

Opponents

Christina GeorgeCurrently on RIO DEL ORO CW8.5A-DT
3.95
Lisa WittCurrently on RIO DEL ORO CW8.5A-DT
3.96
Combo rating 3.77 → 3.95Doubles result

Oct 29, 2026 · Doubles · 1D · Combo

Lost 5-7,6-1,0-1
−0.04

Ronnie’s side

Ronnie YamanakaCurrently on LAGUNA CREEK CW8.5A
3.95
Jane Fortner(partner)Currently on LAGUNA CREEK CW8.5A
4.06

Opponents

Jennifer MattosCurrently on GOLD RIVER RC CW8.5C
4.17
Kimberly LewisCurrently on ROLLINGWOOD 55MX8.0A
4.34
Combo rating 3.81 → 3.77Doubles result

Oct 18, 2026 · Doubles · 3D · Combo

Lost 0-6,2-6
−0.04

Ronnie’s side

Ronnie YamanakaCurrently on LAGUNA CREEK CW8.5A
3.95
Jane Fortner(partner)Currently on LAGUNA CREEK CW8.5A
4.06

Opponents

Heather CowanCurrently on JOHNSON RANCH CW8.5A-DT
4.27
Sara PallasCurrently on RIO DEL ORO CW7.5A-DT
4.32
Combo rating 3.84 → 3.81Doubles result

Sep 18, 2026 · Doubles · 3D · Combo

Lost 3-6,4-6
−0.04

Ronnie’s side

Ronnie YamanakaCurrently on LAGUNA CREEK CW8.5A
3.95
Milla Austin(partner)Currently on LAGUNA CREEK CW8.5A
4.12

Opponents

Alexandra AccinelliCurrently on RIO DEL ORO CW8.5A-DT
4.63
Heidi HunterCurrently on RIO DEL ORO CW8.5A-DT
4.15
Combo rating 4.01 → 3.97Doubles result

Sep 17, 2026 · Doubles · 2D · Combo

Lost 4-6,6-2,0-1
−0.10

Ronnie’s side

Ronnie YamanakaCurrently on LAGUNA CREEK CW8.5A
3.95
Jane Fortner(partner)Currently on LAGUNA CREEK CW8.5A
4.06

Opponents

Deborah DesousaCurrently on GOLD RIVER RC CW8.5B
3.98
Sarah CrowellCurrently on RIO DEL ORO CW8.5A-DT
3.89
Combo rating 4.11 → 4.01Doubles result

Sep 16, 2026 · Doubles · 3D · Combo

Lost 6-3,1-6,0-1
−0.16

Ronnie’s side

Ronnie YamanakaCurrently on LAGUNA CREEK CW8.5A
3.95
Milla Austin(partner)Currently on LAGUNA CREEK CW8.5A
4.12

Opponents

Karen EdlingCurrently on YUBA CITY RC CW8.5A
3.95
Robyn StilesCurrently on YUBA CITY RC CW8.5A
3.67
Combo rating 4.28 → 4.11Doubles result

Sep 9, 2026 · Doubles · 1D · Combo

Won 6-4,6-2
+0.10

Ronnie’s side

Ronnie YamanakaCurrently on LAGUNA CREEK CW8.5A
3.95
Kimberly Becker(partner)Currently on ROLLINGWOOD 55MX8.0A
4.43

Opponents

Megan BentleyCurrently on JOHNSON RANCH CW8.5A-DT
4.36
Kathy JoachimCurrently on RIO DEL ORO 55MX8.0A
3.72
Combo rating 4.18 → 4.28Doubles result

Aug 8, 2026 · Doubles

Won 6-0,6-2
+0.09

Ronnie’s side

Ronnie YamanakaCurrently on LAGUNA CREEK CW8.5A
3.90
Kristen Johnson(partner)Currently on JOHNSON RANCH CW8.5A-DT
4.30

Opponents

Chamane IflandCurrently on SOLANO TA/CENTENNIAL PRK CW7.5A
3.80
Joann ClarkCurrently on SOLANO TA/CENTENNIAL PRK CW7.5A
3.87
Rating 3.81 → 3.90Doubles result

Aug 7, 2026 · Doubles

Won 6-0,3-6,1-0
+0.11

Ronnie’s side

Ronnie YamanakaCurrently on LAGUNA CREEK CW8.5A
3.90
Jennifer Pagador(partner)Currently on JOHNSON RANCH CW7.5A-DT
4.21

Opponents

Kelley KrockCurrently on PLEASANTON CW8.5C
3.84
Allyson GarciaCurrently on WALNUT CREEK RC/Walnut Creek TC CW8.5A
4.05
Rating 3.70 → 3.81Doubles result

Jun 12, 2026 · Doubles

Lost 3-6,4-6
−0.08

Ronnie’s side

Ronnie YamanakaCurrently on LAGUNA CREEK CW8.5A
3.90
Gina Costello(partner)Currently on RIO DEL ORO CW8.5A-DT
4.07

Opponents

Milla AustinCurrently on LAGUNA CREEK CW8.5A
4.27
So Jung YoonCurrently on GOLD RIVER RC CW8.5B
4.12
Rating 3.78 → 3.70Doubles result

May 1, 2026 · Doubles

Lost 6-3,3-6,0-1
−0.05

Ronnie’s side

Ronnie YamanakaCurrently on LAGUNA CREEK CW8.5A
3.90
Faye Patterson(partner)Currently on JOHNSON RANCH CW8.5A-DT
4.24

Opponents

Irene StaffordCurrently on GOLD RIVER RC CW8.5D
3.97
Amy PuttyCurrently on GOLD RIVER RC CW8.5D
4.12
Rating 3.33 → 3.27Doubles result

Apr 29, 2026 · Doubles

Lost 2-6,3-6
−0.01

Ronnie’s side

Ronnie YamanakaCurrently on LAGUNA CREEK CW8.5A
3.90
Gina Costello(partner)Currently on RIO DEL ORO CW8.5A-DT
4.07

Opponents

Tinyee ChangCurrently on GOLD RIVER RC CW8.5B
4.51
Melissa ColeCurrently on ROLLINGWOOD 55MX8.0A
4.46
Rating 3.34 → 3.33Doubles result

Feb 8, 2026 · Doubles · Mixed

Lost 2-6,5-7
−0.11

Ronnie’s side

Ronnie YamanakaCurrently on LAGUNA CREEK CW8.5A
3.92
Dinh Tran(partner)Currently on SHELDON PK CM8.5A
4.11

Opponents

Aleksandr A BgatovCurrently on ROSEVILLE LIFE TIME CM8.5A
4.21
Lindsey WilsonCurrently on LAGUNA CREEK CW8.5A
3.98
Mixed rating 4.11 → 4.00Doubles result

Feb 1, 2026 · Doubles · Mixed

Lost 4-6,6-2,0-1
−0.08

Ronnie’s side

Ronnie YamanakaCurrently on LAGUNA CREEK CW8.5A
3.92
Jeffrey Chale(partner)Currently on JOHNSON RANCH CM8.5A
4.32

Opponents

David BrownCurrently on GOLD RIVER RC CM8.5A
4.28
Xuan LiCurrently on RIO DEL ORO 55MX8.0A
3.95
Mixed rating 4.20 → 4.11Doubles result

Jan 24, 2026 · Doubles · Combo

Won 7-5,6-1
+0.06

Ronnie’s side

Ronnie YamanakaCurrently on LAGUNA CREEK CW8.5A
3.95
Lauren Meegan(partner)Currently on JOHNSON RANCH CW8.5A
4.26

Opponents

Xindi XuCurrently on SUNNYVALE MTC CW6.5B
3.74
Elaine ZhaoCurrently on SUNNYVALE MTC CW7.5B
3.67
Combo rating 4.12 → 4.18Doubles result

Jan 23, 2026 · Doubles · Combo

Won 6-3,6-2
+0.07

Ronnie’s side

Ronnie YamanakaCurrently on LAGUNA CREEK CW8.5A
3.95
Lauren Meegan(partner)Currently on JOHNSON RANCH CW8.5A
4.26

Opponents

Jazelle NonoCurrently on STONEBRAE CC CW6.5A-DT
3.51
Tammi HodsdonCurrently on BAY TREES PK CW7.5A-DT
3.98
Combo rating 4.18 → 4.25Doubles result

Jan 23, 2026 · Doubles · Combo

Lost 5-7,6-3,0-1
−0.13

Ronnie’s side

Ronnie YamanakaCurrently on LAGUNA CREEK CW8.5A
3.95
Kristen Johnson(partner)Currently on JOHNSON RANCH CW8.5A-DT
4.52

Opponents

Emily BellCurrently on MARIN TC CW8.5A
4.35
Angela LeeCurrently on MARIN TC CW7.5A
3.67
Combo rating 4.25 → 4.12Doubles result

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

Best match
+0.18
Oct 30 vs C. George / L. Witt
Worst match
−0.16
Sep 16 vs K. Edling / R. Stiles
Where you started ›2.79
2023 year-end NTRP 3.02.65
Scale calibration+0.14
Season start2.79
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−0.152.64
Pulled toward the 2025 year-end level−0.223.34

More about Ronnie

Ronnie Yamanaka is a USTA NorCal 4.0 in 2026, up from 3.5 in 2025. The estimated dynamic rating is 3.90, up 1.11 this season, with a 14–13 record in 2026 across regular, combo and mixed play. Most frequent partner: Kristen Johnson, 6–2 in 8 matches together.

Record

14–13
2026 season, 27 matches
30–12
2025 season, 42 matches
9
Longest winning streak
8–14
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, 2019–2026

3.0 in 2019, 3.0 from 2022 to 2023, 3.5 from 2024 to 2025 and 4.0 in 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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