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Player profile

Unjin Choi: estimated dynamic rating

Unjin Choi
USTA4.0
Bay Club Courtside
3.82
Estimated dynamic rating
▼ −0.07 this season
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Mixed · 2026
12 matches
3.713.523.34
Jan · 3.51
Oct · 3.63
Oct 31 · Doubles+0.14
W W. Riggs / M. Hammett
7-5,7-5 · 1D · with Insoo Park
Your mixed rating, from mixed matches only. It doesn’t move your 3.82.● 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

35 matches

Published NorCal results in 2026 — 12 scoring, 23 combo or mixed. Combo and mixed don’t affect NTRP ratings.

Oct 31, 2026 · Doubles · 1D · Mixed

Won 7-5,7-5
+0.14

Unjin’s side

Unjin ChoiCurrently on BAY CLUB COURTSIDE CW7.5A
3.63
Insoo Park(partner)Currently on BAY CLUB COURTSIDE CM7.5A
3.64

Opponents

Wendy RiggsCurrently on LOS GATOS SR CW8.5A-DT
3.51
Michael HammettCurrently on LOS GATOS SR CM7.5A
3.73
Mixed rating 3.50 → 3.63Doubles result

Oct 27, 2026 · Doubles · 2D · Combo

Won 6-2,6-1
+0.03

Unjin’s side

Unjin ChoiCurrently on BAY CLUB COURTSIDE CW7.5A
3.63
Susan Edwards(partner)Currently on BAY CLUB COURTSIDE CW7.5B-DT
3.36

Opponents

Kirsten CunninghamCurrently on BAY CLUB COURTSIDE CW7.5C
2.98
Vera ParengkuanCurrently on BAY CLUB COURTSIDE CW7.5C
3.24
Combo rating 3.60 → 3.63Doubles result

Oct 25, 2026 · Doubles · 2D · Combo

Won 6-3,6-2
+0.03

Unjin’s side

Unjin ChoiCurrently on BAY CLUB COURTSIDE CW7.5A
3.63
Katherine Sandell(partner)Currently on BAY CLUB COURTSIDE CW7.5A
3.49

Opponents

Joni MahoneyCurrently on BAY CLUB SANTA CLARA 55MX7.0A
3.33
Jing GuCurrently on BAY CLUB SF TENNIS CW7.5A
3.03
Combo rating 3.57 → 3.60Doubles result

Sep 22, 2026 · Doubles · 3D · Mixed

Lost 3-6,3-6
−0.08

Unjin’s side

Unjin ChoiCurrently on BAY CLUB COURTSIDE CW7.5A
3.63
Insoo Park(partner)Currently on BAY CLUB COURTSIDE CM7.5A
3.64

Opponents

Gary CunninghamCurrently on BAY CLUB COURTSIDE CM7.5B
3.69
Jeannine RobertsCurrently on BAY CLUB SANTA CLARA CW8.5A
4.19
Mixed rating 3.58 → 3.50Doubles result

Sep 20, 2026 · Doubles · 3D · Combo

Won 6-7,7-5,1-0
+0.07

Unjin’s side

Unjin ChoiCurrently on BAY CLUB COURTSIDE CW7.5A
3.63
Ginni Dhindsa(partner)Currently on BAY CLUB COURTSIDE CW7.5B-DT
3.36

Opponents

Melynda DavenportCurrently on ALMADEN SR CW7.5A
3.48
Rosy ChobanianCurrently on ALMADEN SR CW7.5A
3.35
Combo rating 3.50 → 3.57Doubles result

Sep 13, 2026 · Doubles · 3D · Mixed

Won 6-2,6-1
+0.15

Unjin’s side

Unjin ChoiCurrently on BAY CLUB COURTSIDE CW7.5A
3.63
Insoo Park(partner)Currently on BAY CLUB COURTSIDE CM7.5A
3.64

Opponents

Jennifer RobertsCurrently on LOS GATOS SR CW8.5A-DT
3.56
Kevin TzouCurrently on LOS GATOS SR 55MX8.0A
3.54
Mixed rating 3.43 → 3.58Doubles result

Sep 8, 2026 · Doubles · 2D · Combo

Lost 6-7,2-6
−0.11

Unjin’s side

Unjin ChoiCurrently on BAY CLUB COURTSIDE CW7.5A
3.63
Weiwei Luan(partner)Currently on BAY CLUB SANTA CLARA CW7.5A
3.60

Opponents

Amy ClarkCurrently on SUNNYVALE MTC CW8.5B
4.11
Pauline TeunissenCurrently on SUNNYVALE TC/SUNNYVALE MTC CW6.5C
3.34
Combo rating 3.61 → 3.50Doubles result

Aug 29, 2026 · Doubles · 3D · Mixed

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

Unjin’s side

Unjin ChoiCurrently on BAY CLUB COURTSIDE CW7.5A
3.63
Dong-Young Chang(partner)Currently on BAY CLUB COURTSIDE CM7.5A
3.66

Opponents

Carrie P BellCurrently on LOS GATOS SR S70W8.0A
3.77
Mark DawsonCurrently on LOS GATOS SR CM8.5A
3.47
Mixed rating 3.34 → 3.43Doubles result

Aug 15, 2026 · Doubles · 1D · Mixed

Lost 2-6,3-6
−0.09

Unjin’s side

Unjin ChoiCurrently on BAY CLUB COURTSIDE CW7.5A
3.63
Insoo Park(partner)Currently on BAY CLUB COURTSIDE CM7.5A
3.64

Opponents

Rachel BanseCurrently on MORGAN HILL TC/MORGAN HILL TC CW8.5A
3.69
Octavio FarfanCurrently on MORGAN HILL TC/MORGAN HILL TC CM8.5A
3.79
Mixed rating 3.42 → 3.34Doubles result

Jul 22, 2026 · Doubles · Mixed

Lost 6-4,3-6,0-1
−0.04

Unjin’s side

Unjin ChoiCurrently on BAY CLUB COURTSIDE CW7.5A
3.63
Dong-Young Chang(partner)Currently on BAY CLUB COURTSIDE CM7.5A
3.66

Opponents

Sonia WhitfieldCurrently on BAY CLUB COURTSIDE CW7.5A
3.80
Tom KentCurrently on BAY CLUB COURTSIDE 55MX8.0A
3.95
Mixed rating 3.46 → 3.42Doubles result

Jun 30, 2026 · Doubles · Mixed

Lost 4-6,1-6
−0.03

Unjin’s side

Unjin ChoiCurrently on BAY CLUB COURTSIDE CW7.5A
3.63
Chris Joseph(partner)Currently on BAY CLUB SANTA CLARA CM7.5A
3.52

Opponents

Louise PeterCurrently on ALMADEN SR CW7.5A
3.87
Herve AlexanianCurrently on ARAGON HS 55MX9.0A
4.33
Mixed rating 3.49 → 3.46Doubles result

Jun 20, 2026 · Doubles · Mixed

Lost 4-6,2-6
−0.06

Unjin’s side

Unjin ChoiCurrently on BAY CLUB COURTSIDE CW7.5A
3.63
Rodney Wade(partner)Currently on BAY CLUB SANTA CLARA CM8.5A
3.79

Opponents

Dai TruongCurrently on PLEASANTON CM8.5A
3.95
Lori Cruz-SprayCurrently on MOUNTAIN VIEW TC/RENGSTORFF PK CW8.5A-DT
3.74
Mixed rating 3.55 → 3.49Doubles result

Jun 14, 2026 · Doubles · Combo

Lost 3-6,5-7
−0.15

Unjin’s side

Unjin ChoiCurrently on BAY CLUB COURTSIDE CW7.5A
3.63
Nancy Murray(partner)Currently on BAY CLUB COURTSIDE CW8.5B
3.62

Opponents

Gloria HanCurrently on SUNNYVALE TC/SUNNYVALE MTC CW8.5A-DT
3.66
Paula GuslaniCurrently on LOS ALTOS GCC CW7.5A-DT
3.57
Combo rating 3.87 → 3.72Doubles result

Jun 14, 2026 · Doubles

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

Unjin’s side

Unjin ChoiCurrently on BAY CLUB COURTSIDE CW7.5A
3.82
Joni Bartlett(partner)Currently on BAY CLUB COURTSIDE CW8.5B
3.82

Opponents

Lufei WangCurrently on SUNNYVALE MTC CW7.5B
3.66
Zuying GaoCurrently on SUNNYVALE MTC CW8.5C
3.79
Rating 3.72 → 3.82Doubles result

Jun 12, 2026 · Doubles · Mixed

Lost 4-6,4-6
−0.16

Unjin’s side

Unjin ChoiCurrently on BAY CLUB COURTSIDE CW7.5A
3.63
Insoo Park(partner)Currently on BAY CLUB COURTSIDE CM7.5A
3.64

Opponents

Gregory NicholsCurrently on LOS GATOS SR CM8.5A
3.48
Kelly NicholsCurrently on LOS GATOS SR CW8.5A-DT
3.70
Mixed rating 3.71 → 3.55Doubles result

Jun 9, 2026 · Doubles

Lost 6-2,5-7,0-1
−0.16

Unjin’s side

Unjin ChoiCurrently on BAY CLUB COURTSIDE CW7.5A
3.82
Joni Bartlett(partner)Currently on BAY CLUB COURTSIDE CW8.5B
3.82

Opponents

Kristin PerryCurrently on MORGAN HILL TC/MORGAN HILL TC CW8.5A
3.79
Margaret A. RoderickCurrently on LOS GATOS SR S70W8.0A
3.63
Rating 3.87 → 3.72Doubles result

May 19, 2026 · Doubles · Combo

Lost 2-6,1-6
−0.11

Unjin’s side

Unjin ChoiCurrently on BAY CLUB COURTSIDE CW7.5A
3.63
Deena Elfar(partner)Currently on BAY CLUB COURTSIDE CW7.5C
3.24

Opponents

Sisine MercadoCurrently on MORGAN HILL TC/MORGAN HILL TC CW8.5A
3.97
Julie BoncherCurrently on ALMADEN SR CW7.5A
3.63
Combo rating 3.97 → 3.87Doubles result

May 18, 2026 · Doubles · Combo

Won 6-4,6-4
+0.12

Unjin’s side

Unjin ChoiCurrently on BAY CLUB COURTSIDE CW7.5A
3.63
Hilary Butler(partner)Currently on BAY CLUB COURTSIDE CW7.5B-DT
3.52

Opponents

Wendy RiggsCurrently on LOS GATOS SR CW8.5A-DT
3.51
Patti RottjakobCurrently on MORGAN HILL TC/MORGAN HILL TC CW8.5A
3.64
Combo rating 3.86 → 3.97Doubles result

May 17, 2026 · Doubles · Combo

Lost 3-6,2-6
−0.15

Unjin’s side

Unjin ChoiCurrently on BAY CLUB COURTSIDE CW7.5A
3.63
Joni Bartlett(partner)Currently on BAY CLUB COURTSIDE CW8.5B
3.53

Opponents

Sisine MercadoCurrently on MORGAN HILL TC/MORGAN HILL TC CW8.5A
3.97
Denise GalocyCurrently on MORGAN HILL TC/MORGAN HILL TC CW7.5A-DT
3.22
Combo rating 4.01 → 3.86Doubles result

May 10, 2026 · Doubles

Won 6-4,7-5
+0.13

Unjin’s side

Unjin ChoiCurrently on BAY CLUB COURTSIDE CW7.5A
3.82
Joni Bartlett(partner)Currently on BAY CLUB COURTSIDE CW8.5B
3.82

Opponents

Cindy Hyeok KimCurrently on SUNNYVALE MTC CW7.5D-DT
3.76
Reina RampellCurrently on LOS ALTOS GCC CW7.5A-DT
3.79
Rating 3.75 → 3.87Doubles result

May 6, 2026 · Doubles · Combo

Won 6-0,6-0
+0.06

Unjin’s side

Unjin ChoiCurrently on BAY CLUB COURTSIDE CW7.5A
3.63
Lisa Backus(partner)Currently on SUNNYVALE MTC CW8.5D
3.93

Opponents

Frances Caroline GardhouseCurrently on SILVER CREEK CW7.5A
3.66
Alice IsaacsonCurrently on SANTA CLARA TC/SANTA CLARA TENNIS C CW7.5A
3.16
Combo rating 3.95 → 4.01Doubles result

Apr 7, 2026 · Doubles · Combo

Won 6-2,6-0
+0.02

Unjin’s side

Unjin ChoiCurrently on BAY CLUB COURTSIDE CW7.5A
3.63
Lisa Backus(partner)Currently on SUNNYVALE MTC CW8.5D
3.93

Opponents

Izumi YaskawaCurrently on CUPERTINO TC/CUPERTINO SC CW7.5A
3.03
Chie ImperatoCurrently on MOUNTAIN VIEW TC/RENGSTORFF PK CW6.5A-DT
3.27
Combo rating 3.93 → 3.95Doubles result

Mar 8, 2026 · Doubles

Won 5-7,6-2,1-0
+0.04

Unjin’s side

Unjin ChoiCurrently on BAY CLUB COURTSIDE CW7.5A
3.82
Diane Hudson(partner)Currently on BAY CLUB SANTA CLARA CW8.5A
3.69

Opponents

Kristin GiammonaCurrently on SAN JOSE SR CW7.5A
3.38
Shashi NavarCurrently on SAN JOSE SR CW7.5A
3.63
Rating 3.66 → 3.70Doubles result

Mar 6, 2026 · Doubles

Lost 4-6,6-7
−0.17

Unjin’s side

Unjin ChoiCurrently on BAY CLUB COURTSIDE CW7.5A
3.82
Shan Wang(partner)Currently on SUNNYVALE MTC CW8.5E
3.89

Opponents

Christine FronczakCurrently on BAY CLUB SANTA CLARA 55MX8.0A
3.40
Tracy GoepelCurrently on BAY CLUB SANTA CLARA CW8.5A
3.84
Rating 3.83 → 3.66Doubles result

Mar 1, 2026 · Doubles

Won 4-6,6-4,1-0
+0.01

Unjin’s side

Unjin ChoiCurrently on BAY CLUB COURTSIDE CW7.5A
3.82
Julie Blaha(partner)Currently on BAY CLUB SANTA CLARA CW8.5A
3.91

Opponents

Evelyn BarrettCurrently on BROOKSIDE CW7.5A
3.27
Volga B CalvelloCurrently on SANTA CLARA TC/SANTA CLARA TENNIS C CW7.5A
3.39
Rating 3.81 → 3.83Doubles result

Feb 26, 2026 · Doubles

Won 3-6,6-3,1-0
+0.07

Unjin’s side

Unjin ChoiCurrently on BAY CLUB COURTSIDE CW7.5A
3.82
Ella Wu(partner)Currently on RINCONADA PK 55MX8.0A
3.70

Opponents

Jennifer RobertsCurrently on LOS GATOS SR CW8.5A-DT
3.59
Wendy RiggsCurrently on LOS GATOS SR CW8.5A-DT
3.81
Rating 3.74 → 3.81Doubles result

Feb 21, 2026 · Doubles · Mixed

Won 6-3,3-6,1-0
+0.13

Unjin’s side

Unjin ChoiCurrently on BAY CLUB COURTSIDE CW7.5A
3.63
Insoo Park(partner)Currently on BAY CLUB COURTSIDE CM7.5A
3.64

Opponents

Philip MadriagaCurrently on MORGAN HILL TC/MORGAN HILL TC CM6.5A
3.60
Sisine MercadoCurrently on MORGAN HILL TC/MORGAN HILL TC CW8.5A
3.93
Mixed rating 3.58 → 3.71Doubles result

Feb 4, 2026 · Doubles

Won 6-2,6-1
+0.05

Unjin’s side

Unjin ChoiCurrently on BAY CLUB COURTSIDE CW7.5A
3.82
Hilary Butler(partner)Currently on BAY CLUB COURTSIDE CW7.5B-DT
3.79

Opponents

Jett KoketsuCurrently on SUNNYVALE MTC CW6.5C-DT
3.36
Maya GrosulCurrently on SANTA CLARA TC/SANTA CLARA TENNIS C CW7.5A
3.62
Rating 3.70 → 3.74Doubles result

Jan 18, 2026 · Doubles · Mixed

Won 6-3,4-4 RE
+0.16

Unjin’s side

Unjin ChoiCurrently on BAY CLUB COURTSIDE CW7.5A
3.63
Rodney Wade(partner)Currently on BAY CLUB SANTA CLARA CM8.5A
3.79

Opponents

Anna Wielosz
3.50
Vinay SubramanianCurrently on RIDGEMARK G&CC CM8.5A
4.01
Mixed rating 3.42 → 3.58Doubles result

Jan 14, 2026 · Doubles

Lost 6-7,1-6
−0.11

Unjin’s side

Unjin ChoiCurrently on BAY CLUB COURTSIDE CW7.5A
3.82
Patama Suvarnarat(partner)Currently on BAY CLUB COURTSIDE CW7.5A
3.59

Opponents

Wendy RiggsCurrently on LOS GATOS SR CW8.5A-DT
3.81
Kelly NicholsCurrently on LOS GATOS SR CW8.5A-DT
4.02
Rating 3.78 → 3.67Doubles result

Jan 13, 2026 · Doubles · Mixed

Lost 4-6,6-2,0-1
−0.09

Unjin’s side

Unjin ChoiCurrently on BAY CLUB COURTSIDE CW7.5A
3.63
Greg Riggs(partner)
3.38

Opponents

Alberto LlerenaCurrently on LOS GATOS SR CM7.5A
3.63
Donna KanekoCurrently on SUNNYVALE TC/SUNNYVALE MTC CW8.5F
3.87
Mixed rating 3.51 → 3.42Doubles result

Jan 6, 2026 · Doubles

Lost 1-6,4-6
−0.17

Unjin’s side

Unjin ChoiCurrently on BAY CLUB COURTSIDE CW7.5A
3.82
Diane Hudson(partner)Currently on BAY CLUB SANTA CLARA CW8.5A
3.69

Opponents

Eri SuzukiCurrently on SUNNYVALE MTC CW8.5B
3.80
Alba LevitasCurrently on LOS GATOS SR CW8.5A
3.81
Rating 3.95 → 3.78Doubles result

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

Best match
+0.16
Jan 18 vs A. Wielosz / V. Subramanian
Worst match
−0.16
Jun 12 vs G. Nichols / K. Nichols
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+0.023.91
Pulled toward the 2025 year-end level+0.013.95

More about Unjin

Unjin Choi has been a USTA NorCal 4.0 since 2022, after starting at 3.5 in 2018. The estimated dynamic rating is 3.82, down 0.07 this season, with a 20–16 record in 2026 across regular, combo and mixed play. Most frequent partner: Insoo Park, 3–4 in 7 matches together.

Record

20–16
2026 season, 36 matches
15–15
2025 season, 30 matches
6
Longest winning streak
13–9
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, 2018–2026

3.5 from 2018 to 2019, 4.0 in 2020 and 4.0 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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