MatchPoint

Player profile

Sang Eun Ko’s NorCal tennis rating

Sang Eun Ko
USTA 3.0 · NorCal league player
2.71
current
▼ −0.08 this season

Other formats · don’t affect your rating above

Combo 2.78Mixed 2.93
USTA3.00
2026
19 matches
2.932.722.50
Jan · 2.81
Jun · 2.71
Aug 30 · Doubles−0.02
L R. Matlock / Z. Hartfield
1-6,6-2,0-1 · 3D · with Julie Lyon
● Won ● Lost · Select a point to see that match.Your whole season is recalculated every night, so earlier points can shift as new results come in.

Current season

19 matches

Published NorCal results in 2026 — 15 scoring, 4 combo or mixed. Combo and mixed don’t affect NTRP ratings.

Aug 30, 2026 · Doubles · 3D · Combo

Lost 1-6,6-2,0-1
−0.02

Sang’s side

Sang Eun KoCurrently on MOUNTAIN VIEW TC/RENGSTORFF PK 40MX7.0A
2.78
Julie Lyon(partner)Currently on MORGAN HILL TC/MORGAN HILL TC CW5.5A-DT
2.74

Opponents

Robin MatlockCurrently on LOS GATOS SR CW6.5A-DT
3.16
Zoe HartfieldCurrently on LOS GATOS SR CW5.5A
3.51
Combo rating 2.80 → 2.78Doubles result

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

Aug 15, 2026 · Doubles · 3D · Mixed

Lost 4-6,7-6,0-1
−0.01

Sang’s side

Sang Eun KoCurrently on MOUNTAIN VIEW TC/RENGSTORFF PK 40MX7.0A
2.93
Steve Tsai(partner)Currently on MOUNTAIN VIEW TC/RENGSTORFF PK CM7.5A
3.74

Opponents

Max ChengCurrently on UNIVERSITY CLUB PA CM7.5A
3.50
Yibin TangCurrently on SAN CARLOS TC/ARGUELLO PK CW6.5C
3.44
Mixed rating 2.94 → 2.93Doubles result

Mixed results move their own rating, not your NTRP — USTA computes NTRP from adult singles and doubles only.

Jul 5, 2026 · Doubles · Mixed

Lost 6-1,3-6,0-1
−0.03

Sang’s side

Sang Eun KoCurrently on MOUNTAIN VIEW TC/RENGSTORFF PK 40MX7.0A
2.93
Steve Tsai(partner)Currently on MOUNTAIN VIEW TC/RENGSTORFF PK CM7.5A
3.74

Opponents

Amit SridharanCurrently on UNIVERSITY CLUB PA CM7.5A
3.24
Karelle CelestinCurrently on UNIVERSITY CLUB PA CW7.5A-DT
3.30
Mixed rating 2.97 → 2.94Doubles result

Mixed results move their own rating, not your NTRP — USTA computes NTRP from adult singles and doubles only.

Jun 20, 2026 · Doubles · Mixed

Won 6-2,6-7,1-0
+0.18

Sang’s side

Sang Eun KoCurrently on MOUNTAIN VIEW TC/RENGSTORFF PK 40MX7.0A
2.93
Steve Tsai(partner)Currently on MOUNTAIN VIEW TC/RENGSTORFF PK CM7.5A
3.74

Opponents

Pookie KochatchawanCurrently on UNIVERSITY CLUB PA 55MX7.0A
3.17
Mark BelinskyCurrently on FREMONT HILLS CC CM6.5A
3.15
Mixed rating 2.79 → 2.97Doubles result

Mixed results move their own rating, not your NTRP — USTA computes NTRP from adult singles and doubles only.

Jun 14, 2026 · Singles

Lost 1-6,3-6
−0.02

Sang’s side

Sang Eun KoCurrently on MOUNTAIN VIEW TC/RENGSTORFF PK 40MX7.0A
2.71

Opponents

Mathangi VenkatesanCurrently on SUNNYVALE MTC CW6.5A
3.15
Rating 2.73 → 2.71Singles result

May 31, 2026 · Doubles

Won 6-7,6-1,1-0
+0.15

Sang’s side

Sang Eun KoCurrently on MOUNTAIN VIEW TC/RENGSTORFF PK 40MX7.0A
2.71
Sarah Holland(partner)Currently on BROADSTONE RC CW6.5A
2.78

Opponents

Melissa LandCurrently on ALPINE HILLS CW6.5A
2.69
Aimee ArmsbyCurrently on ALPINE HILLS CW6.5A
2.86
Rating 2.58 → 2.73Doubles result

May 9, 2026 · Doubles

Lost 4-6,6-2,0-1
−0.07

Sang’s side

Sang Eun KoCurrently on MOUNTAIN VIEW TC/RENGSTORFF PK 40MX7.0A
2.71
Klara Turner(partner)Currently on SARATOGA CC CW5.5A-DT
2.75

Opponents

Cheryl HoCurrently on CUESTA TC CW6.5B
2.96
Ai-fen ShieuCurrently on CUPERTINO TC/CUPERTINO SC CW6.5A
2.77
Rating 2.65 → 2.58Doubles result

May 3, 2026 · Doubles

Won 7-6,6-3
+0.16

Sang’s side

Sang Eun KoCurrently on MOUNTAIN VIEW TC/RENGSTORFF PK 40MX7.0A
2.71
Yaowei Guo(partner)Currently on SUNNYVALE TC/SUNNYVALE MTC CW6.5C
2.98

Opponents

Valerie DunckerCurrently on LOS ALTOS GCC CW5.5A-DT
2.73
Chunhong ZhouCurrently on SUNNYVALE MTC CW6.5E
2.90
Rating 2.50 → 2.65Doubles result

Apr 25, 2026 · Singles

Lost 7-6,1-6,0-1
−0.04

Sang’s side

Sang Eun KoCurrently on MOUNTAIN VIEW TC/RENGSTORFF PK 40MX7.0A
2.71

Opponents

Janeen PoutreCurrently on ALPINE HILLS CW6.5A-DT
2.94
Rating 2.54 → 2.50Singles result

Apr 2, 2026 · Doubles

Lost 2-6,0-6
−0.03

Sang’s side

Sang Eun KoCurrently on MOUNTAIN VIEW TC/RENGSTORFF PK 40MX7.0A
2.71
Deborah Baker(partner)Currently on MORGAN HILL TC/MORGAN HILL TC CW5.5A-DT
2.64

Opponents

Julie MillsCurrently on ALMADEN SR CW6.5A
2.99
Monika MilesCurrently on ALMADEN VAC CW7.5A
3.03
Rating 2.57 → 2.54Doubles result

Mar 14, 2026 · Singles

Lost 2-6,2-6
−0.20

Sang’s side

Sang Eun KoCurrently on MOUNTAIN VIEW TC/RENGSTORFF PK 40MX7.0A
2.71

Opponents

Mary LowCurrently on BAY CLUB COURTSIDE CW5.5A
2.62
Rating 2.77 → 2.57Singles result

Mar 7, 2026 · Doubles

Won 6-1,3-6,1-0
+0.15

Sang’s side

Sang Eun KoCurrently on MOUNTAIN VIEW TC/RENGSTORFF PK 40MX7.0A
2.71
Laura Schenkelberg(partner)Currently on RIO DEL MAR 40MX7.0A
2.89

Opponents

Veena McdiarmidCurrently on LOS GATOS SR CW6.5B
2.89
Haik RussellCurrently on LOS GATOS SR 40MX7.0B
2.88
Rating 2.63 → 2.77Doubles result

Feb 22, 2026 · Singles

Lost 6-7,0-6
−0.15

Sang’s side

Sang Eun KoCurrently on MOUNTAIN VIEW TC/RENGSTORFF PK 40MX7.0A
2.71

Opponents

Kyeongim ChoiCurrently on SILVER CREEK CW6.5A-DT
2.71
Rating 2.77 → 2.63Singles result

Feb 21, 2026 · Singles

Lost 3-6,1-6
−0.01

Sang’s side

Sang Eun KoCurrently on MOUNTAIN VIEW TC/RENGSTORFF PK 40MX7.0A
2.71

Opponents

Camille FreemanCurrently on BAY CLUB COURTSIDE CW6.5A
3.53
Rating 2.78 → 2.77Singles result

Feb 1, 2026 · Singles

Lost 1-6,2-6
−0.07

Sang’s side

Sang Eun KoCurrently on MOUNTAIN VIEW TC/RENGSTORFF PK 40MX7.0A
2.71

Opponents

Charla Serbent
3.25
Rating 2.76 → 2.69Singles result

Jan 31, 2026 · Singles

Lost 5-7,2-6
−0.07

Sang’s side

Sang Eun KoCurrently on MOUNTAIN VIEW TC/RENGSTORFF PK 40MX7.0A
2.71

Opponents

Theresa OppCurrently on SUNNYVALE TC/SUNNYVALE MTC CW6.5A-DT
2.96
Rating 2.83 → 2.76Singles result

Jan 28, 2026 · Singles

Lost 3-6,2-6
−0.11

Sang’s side

Sang Eun KoCurrently on MOUNTAIN VIEW TC/RENGSTORFF PK 40MX7.0A
2.71

Opponents

Alexandra KosevaCurrently on SUNNYVALE MTC CW6.5C-DT
2.84
Rating 2.93 → 2.83Singles result

Jan 17, 2026 · Doubles

Won 6-3,6-3
+0.13

Sang’s side

Sang Eun KoCurrently on MOUNTAIN VIEW TC/RENGSTORFF PK 40MX7.0A
2.71
Laura Schenkelberg(partner)Currently on RIO DEL MAR 40MX7.0A
2.89

Opponents

Syeda BadarCurrently on SILVER CREEK CW6.5A-DT
2.52
Mirta LuqueCurrently on SUNNYVALE TC/SUNNYVALE MTC 40MX6.0B
2.74
Rating 2.81 → 2.93Doubles result
Best match
+0.16
May 3 vs V. Duncker / C. Zhou
Worst match
−0.20
Mar 14 vs Mary Low
▲
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 Sep 20

Sang Eun Ko’s MatchPoint NorCal tennis rating is 2.71, an independent estimate based on published NorCal league results through September 20, 2026. They are currently rostered on 2 active NorCal league teams.

MatchPoint ratings are estimates based on published USTA NorCal league results. Data through September 20, 2026.

Year-end re-anchoring
Pulled toward the 2024 year-end level+0.032.82
Pulled toward the 2025 year-end level+0.032.81

Captain a team?

Win more matches with less captain work.

Use ratings, availability, and opponent context to build better lineups—and get your time back.

Set up my team