MatchPoint

Player profile

Yulia Costello’s NorCal tennis rating

Yulia Costello
USTA 3.5 · NorCal league player
2.96
current
▲ +0.17 this season

Other formats · don’t affect your rating above

Combo 3.17Mixed 3.08
USTA3.50
2026
39 matches
3.653.302.96
Jan · 3.21
Jun · 2.96
Sep 15 · Doubles+0.15
W S. Lober / R. Kenny
6-0,6-1 · 2D · with Christina Kuo
● 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

39 matches

Published NorCal results in 2026 — 28 scoring, 11 combo or mixed. Combo and mixed don’t affect NTRP ratings.

Sep 15, 2026 · Doubles · 2D · Combo

Won 6-0,6-1
+0.15

Yulia’s side

Yulia CostelloCurrently on STONEBRAE CC CW6.5A-DT
3.17
Christina Kuo(partner)Currently on WASHINGTON PK CW6.5A
3.14

Opponents

Shelley LoberCurrently on CROW CANYON CC 40MX7.0A
3.36
Robin KennyCurrently on WALNUT CREEK RC/Walnut Creek TC CW6.5B
3.01
Combo rating 3.01 → 3.17Doubles result

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

Sep 11, 2026 · Doubles · 3D · Combo

Won 6-4,6-3
+0.03

Yulia’s side

Yulia CostelloCurrently on STONEBRAE CC CW6.5A-DT
3.17
Patti Presto(partner)Currently on WALNUT CREEK RC/Walnut Creek TC CW6.5B
3.23

Opponents

Vengassery VijayakumarCurrently on RUBY HILL GC CW6.5A-DT
2.42
Angelina LiCurrently on RUBY HILL GC CW6.5A-DT
2.70
Combo rating 2.99 → 3.01Doubles result

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

Sep 3, 2026 · Doubles · 2D · Combo

Lost 4-6,2-6
−0.09

Yulia’s side

Yulia CostelloCurrently on STONEBRAE CC CW6.5A-DT
3.17
Minh Cannon(partner)Currently on WASHINGTON PK CW6.5A
3.58

Opponents

Toni LiCurrently on PLEASANTON CW6.5A-DT
3.39
Laura HerbertCurrently on PLEASANTON CW6.5A-DT
3.19
Combo rating 3.08 → 2.99Doubles result

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

Aug 1, 2026 · Doubles · Mixed

Lost 5-7,2-6
−0.04

Yulia’s side

Yulia CostelloCurrently on STONEBRAE CC CW6.5A-DT
3.08
John Vandaveer(partner)Currently on WALNUT CREEK RC/Walnut Creek TC 55MX8.0B
3.56

Opponents

Oliver NonoCurrently on STONEBRAE CC 40MX7.0A
3.34
Danielle DuperlyCurrently on UNION CITY LEISURE S/VETERANS MEM PK 55MX8.0A
3.64
Mixed rating 3.12 → 3.08Doubles result

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

Jul 26, 2026 · Doubles · Mixed

Lost 0-6,4-6
−0.02

Yulia’s side

Yulia CostelloCurrently on STONEBRAE CC CW6.5A-DT
3.08
Rowan Semilla(partner)Currently on WALNUT COUNTRY HOA 40MX7.0A
3.42

Opponents

Eric TayagCurrently on UNION CITY LEISURE S/VETERANS MEM PK CM7.5A
3.54
Aileen SalamidaCurrently on WILLOW PASS PK 40MX8.0B
3.72
Mixed rating 3.14 → 3.12Doubles result

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

May 25, 2026 · Doubles

Lost 3-6,6-2,0-1
−0.09

Yulia’s side

Yulia CostelloCurrently on STONEBRAE CC CW6.5A-DT
2.96
Andrea Szeto(partner)Currently on BERKELEY TC 40MX7.0A
3.29

Opponents

Danielle WillisCurrently on SOLANO TA/CENTENNIAL PRK CW7.5A
3.02
Cindy MarkCurrently on WASHINGTON PK CW6.5A
3.17
Rating 3.07 → 2.98Doubles result

May 21, 2026 · Singles

Lost 2-6,5-7
−0.03

Yulia’s side

Yulia CostelloCurrently on STONEBRAE CC CW6.5A-DT
2.96

Opponents

Aditi SinhaCurrently on FREMONT TC CW6.5A
3.29
Rating 3.10 → 3.07Singles result

May 19, 2026 · Doubles

Lost 6-4,4-6,0-1
−0.03

Yulia’s side

Yulia CostelloCurrently on STONEBRAE CC CW6.5A-DT
2.96
Shannon Smuts(partner)Currently on RICHMOND TA/NICHOLL PK 55MX7.0A
3.28

Opponents

Kay Kolos MccubbinCurrently on WALNUT CREEK RC/Walnut Creek TC CW6.5C
3.34
Rosalyn MoyaCurrently on WASHINGTON PK 40MX8.0A
3.18
Rating 3.17 → 3.14Doubles result

May 18, 2026 · Singles

Won 6-2,7-6
+0.20

Yulia’s side

Yulia CostelloCurrently on STONEBRAE CC CW6.5A-DT
2.96

Opponents

Mary J BedegiCurrently on BAY CLUB PL CW6.5A-DT
3.11
Rating 2.97 → 3.17Singles result

May 17, 2026 · Doubles

Lost 6-7,3-6
−0.04

Yulia’s side

Yulia CostelloCurrently on STONEBRAE CC CW6.5A-DT
2.96
Shannon Smuts(partner)Currently on RICHMOND TA/NICHOLL PK 55MX7.0A
3.28

Opponents

Robyn SchleifmanCurrently on WASHINGTON PK CW6.5A
3.35
Christina KuoCurrently on WASHINGTON PK CW6.5A
3.20
Rating 3.02 → 2.97Doubles result

May 16, 2026 · Doubles · Combo

Lost 1-6,4-6
−0.03

Yulia’s side

Yulia CostelloCurrently on STONEBRAE CC CW6.5A-DT
3.17
Liz Holland(partner)
3.39

Opponents

Sharleen HoustonCurrently on WALNUT CREEK RC/Walnut Creek TC CW8.5A
4.13
Pearl LeungCurrently on OSAGE PK S70W7.0A
3.31
Combo rating 3.11 → 3.08Doubles result

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

May 12, 2026 · Singles

Lost 4-6,4-6
−0.10

Yulia’s side

Yulia CostelloCurrently on STONEBRAE CC CW6.5A-DT
2.96

Opponents

Mary RoachCurrently on WALNUT COUNTRY HOA 55MX7.0A
3.04
Rating 3.11 → 3.02Singles result

May 10, 2026 · Singles

Lost 3-6,2-6
−0.12

Yulia’s side

Yulia CostelloCurrently on STONEBRAE CC CW6.5A-DT
2.96

Opponents

Marian DeukerCurrently on CLAREMONT R and S CW6.5A
3.00
Rating 3.24 → 3.11Singles result

May 9, 2026 · Singles

Lost 7-6,3-6,0-1
−0.01

Yulia’s side

Yulia CostelloCurrently on STONEBRAE CC CW6.5A-DT
2.96

Opponents

Nikki RutherfordCurrently on DAVIE STADIUM CW7.5A
3.55
Rating 3.25 → 3.24Singles result

May 4, 2026 · Singles

Lost 4-6,0-6
−0.04

Yulia’s side

Yulia CostelloCurrently on STONEBRAE CC CW6.5A-DT
2.96

Opponents

Catherine GriffinCurrently on DIABLO CC CW7.5A-DT
3.34
Rating 3.29 → 3.25Singles result

Apr 19, 2026 · Doubles · Combo

Lost 0-6,2-6
−0.03

Yulia’s side

Yulia CostelloCurrently on STONEBRAE CC CW6.5A-DT
3.17
Shannon Smuts(partner)Currently on RICHMOND TA/NICHOLL PK 55MX7.0A
3.11

Opponents

Marla AufmuthCurrently on SAN PABLO PK CW7.5A
3.49
Judith SilverCurrently on RICHMOND TA/NICHOLL PK 55MX7.0A
3.75
Combo rating 3.14 → 3.11Doubles result

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

Apr 18, 2026 · Singles

Lost 2-6,6-1,0-1
−0.14

Yulia’s side

Yulia CostelloCurrently on STONEBRAE CC CW6.5A-DT
2.96

Opponents

Jennifer SoineCurrently on DIABLO CC CW6.5A-DT
2.99
Rating 3.48 → 3.34Singles result

Apr 17, 2026 · Singles

Won 7-5,6-2
+0.11

Yulia’s side

Yulia CostelloCurrently on STONEBRAE CC CW6.5A-DT
2.96

Opponents

Julia GilletteCurrently on BAY CLUB PL CW6.5A-DT
2.98
Rating 3.37 → 3.48Singles result

Mar 13, 2026 · Doubles · Mixed

Lost 1-6,7-5,0-1
−0.10

Yulia’s side

Yulia CostelloCurrently on STONEBRAE CC CW6.5A-DT
3.08
Jon Bendich(partner)Currently on CLAREMONT R and S CM7.5A
3.13

Opponents

Junko GreenCurrently on WALNUT CREEK RC/Walnut Creek TC CW6.5C
3.53
Tom GreenCurrently on DAVIE STADIUM CM6.5A
3.03
Mixed rating 3.24 → 3.14Doubles result

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

Mar 11, 2026 · Singles

Lost 6-0,2-6,0-1
−0.09

Yulia’s side

Yulia CostelloCurrently on STONEBRAE CC CW6.5A-DT
2.96

Opponents

Cindy KimCurrently on CLAREMONT CC CW6.5A
2.94
Rating 3.46 → 3.37Singles result

Mar 8, 2026 · Doubles

Lost 3-6,3-6
−0.06

Yulia’s side

Yulia CostelloCurrently on STONEBRAE CC CW6.5A-DT
2.96
Kendall Riding(partner)
3.22

Opponents

Jenny LimCurrently on PLEASANT HILL/PLEASANT HILL MIDDLE 40MX7.0A
3.17
Margie MoranCurrently on WASHINGTON PK 40MX8.0A
3.72
Rating 3.51 → 3.46Doubles result

Mar 3, 2026 · Doubles

Lost 2-6,2-6
−0.08

Yulia’s side

Yulia CostelloCurrently on STONEBRAE CC CW6.5A-DT
2.96
Traci Rebiejo(partner)Currently on WALNUT CREEK RC/Walnut Creek TC CW6.5B
2.70

Opponents

Lindsay WalkerCurrently on DIABLO CC CW6.5A-DT
3.24
Heidi CorkernCurrently on DIABLO CC CW7.5A-DT
3.33
Rating 3.60 → 3.51Doubles result

Mar 2, 2026 · Doubles

Lost 2-6,0-6
−0.05

Yulia’s side

Yulia CostelloCurrently on STONEBRAE CC CW6.5A-DT
2.96
Maya Morrison(partner)Currently on STONEBRAE CC CW6.5A-DT
2.64

Opponents

Nga GrossCurrently on THE CLUB @LIVERMORE CW7.5A
3.41
Judy TheriaultCurrently on THE CLUB @LIVERMORE CW7.5A
3.45
Rating 3.65 → 3.60Doubles result

Mar 1, 2026 · Doubles

Won 6-2,5-7,1-0
+0.17

Yulia’s side

Yulia CostelloCurrently on STONEBRAE CC CW6.5A-DT
2.96
Marla Aufmuth(partner)Currently on SAN PABLO PK CW7.5A
3.61

Opponents

Vicki WongCurrently on WASHINGTON PK 40MX7.0A
3.32
Jennifer MartinisCurrently on DAVIE STADIUM 55MX7.0A
3.43
Rating 3.48 → 3.65Doubles result

Feb 27, 2026 · Singles

Won 6-5 RE
+0.15

Yulia’s side

Yulia CostelloCurrently on STONEBRAE CC CW6.5A-DT
2.96

Opponents

Christine HaskettCurrently on HARBOR BAY 55MX7.0A
3.10
Rating 3.33 → 3.48Singles result

Feb 14, 2026 · Doubles

Lost 3-6,4-6
−0.08

Yulia’s side

Yulia CostelloCurrently on STONEBRAE CC CW6.5A-DT
2.96
Shannon Smuts(partner)Currently on RICHMOND TA/NICHOLL PK 55MX7.0A
3.28

Opponents

Olga BurkhinaCurrently on OAKLAND HILLS 40MX7.0A
3.26
Cynthia GarciaCurrently on OAKLAND HILLS 40MX7.0A
3.29
Rating 3.40 → 3.33Doubles result

Feb 13, 2026 · Doubles

Lost 4-6,3-6
−0.05

Yulia’s side

Yulia CostelloCurrently on STONEBRAE CC CW6.5A-DT
2.96
Jazelle Nono(partner)Currently on STONEBRAE CC CW6.5A-DT
3.45

Opponents

Holly McmullenCurrently on DIABLO CC CW6.5A-DT
3.56
Rochelle RichCurrently on DIABLO CC CW7.5A-DT
3.30
Rating 3.45 → 3.40Doubles result

Feb 9, 2026 · Doubles · Mixed

Won 6-2,6-4
+0.21

Yulia’s side

Yulia CostelloCurrently on STONEBRAE CC CW6.5A-DT
3.08
John Vandaveer(partner)Currently on WALNUT CREEK RC/Walnut Creek TC 55MX8.0B
3.56

Opponents

Lara FacteauCurrently on WALNUT CREEK RC/Walnut Creek TC CW7.5C
3.48
Saurabh ShrivastavaCurrently on BLACKHAWK CC CM6.5A
3.32
Mixed rating 3.03 → 3.24Doubles result

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

Feb 7, 2026 · Doubles · Mixed

Lost 7-5,2-6,0-1
−0.03

Yulia’s side

Yulia CostelloCurrently on STONEBRAE CC CW6.5A-DT
3.08
Christian Emerson(partner)Currently on BERKELEY TC 40MX7.0A
3.19

Opponents

Nicole FreeseCurrently on LANEY TA/MERVYN MORRIS PK CW7.5A
3.46
Mike MoresiCurrently on WASHINGTON PK CM6.5A
3.37
Mixed rating 3.06 → 3.03Doubles result

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

Jan 31, 2026 · Singles

Won 6-1,6-4
+0.09

Yulia’s side

Yulia CostelloCurrently on STONEBRAE CC CW6.5A-DT
2.96

Opponents

Julia GilletteCurrently on BAY CLUB PL CW6.5A-DT
2.98
Rating 3.36 → 3.45Singles result

Jan 27, 2026 · Singles

Won 6-4,3-6,1-0
+0.17

Yulia’s side

Yulia CostelloCurrently on STONEBRAE CC CW6.5A-DT
2.96

Opponents

Juan WuCurrently on BAY CLUB PL CW6.5B-DT
3.29
Rating 3.19 → 3.36Singles result

Jan 25, 2026 · Doubles · Mixed

Lost 6-7,7-5,0-1
−0.01

Yulia’s side

Yulia CostelloCurrently on STONEBRAE CC CW6.5A-DT
3.08
Ryan Semmelmeyer(partner)Currently on PLEASANTON 40MX7.0B
3.58

Opponents

Bjorn FabianCurrently on UNION CITY LEISURE S/VETERANS MEM PK CM8.5A
3.86
Eppie RayCurrently on MT EDEN T AND S CLUB/VETERANS MEM PK CW6.5A
3.60
Mixed rating 3.08 → 3.06Doubles result

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

Jan 21, 2026 · Doubles

Won 6-0,6-3
+0.10

Yulia’s side

Yulia CostelloCurrently on STONEBRAE CC CW6.5A-DT
2.96
Shannon Smuts(partner)Currently on RICHMOND TA/NICHOLL PK 55MX7.0A
3.28

Opponents

Jean KondoCurrently on WALNUT CREEK RC/Walnut Creek TC CW6.5B
2.93
Maryam AminiCurrently on WASHINGTON PK CW6.5A
2.59
Rating 3.11 → 3.21Doubles result

Jan 15, 2026 · Singles

Lost 3-6,1-6
−0.03

Yulia’s side

Yulia CostelloCurrently on STONEBRAE CC CW6.5A-DT
2.96

Opponents

Fang WongCurrently on SUNNYVALE MTC 40MX8.0A
3.47
Rating 3.14 → 3.11Singles result

Jan 9, 2026 · Doubles

Lost 3-6,2-6
−0.07

Yulia’s side

Yulia CostelloCurrently on STONEBRAE CC CW6.5A-DT
2.96
Joanna Ha(partner)Currently on WALNUT CREEK RC/Walnut Creek TC CW6.5B
2.81

Opponents

Stephanie LawCurrently on WALNUT CREEK RC/Walnut Creek TC CW7.5C
3.17
Cynthia AttiyehCurrently on WALNUT CREEK RC/Walnut Creek TC 55MX7.0B
3.13
Rating 3.21 → 3.14Doubles result
Best match
+0.20
May 18 vs Mary J Bedegi
Worst match
−0.14
Apr 18 vs Jennifer Soine
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 Sep 20

Yulia Costello’s MatchPoint NorCal tennis rating is 2.96, an independent estimate based on published NorCal league results through September 20, 2026. They are currently rostered on 3 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−0.022.77
Pulled toward the 2025 year-end level+0.173.21

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