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Rika Cook

Las Vegas, NV
3.5C year-end 2025
306 matches · 202W–104L · seasons 20192026
Bump probability
3.03.54.0lowhigh

Where this rating stands today. Taller means more likely. The dashed lines are the band edges, and the three shaded areas are the three percentages below.

3.54
estimated dynamic rating
Where the rating sits now, on 31 matches this season · USTA never publishes this number
0%
down to 3.0
32%
stay 3.5
68%
up to 4.0
Projected to December: 0% down · 75% stay · 25% up, from a year-end estimate of 3.45. Lower than today’s 3.54 because form regresses — players this far above their band partway through a season have historically finished nearer the middle of it. Keep playing at this level and the numbers above are the ones that hold.

A 3.5 runs from 3.01 to 3.50. This rating sits in the top of the band, and every match moves it.

Our estimate, not a USTA figure — scale measured at this point of 2023 on 2160 players. Graded publicly in December when USTA publishes year-end ratings. It moves when you play, and occasionally when we improve the model.

Where you rank
Las Vegas · 3.5
12 of 139
NV · 3.5
12 of 228

Rika is ranked among players at the same level in the same place, by our estimated dynamic rating — not the published level, which is the same for everyone in the band. Groups smaller than five are not ranked, because a placing out of two is noise dressed as standing.

Over timerating by season, and how you rank
Rating by season

Rika has been 3.5 for all 8 seasons on record, but moved a long way inside it — from the middle of the band to the top.

3.03.520192020202120222023202420252026

The line is our estimate; the horizontal lines are level boundaries, so crossing one is a bump. Hollow points are years we inferred from the level played the following season, because USTA publishes a current rating but no history.

How you rank at your level
At 3.5, Rika has gone from the 76th to the 90th percentile of players at that level, 2019 to 2026.

Percentile compares the same level in the same season, by share of games won. Mixed is shown for context — USTA rules exclude it from your adult rating unless mixed is all you play.

By level5 levels played
3.5
66.7%
138W–69L · 56.7% of games
4.0
51.6%
16W–15L · 51.2% of games
7.0
75%
45W–15L · 61.9% of games
7.0mixed
1W–1L
not enough matches yet
7.5mixed
0W–1L
not enough matches yet

Games won matters more than matches won — NTRP adjusts on margins.

Match history306 matches
L
2026-07-15 · #1 Doubles · 7.5 · with Kota Cook
+0.000below expectation — took 41% of games against 49% expected
7-6, 6-3
W
Sandie Mainwal-Price / Diane Paullchamps
2026-06-27 · #1 Doubles · with Karen Watts
0.001better than expected — took 71% of games against 65% expected
6-1, 6-4
W
2026-06-18 · #1 Doubles · 7.0 · with Karen Watts
+0.011better than expected — took 71% of games against 61% expected
6-2, 6-3
W
2026-05-28 · #2 Doubles · 7.0 · with Karen Watts
+0.045better than expected — took 86% of games against 59% expected
6-2, 6-0
W
2026-05-14 · #3 Doubles · 7.0 · with Nancy Holland
0.037below expectation — took 71% of games against 77% expected
6-2, 6-3
W
Holly Dexter / Jennifer Petrie
2026-05-09 · #2 Doubles · 3.5 · with Shiangyuh Wu
+0.030better than expected — took 75% of games against 57% expected
6-3, 6-1
W
Rebecca Geinzer / Lisa Winston
2026-05-07 · #2 Doubles · 7.0 · with Donna Lefever
0.007better than expected — took 75% of games against 69% expected
6-3, 6-1
W
Rebecca Geinzer / Lisa Winston
2026-05-06 · #3 Doubles · 3.5 · with Nancy Holland
+0.022better than expected — took 92% of games against 70% expected
6-0, 6-1
L
Joan Perricone / Jan Willis
2026-04-29 · #1 Doubles · 3.5 · with Kelly Kedge
0.005about as expected — took 48% of games against 50% expected
6-7, 7-6, 1-0
W
Hong Lee / Michelle Brinlee
2026-04-25 · #3 Doubles · 3.5 · with Ramona Acosta
+0.001better than expected — took 71% of games against 64% expected
6-3, 6-2
L
Joann Komanowski / Denise Mandelbaum
2026-04-23 · #2 Doubles · 7.0 · with Karen Watts
0.066below expectation — took 20% of games against 54% expected
6-1, 6-2
W
N/Amixed
2026-04-20 · #3 Doubles · 7.0 · with Charles Jones
+0.000about as expected — took 100% of games against 96% expected
6-0, 6-0
What an account addsprivate to you

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Not affiliated with or endorsed by the USTA. Rating shown is the published USTA year-end figure; match data is from USTA TennisLink.