What is VOPO in tennis betting?

VOPO (Value Over Pinnacle Odds) is the difference between Tennis Glicko's internal win probability (average of Glicko-2 and Elo models) and the implied probability from Pinnacle's odds. A positive VOPO means the market is undervaluing a player.

What is Green EV in tennis betting?

Green EV is Tennis Glicko's high-conviction value signal. It triggers when VOPO exceeds 12% AND the internal win probability is above 50% — indicating the market is significantly mispricing a player.

How accurate is Tennis Glicko?

Tennis Glicko has 72.8% predictive accuracy over the last 30 days, with a Brier Score of 0.1775 — a standard probabilistic calibration metric used in forecasting.

Why use Glicko-2 instead of ATP rankings for tennis predictions?

ATP rankings are a lagging indicator — they ignore surface specialization, injury returns, scheduling fatigue, and form swings. Glicko-2 updates after every match, adjusts for opponent quality, and models rating uncertainty, making it significantly more accurate for predicting match outcomes.

Rankings

Yibing Wu

MEN

Age26

BirthplaceHangzhou, China

Height1.83m

Weight80kg

Best HandRight

BackhandTwo-Handed

Recent Form

Win Rate:38%

Fatigue:19/100

Inactive:7 Days

Overall

Glicko-21.940

#100RD 69

Elo1.908

#123

Hard

Glicko-22.010

#48

Elo1.860

#49

Clay

Glicko-21.980

#86

Elo1.681

#324

Grass

Glicko-21.346

#3218

Elo1.422

#2965

Surface Record

HardClayGrass

20265-41-20-2

20255-5——

20242-20-1—

20239-63-51-4

20222-1——

20190-1——

Recent Matches

Bu YunchaoketeLincoln Challenger2026-07-17Hard6-4 6-4

Christian LangmoLincoln Challenger2026-07-15Hard6-1 6-4

Pavle MarinkovLincoln Challenger2026-07-13Hard6-3 7-6(3)

Patrick MaloneyLincoln Challenger2026-07-13Hard7-6(4) 6-3

Stefan KozlovNewport Challenger2026-07-09Grass6-4 2-6 6-4

Novak DjokovicWimbledon - London2026-06-29Grass6-4 5-7 6-4 6-4

Jan ChoinskiLexus Eastbourne Open - Eastbourne2026-06-20Grass7-6(5) 6-4

Remy BertolaNottingham 2 Challenger2026-06-16Grass6-3 6-3

Rei SakamotoNottingham 2 Challenger2026-06-14Grass7-5 6-1

Thijs BoogaardLibema Open - 's-Hertogenbosch2026-06-10Grass6-3 2-6 6-4

Flavio CobolliFrench Open - Paris2026-05-28Clay6-4 6-4 6-4

Marcos GironFrench Open - Paris2026-05-25Clay7-5 6-2 6-4

Ethan QuinnAix En Provence Challenger2026-05-01Clay6-4 5-7 6-4

Alexander ShevchenkoAix En Provence Challenger2026-04-30Clay7-6(8) 7-5

Alexandre MullerAix En Provence Challenger2026-04-28Clay6-3 6-4

Titouan DroguetMutua Madrid Open - Madrid2026-04-21Clay6-0 7-6(5)

Manas Manoj DhamneMutua Madrid Open - Madrid2026-04-20Clay6-1 7-5

Stefan DostanicSarasota Challenger2026-04-12Clay6-1 4-6 6-3

Daniel Dutra Da SilvaSarasota Challenger2026-04-11Clay6-4 7-6(4)

Darwin BlanchSarasota Challenger2026-04-11Clay6-3 7-5

Kei NishikoriSarasota Challenger2026-04-10Clay6-3 3-6 6-1

Reda BennaniSarasota Challenger2026-04-08Clay6-1 6-4

Alex BoltUS Men's Clay Court Championship - Houston2026-03-31Clay7-6(6) 6-2

Gabriel DialloMiami Open - Miami2026-03-20Hard6-2 7-6(3)

Andres AndradeCap Cana Challenger2026-03-10Hard7-6(4) 7-5

Flavio CobolliAbierto Mexicano Telcel - Acapulco2026-02-26Hard7-6(4) 6-1

Sho ShimabukuroAbierto Mexicano Telcel - Acapulco2026-02-25Hard6-3 7-6(4)

Casper RuudAbierto Mexicano Telcel - Acapulco2026-02-24Hard7-6(2) 7-6(1)

Rinky HijikataAbierto Mexicano Telcel - Acapulco2026-02-22Hard6-1 7-6(3)

Juan Pablo FicovichAbierto Mexicano Telcel - Acapulco2026-02-21Hard6-0 6-2

Zachary SvajdaDelray Beach Open - Delray Beach2026-02-15Hard6-3 6-4

Colton SmithDelray Beach Open - Delray Beach2026-02-14Hard7-5 6-1

Nuno BorgesDavis Cup, Group I, PO, CHN-POR 3-12026-02-06I.Hard6-1 7-6(3)

Eliot SpizzirriAustralian Open - Melbourne2026-01-22Hard6-2 6-4 6-7(4) 4-6 6-3

Luca NardiAustralian Open - Melbourne2026-01-20Hard7-5 4-6 6-4 6-2

Tristan BoyerAustralian Open - Melbourne2026-01-15Hard6-3 6-2

Nicolas MejiaAustralian Open - Melbourne2026-01-14Hard6-4 6-4

Mitchell KruegerAustralian Open - Melbourne2026-01-13Hard7-5 6-4

Andrey RublevHong Kong Tennis Open - Hong Kong2026-01-07Hard3-6 6-2 6-1

Fabian MarozsanHong Kong Tennis Open - Hong Kong2026-01-05Hard6-4 6-2

Dalibor SvrcinaShanghai Rolex Masters - Shanghai2025-10-02Hard7-5 ret.

Alexander BublikHangzhou Open - Hangzhou2025-09-22Hard6-3 6-3

Daniil MedvedevHangzhou Open - Hangzhou2025-09-21Hard5-7 7-6(5) 6-4

Sebastian KordaHangzhou Open - Hangzhou2025-09-20Hard4-6 6-1 6-4

Adrian MannarinoHangzhou Open - Hangzhou2025-09-17Hard4-6 7-6(5) 7-5

Jerome KymU.S. Open - New York2025-08-22Hard6-3 6-2

Luca Van AsscheU.S. Open - New York2025-08-21Hard6-3 6-3

Juan Pablo FicovichU.S. Open - New York2025-08-19Hard6-3 6-3

Yu Hsiou HsuChicago Challenger2025-08-08Hard7-6(4) 6-4

Naoki NakagawaChicago Challenger2025-08-06Hard6-3 6-2

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