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

Felix Auger Aliassime

ATP2d inactive74 Moderate Fatigue

Glicko-22.142

#9 overall·RD 69

Elo2.203#8 overall

Recent Form

80% Win Rate

Hard

Glicko-22.189#6

Elo2.031#10

Clay

Glicko-22.120#25

Elo1.918#22

Grass

Glicko-21.624#89

Elo1.553#93

Recent Matches

Alejandro Tabilo

French Open - Paris

2026-06-01Clay6-3 7-5 6-1

Brandon Nakashima

French Open - Paris

2026-05-30Clay5-7 6-1 7-6(4) 7-6(1)

Roman Andres Burruchaga

French Open - Paris

2026-05-28Clay4-6 6-0 7-5 6-1

Daniel Altmaier

French Open - Paris

2026-05-26Clay4-6 6-4 4-6 6-1 7-6(7)

Aleksandar Kovacevic

Hamburg Open - Hamburg

2026-05-20Clay4-6 7-5 6-4

Vit Kopriva

Hamburg Open - Hamburg

2026-05-19Clay7-5 6-1

Mariano Navone

Internazionali BNL d'Italia - Rome

2026-05-09Clay7-6(4) 7-6(5)

Alexander Blockx

Mutua Madrid Open - Madrid

2026-04-27Clay7-6(3) 6-3

Vilius Gaubas

Mutua Madrid Open - Madrid

2026-04-25Clay6-3 6-4

Jannik Sinner

Monte-Carlo Rolex Masters - Monte-Carlo

2026-04-10Clay6-3 6-4

Casper Ruud

Monte-Carlo Rolex Masters - Monte-Carlo

2026-04-09Clay7-5 2-2 ret.

Marin Cilic

Monte-Carlo Rolex Masters - Monte-Carlo

2026-04-08Clay7-6(4) 6-3

Terence Atmane

Miami Open - Miami

2026-03-23Hard6-3 1-6 6-3

Marton Fucsovics

Miami Open - Miami

2026-03-21Hard7-6(3) 7-5

Arthur Fils

BNP Paribas Open - Indian Wells

2026-03-10Hard6-3 7-6(9)

Gabriel Diallo

BNP Paribas Open - Indian Wells

2026-03-08Hard6-7(5) 6-3 6-3

Gael Monfils

BNP Paribas Open - Indian Wells

2026-03-06Hard6-7(5) 6-3 6-4

Daniil Medvedev

Dubai Duty Free Tennis Championships - Dubai

2026-02-27Hard6-4 6-2

Jiri Lehecka

Dubai Duty Free Tennis Championships - Dubai

2026-02-26Hard6-3 7-6(2)

Giovanni Mpetshi Perricard

Dubai Duty Free Tennis Championships - Dubai

2026-02-25Hard6-4 6-4

Zhizhen Zhang

Dubai Duty Free Tennis Championships - Dubai

2026-02-23Hard6-3 7-6(4)

Alex De Minaur

ABN AMRO Open - Rotterdam

2026-02-15I.Hard6-3 6-2

Alexander Bublik

ABN AMRO Open - Rotterdam

2026-02-14I.Hard6-1 6-2

Tallon Griekspoor

ABN AMRO Open - Rotterdam

2026-02-13I.Hard7-6(2) 6-2

Hamad Medjedovic

ABN AMRO Open - Rotterdam

2026-02-12I.Hard6-4 6-4

Alexei Popyrin

ABN AMRO Open - Rotterdam

2026-02-11I.Hard7-5 6-3

Adrian Mannarino

Open Occitanie - Montpellier

2026-02-08I.Hard6-3 7-6(4)

Titouan Droguet

Open Occitanie - Montpellier

2026-02-07I.Hard6-4 6-7(5) 6-1

Arthur Fils

Open Occitanie - Montpellier

2026-02-06I.Hard6-4 6-2

Stan Wawrinka

Open Occitanie - Montpellier

2026-02-05I.Hard6-4 7-6(3)

Nuno Borges

Australian Open - Melbourne

2026-01-19Hard3-6 6-4 6-4 ret.

Zizou Bergs

United Cup - Australia

2026-01-06Hard6-4 6-2

Zhizhen Zhang

United Cup - Australia

2026-01-04Hard6-4 6-4

Carlos Alcaraz

Nitto ATP Finals - Turin

2025-11-15I.Hard6-2 6-4

Alexander Zverev

Nitto ATP Finals - Turin

2025-11-14I.Hard6-4 7-6(4)

Ben Shelton

Nitto ATP Finals - Turin

2025-11-12I.Hard4-6 7-6(7) 7-5

Jannik Sinner

Nitto ATP Finals - Turin

2025-11-10I.Hard7-5 6-1

Jannik Sinner

Rolex Paris Masters - Paris

2025-11-02I.Hard6-4 7-6(4)

Alexander Bublik

Rolex Paris Masters - Paris

2025-11-01I.Hard7-6(3) 6-4

Valentin Vacherot

Rolex Paris Masters - Paris

2025-10-31I.Hard6-2 6-2

Daniel Altmaier

Rolex Paris Masters - Paris

2025-10-30I.Hard3-6 6-3 6-2

Alexandre Muller

Rolex Paris Masters - Paris

2025-10-29I.Hard5-7 7-6(5) 7-6(4)

Francisco Comesana

Rolex Paris Masters - Paris

2025-10-28I.Hard6-7(2) 6-3 6-3

Jaume Antoni Munar Clar

Swiss Indoors Basel - Basel

2025-10-24I.Hard6-3 ret.

Marin Cilic

Swiss Indoors Basel - Basel

2025-10-23I.Hard7-6(2) 7-6(2)

Gabriel Diallo

Swiss Indoors Basel - Basel

2025-10-22I.Hard6-2 7-5

Jiri Lehecka

European Open - Brussels

2025-10-19I.Hard7-6(2) 6-7(6) 6-2

Raphael Collignon

European Open - Brussels

2025-10-18I.Hard7-6(2) 6-4

Eliot Spizzirri

European Open - Brussels

2025-10-17I.Hard6-2 7-6(6)

Damir Dzumhur

European Open - Brussels

2025-10-16I.Hard7-6(3) 4-6 7-6(5)

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