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

Lorenzo Sonego

ATP7d inactive

Glicko-21.874

#177 overall·RD 79

Elo1.900#120 overall

Recent Form

20% Win Rate

Hard

Glicko-21.924#132

Elo1.795#100

Clay

Glicko-21.719#525

Elo1.623#488

Grass

Glicko-21.702#42

Elo1.626#33

Recent Matches

Tommy Paul

French Open - Paris

2026-05-27Clay6-3 6-2 6-4

Pierre-Hugues Herbert

French Open - Paris

2026-05-24Clay7-6(3) 5-7 6-2 1-6 6-4

Edas Butvilas

Gonet Geneva Open - Geneva

2026-05-18Clay6-3 6-1

Ignacio Buse

Internazionali BNL d'Italia - Rome

2026-05-07Clay6-3 6-3

Mattia Bellucci

Cagliari Challenger

2026-04-29Clay6-4 1-6 7-5

Dusan Lajovic

Mutua Madrid Open - Madrid

2026-04-22Clay6-3 7-6(1)

Andrey Rublev

Barcelona Open Banc Sabadell - Barcelona

2026-04-16Clay6-2 6-3

Pedro Martinez Portero

Barcelona Open Banc Sabadell - Barcelona

2026-04-14Clay6-2 2-6 6-4

Lorenzo Musetti

Australian Open - Melbourne

2026-01-22Hard6-3 6-3 6-4

Carlos Taberner

Australian Open - Melbourne

2026-01-20Hard6-4 6-0 6-3

Juncheng Shang

Hong Kong Tennis Open - Hong Kong

2026-01-08Hard6-3 6-4

Rei Sakamoto

Hong Kong Tennis Open - Hong Kong

2026-01-06Hard6-2 7-6(4)

Cameron Norrie

Moselle Open - Metz

2025-11-07I.Hard4-6 6-2 6-4

Daniel Altmaier

Moselle Open - Metz

2025-11-06I.Hard6-4 7-6(6)

Flavio Cobolli

Moselle Open - Metz

2025-11-04I.Hard2-6 6-3 7-5

Jan Choinski

Moselle Open - Metz

2025-11-03I.Hard4-6 6-4 6-4

Daniil Medvedev

Rolex Paris Masters - Paris

2025-10-30I.Hard3-6 7-6(5) 6-4

Lorenzo Musetti

Rolex Paris Masters - Paris

2025-10-29I.Hard3-6 6-3 6-1

Sebastian Korda

Rolex Paris Masters - Paris

2025-10-27I.Hard6-2 6-3

Alejandro Davidovich Fokina

Swiss Indoors Basel - Basel

2025-10-20I.Hard7-6(2) 6-4

Ugo Humbert

BNP Paribas Nordic Open - Stockholm

2025-10-17I.Hard6-7(3) 6-0 6-3

Aleksandar Kovacevic

BNP Paribas Nordic Open - Stockholm

2025-10-16I.Hard7-6(3) 6-1

Arthur Fery

BNP Paribas Nordic Open - Stockholm

2025-10-15I.Hard6-4 6-2

Yannick Hanfmann

Shanghai Rolex Masters - Shanghai

2025-10-01Hard2-6 6-3 6-1

Alexander Zverev

China Open - Beijing

2025-09-26Hard6-4 6-3

Marcos Giron

Chengdu Open - Chengdu

2025-09-19Hard6-4 6-4

Juan Manuel Cerundolo

Chengdu Open - Chengdu

2025-09-18Hard4-6 6-3 6-1

Tristan Schoolkate

U.S. Open - New York

2025-08-26Hard6-3 7-6(8) 1-6 1-6 7-6(6)

Jaume Antoni Munar Clar

Winston-Salem Open - Winston-Salem

2025-08-20Hard4-6 6-4 6-1

Stefan Dostanic

Winston-Salem Open - Winston-Salem

2025-08-19Hard6-3 6-7(2) 7-6(3)

Taylor Fritz

Cincinnati Open - Cincinnati

2025-08-11Hard7-6(4) 7-5

Zizou Bergs

Cincinnati Open - Cincinnati

2025-08-09Hard6-3 7-6(4)

Andrey Rublev

National Bank Open - Toronto

2025-08-01Hard5-7 6-4 6-3

Bu Yunchaokete

National Bank Open - Toronto

2025-07-30Hard6-1 6-4

Matteo Arnaldi

Citi Open - Washington

2025-07-23Hard7-5 7-5

Ben Shelton

Wimbledon - London

2025-07-07Grass3-6 6-1 7-6(1) 7-5

Brandon Nakashima

Wimbledon - London

2025-07-05Grass6-7(5) 7-6(8) 7-6(2) 3-6 7-6(3)

Nikoloz Basilashvili

Wimbledon - London

2025-07-03Grass6-1 6-3 6-7(3) 7-6(4)

Jaime Faria

Wimbledon - London

2025-07-01Grass6-3 6-4 6-2

Ugo Humbert

Rothesay International - Eastbourne

2025-06-25Grass7-5 6-4

Fabian Marozsan

Rothesay International - Eastbourne

2025-06-23Grass6-2 6-4

Alexander Zverev

Terra Wortmann Open - Halle

2025-06-19Grass3-6 6-4 7-6(2)

Jan-Lennard Struff

Terra Wortmann Open - Halle

2025-06-17Grass6-3 6-2

Quentin Halys

Boss Open - Stuttgart

2025-06-10Grass6-7(6) 7-5 6-4

Ben Shelton

French Open - Paris

2025-05-25Clay6-4 4-6 3-6 6-2 6-3

Roman Andres Burruchaga

Internazionali BNL d'Italia - Rome

2025-05-07Clay6-2 6-3

Alex De Minaur

Mutua Madrid Open - Madrid

2025-04-26Clay6-2 6-3

Miomir Kecmanovic

Mutua Madrid Open - Madrid

2025-04-24Clay6-4 7-6(5)

Pedro Martinez Portero

Monte-Carlo Rolex Masters - Monte-Carlo

2025-04-08Clay6-4 1-6 6-2

Vit Kopriva

Grand Prix Hassan II - Marrakech

2025-04-03Clay6-2 5-7 6-4

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