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

Alexandre Muller

ATP8d inactive

Glicko-21.860

#197 overall·RD 69

Elo1.856#169 overall

Recent Form

20% Win Rate

Hard

Glicko-21.823#331

Elo1.711#245

Clay

Glicko-21.885#172

Elo1.746#150

Grass

Glicko-21.380#3286

Elo1.479#2815

Recent Matches

Stefanos Tsitsipas

French Open - Paris

2026-05-26Clay6-2 3-0 ret.

Edas Butvilas

Gonet Geneva Open - Geneva

2026-05-16Clay6-4 6-1

Rei Sakamoto

Bordeaux Challenger

2026-05-13Clay6-4 3-6 6-3

Botic Van De Zandschulp

Internazionali BNL d'Italia - Rome

2026-05-06Clay7-5 6-3

Yibing Wu

Aix En Provence Challenger

2026-04-28Clay6-3 6-4

Jan-Lennard Struff

Mutua Madrid Open - Madrid

2026-04-22Clay7-6(3) 6-0

Otto Virtanen

Barcelona Open Banc Sabadell - Barcelona

2026-04-12Clay6-4 6-4

Max Alcala Gurri

Barcelona Open Banc Sabadell - Barcelona

2026-04-11Clay6-2 6-2

Corentin Moutet

Monte-Carlo Rolex Masters - Monte-Carlo

2026-04-07Clay6-4 6-1

Matteo Arnaldi

Monte-Carlo Rolex Masters - Monte-Carlo

2026-04-05Clay6-1 6-7(4) 6-4

Jan Choinski

Monte-Carlo Rolex Masters - Monte-Carlo

2026-04-04Clay7-6(1) 6-3

Rafael Jodar

Grand Prix Hassan II - Marrakech

2026-04-03Clay6-2 2-0 ret.

Vit Kopriva

Grand Prix Hassan II - Marrakech

2026-04-02Clay6-3 7-6(3)

Federico Cina

Grand Prix Hassan II - Marrakech

2026-03-31Clay6-2 6-3

Hamad Medjedovic

Naples Challenger

2026-03-27Clay6-2 6-2

Carlo Alberto Caniato

Naples Challenger

2026-03-26Clay4-6 7-6(5) 6-4

Jakub Paul

Naples Challenger

2026-03-24Clay7-5 6-4

Matteo Berrettini

Miami Open - Miami

2026-03-19Hard6-4 6-2

Alex Molcan

Davis Cup, World Group, Q, FRA-SVK 3-1

2026-02-07I.Hard6-4 6-4

Alexander Zverev

Australian Open - Melbourne

2026-01-21Hard6-3 4-6 6-3 6-4

Alexei Popyrin

Australian Open - Melbourne

2026-01-19Hard2-6 6-3 3-6 7-6(5) 7-6(4)

Marcos Giron

ASB Classic - Auckland

2026-01-13Hard6-2 6-2

Marcos Giron

Hong Kong Tennis Open - Hong Kong

2026-01-08Hard6-4 7-6(4)

Miomir Kecmanovic

Hong Kong Tennis Open - Hong Kong

2026-01-06Hard7-5 6-4

Lorenzo Musetti

Hellenic Championship - Athens

2025-11-06I.Hard6-2 6-4

Tomas Martin Etcheverry

Hellenic Championship - Athens

2025-11-05I.Hard6-7(2) 7-6(4) 7-6(3)

Jan-Lennard Struff

Hellenic Championship - Athens

2025-11-03I.Hard6-3 2-6 7-6(6)

Felix Auger Aliassime

Rolex Paris Masters - Paris

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

Brandon Nakashima

Rolex Paris Masters - Paris

2025-10-27I.Hard6-2 7-5

Jenson Brooksby

Swiss Indoors Basel - Basel

2025-10-20I.Hard6-4 6-3

Miomir Kecmanovic

BNP Paribas Nordic Open - Stockholm

2025-10-13I.Hard6-4 6-1

David Goffin

Shanghai Rolex Masters - Shanghai

2025-10-01Hard6-7(6) 6-1 6-1

Fabian Marozsan

China Open - Beijing

2025-09-27Hard6-3 7-6(5)

Karen Khachanov

China Open - Beijing

2025-09-25Hard4-6 7-6(5) 6-4

Stefanos Tsitsipas

U.S. Open - New York

2025-08-26Hard4-6 6-0 6-1 7-6(5)

Giovanni Mpetshi Perricard

Winston-Salem Open - Winston-Salem

2025-08-20Hard6-3 6-2

Darwin Blanch

Winston-Salem Open - Winston-Salem

2025-08-19Hard6-7(3) 6-3 7-5

Jenson Brooksby

Cincinnati Open - Cincinnati

2025-08-08Hard7-6(2) 5-7 6-1

Holger Rune

National Bank Open - Toronto

2025-07-31Hard6-2 6-4

Miomir Kecmanovic

National Bank Open - Toronto

2025-07-29Hard2-6 6-3 7-5

Corentin Moutet

Citi Open - Washington

2025-07-22Hard6-0 6-1

Beibit Zhukayev

Citi Open - Washington

2025-07-21Hard6-4 6-4

Novak Djokovic

Wimbledon - London

2025-07-01Grass6-1 6-7(7) 6-2 6-2

Roman Safiullin

Mallorca Championships - Mallorca

2025-06-23Grass7-6(5) 7-5

Alexander Bublik

Terra Wortmann Open - Halle

2025-06-16Grass6-4 6-4

Jakub Mensik

French Open - Paris

2025-05-27Clay7-5 6-7(5) 7-5 6-3

Felix Auger Aliassime

Hamburg Open - Hamburg

2025-05-22Clay7-6(4) 6-7(6) 6-3

Alexander Zverev

Hamburg Open - Hamburg

2025-05-21Clay6-3 4-6 7-6(5)

Elias Ymer

Hamburg Open - Hamburg

2025-05-19Clay6-3 7-5

Stefanos Tsitsipas

Internazionali BNL d'Italia - Rome

2025-05-09Clay6-2 7-6(3)

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