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

Leylah Annie Fernandez

WTA9d inactive

Glicko-21.988

#51 overall·RD 68

Elo2.012#61 overall

Recent Form

40% Win Rate

Hard

Glicko-21.990#43

Elo1.864#59

Clay

Glicko-21.969#83

Elo1.715#187

Grass

Glicko-21.653#61

Elo1.560#82

Recent Matches

Alycia Parks

French Open - Paris

2026-05-25Clay6-4 6-4

Victoria Mboko

Internationaux de Strasbourg - Strasbourg

2026-05-21Clay6-4 6-4

Magdalena Frech

Internationaux de Strasbourg - Strasbourg

2026-05-19Clay6-4 3-6 6-4

Leolia Jeanjean

Internationaux de Strasbourg - Strasbourg

2026-05-17Clay6-1 7-5

Anna Blinkova

Trophee Clarins - Paris

2026-05-12Clay7-6(4) 6-4

Rebeka Masarova

Internazionali BNL d'Italia - Rome

2026-05-08Clay4-6 6-4 6-4

Mirra Andreeva

Mutua Madrid Open - Madrid

2026-04-28Clay7-6(1) 6-3

Ann Li

Mutua Madrid Open - Madrid

2026-04-27Clay6-3 6-2

Iva Jovic

Mutua Madrid Open - Madrid

2026-04-25Clay3-6 6-3 6-2

Julia Grabher

Mutua Madrid Open - Madrid

2026-04-23Clay6-2 6-3

Elena Rybakina

Porsche Tennis Grand Prix - Stuttgart

2026-04-17Clay6-7(5) 6-4 7-6(6)

Zeynep Sonmez

Porsche Tennis Grand Prix - Stuttgart

2026-04-16Clay6-7(2) 6-1 7-6(5)

Alexandra Eala

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2026-04-14Clay6-1 6-4

Diana Shnaider

Credit One Charleston Open - Charleston

2026-04-02Clay6-3 6-0

Polina Kudermetova

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2026-04-01Clay6-2 6-1

Jessica Pegula

Miami Open - Miami

2026-03-22Hard6-2 6-2

Oksana Selekhmeteva

Miami Open - Miami

2026-03-21Hard7-6(1) 3-6 6-1

Katerina Siniakova

BNP Paribas Open - Indian Wells

2026-03-07Hard5-7 6-4 7-6(1)

Janice Tjen

Dubai Duty Free Championships - Dubai

2026-02-16Hard7-6(5) 6-4

Liudmila Samsonova

Dubai Duty Free Championships - Dubai

2026-02-15Hard5-7 7-5 6-3

Ann Li

Qatar TotalEnergies Open - Doha

2026-02-08Hard6-4 6-3

Mccartney Kessler

Mubadala Abu Dhabi Open - Abu Dhabi

2026-02-03Hard6-3 6-2

Chloe Paquet

Mubadala Abu Dhabi Open - Abu Dhabi

2026-02-01Hard6-0 6-3

Janice Tjen

Australian Open - Melbourne

2026-01-20Hard6-2 7-6(1)

Diana Shnaider

Adelaide International - Adelaide

2026-01-13Hard7-5 6-3

Dayana Yastremska

Brisbane International - Brisbane

2026-01-07Hard6-1 6-2

Victoria Mboko

Hong Kong Tennis Open - Hong Kong

2025-11-01Hard2-6 6-3 6-2

Sorana Cirstea

Hong Kong Tennis Open - Hong Kong

2025-10-31Hard6-4 6-4

Eva Lys

Hong Kong Tennis Open - Hong Kong

2025-10-29Hard6-4 6-1

Xiyu Wang

Hong Kong Tennis Open - Hong Kong

2025-10-28Hard6-1 6-4

Elena Rybakina

Toray Pan Pacific Open - Tokyo

2025-10-23Hard6-4 6-3

Maria Sakkari

Toray Pan Pacific Open - Tokyo

2025-10-21Hard7-6(5) 6-4

Tereza Valentova

Japan Open - Osaka

2025-10-19Hard6-0 5-7 6-3

Sorana Cirstea

Japan Open - Osaka

2025-10-18Hard6-1 2-6 6-4

Rebecca Sramkova

Japan Open - Osaka

2025-10-17Hard7-6(2) 6-3

Dalma Galfi

Japan Open - Osaka

2025-10-16Hard6-1 6-4

Hailey Baptiste

Japan Open - Osaka

2025-10-14Hard6-2 7-5

Naomi Osaka

Wuhan Open - Wuhan

2025-10-07Hard4-6 7-5 6-3

Cori Gauff

China Open - Beijing

2025-09-28Hard6-4 4-6 7-5

Maria Sakkari

China Open - Beijing

2025-09-26Hard6-2 6-0

Aryna Sabalenka

U.S. Open - New York

2025-08-29Hard6-3 7-6(2)

Elsa Jacquemot

U.S. Open - New York

2025-08-27Hard2-6 6-3 6-2

Rebecca Marino

U.S. Open - New York

2025-08-24Hard6-2 6-1

Rebecca Sramkova

Abierto GNP Seguros - Monterrey

2025-08-20Hard2-6 6-3 6-2

Jaqueline Cristian

Abierto GNP Seguros - Monterrey

2025-08-18Hard6-3 7-5

Jessica Bouzas Maneiro

Cincinnati Open - Cincinnati

2025-08-09Hard6-3 6-3

Maya Joint

Omnium Banque Nationale - Montreal

2025-07-29Hard6-4 6-1

Anna Kalinskaya

Mubadala Citi DC Open - Washington

2025-07-27Hard6-1 6-2

Elena Rybakina

Mubadala Citi DC Open - Washington

2025-07-26Hard6-7(2) 7-6(3) 7-6(3)

Taylor Townsend

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2025-07-25Hard6-4 7-6(4)

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