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

Tereza Valentova

WOMEN43

Age19

BirthplacePrague, Czech Republic

Height—

Weight—

Best HandRight

Backhand—

Recent Form

Win Rate:63%

Fatigue:43/100

Inactive:2 Days

Overall

Glicko-22.014

#40RD 70

Elo2.009

#65

Hard

Glicko-22.095

#16

Elo1.941

#30

Clay

Glicko-22.029

#47

Elo1.812

#76

Grass

Glicko-21.572

#114

Elo1.516

#164

Surface Record

HardClayGrass

20267-71-32-3

20258-31-1—

Recent Matches

Maya JointLivesport Prague Open - Prague2026-07-22Hard1-6 6-0 6-3

Priscilla HonLivesport Prague Open - Prague2026-07-21Hard6-3 6-1

Alina KorneevaAthens Open - Athens2026-07-17Hard7-5 6-3

Aliaksandra SasnovichAthens Open - Athens2026-07-16Hard6-3 6-2

Sofia CostoulasAthens Open - Athens2026-07-14Hard6-1 6-2

Karolina PliskovaWimbledon - London2026-06-30Grass6-3 6-4

Tatjana MariaLexus Eastbourne Open - Eastbourne2026-06-25Grass6-3 7-5

Ajla TomljanovicLexus Eastbourne Open - Eastbourne2026-06-24Grass6-2 5-7 6-4

Hannah KlugmanLexus Eastbourne Open - Eastbourne2026-06-22Grass7-5 5-7 7-5

Marie BouzkovaLexus Nottingham Open - Nottingham2026-06-15Grass6-3 6-3

Magda LinetteFrench Open - Paris2026-05-24Clay5-7 6-4 7-6(9)

Cori GauffInternazionali BNL d'Italia - Rome2026-05-07Clay6-3 6-4

Yulia PutintsevaInternazionali BNL d'Italia - Rome2026-05-06Clay6-3 6-2

Moyuka UchijimaOpen 35 de Saint-Malo - Saint-Malo2026-05-03Clay6-7(2) 6-3 6-1

Anna BlinkovaOpen 35 de Saint-Malo - Saint-Malo2026-05-02Clay6-3 6-2

Lilli TaggerOpen 35 de Saint-Malo - Saint-Malo2026-05-01Clay7-5 7-5

Claire LiuOpen 35 de Saint-Malo - Saint-Malo2026-04-29Clay6-4 2-6 6-2

Sloane StephensOpen 35 de Saint-Malo - Saint-Malo2026-04-27Clay6-4 6-1

Yulia PutintsevaMutua Madrid Open - Madrid2026-04-22Clay6-4 4-6 6-3

Diana ShnaiderMiami Open - Miami2026-03-20Hard7-6(7) 7-6(3)

Katie VolynetsMiami Open - Miami2026-03-19Hard6-2 6-4

Donna VekicBNP Paribas Open - Indian Wells2026-03-05Hard7-6(4) 7-6(4)

Kimberly BirrellDubai Duty Free Championships - Dubai2026-02-13Hard0-6 6-3 5-0 ret.

Karolina MuchovaQatar TotalEnergies Open - Doha2026-02-10Hard6-1 6-4

Alexandra EalaQatar TotalEnergies Open - Doha2026-02-09Hard7-6(6) 6-1

Ella SeidelQatar TotalEnergies Open - Doha2026-02-07Hard3-6 6-2 6-4

Arina RodionovaQatar TotalEnergies Open - Doha2026-02-06Hard6-2 2-6 7-6(3)

Elena RybakinaAustralian Open - Melbourne2026-01-24Hard6-2 6-3

Linda FruhvirtovaAustralian Open - Melbourne2026-01-22Hard7-5 2-6 6-3

Maya JointAustralian Open - Melbourne2026-01-20Hard6-4 6-4

Madison KeysAdelaide International - Adelaide2026-01-14Hard6-4 6-1

Jelena OstapenkoAdelaide International - Adelaide2026-01-13Hard7-5 3-2 ret.

Vera ZvonarevaAdelaide International - Adelaide2026-01-11Hard7-6(2) 6-0

Laquisa KhanAdelaide International - Adelaide2026-01-10Hard6-2 6-3

Anna KalinskayaBrisbane International - Brisbane2026-01-05Hard6-4 6-4

Leylah Annie FernandezJapan Open - Osaka2025-10-19Hard6-0 5-7 6-3

Jaqueline CristianJapan Open - Osaka2025-10-18Hard6-7(3) 6-4 6-3

Olga DanilovicJapan Open - Osaka2025-10-17Hard4-6 6-2 6-3

Elise MertensJapan Open - Osaka2025-10-16Hard6-4 6-1

Alexandra EalaJapan Open - Osaka2025-10-14Hard6-1 6-2

Greetje MinnenJapan Open - Osaka2025-10-13Hard4-6 6-4 6-2

Alina CharaevaJapan Open - Osaka2025-10-12Hard6-1 6-2

Bianca Vanessa AndreescuWuhan Open - Wuhan2025-10-04Hard6-4 6-2

Elena RybakinaU.S. Open - New York2025-08-27Hard6-3 7-6(7)

Lucia BronzettiU.S. Open - New York2025-08-24Hard6-3 3-6 6-4

Arantxa RusU.S. Open - New York2025-08-22Hard6-2 6-2

Tatiana ProzorovaU.S. Open - New York2025-08-21Hard7-5 6-1

Mona BarthelU.S. Open - New York2025-08-18Hard6-2 6-4

Marie BouzkovaPrague Open - Prague2025-07-25Hard6-4 7-5

Jessika PonchetPrague Open - Prague2025-07-24Hard6-2 6-0

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