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

Maria Camila Osorio Serrano

WOMEN

Age24

BirthplaceCucuta, Colombia

Height1.70m

Weight—

Best HandRight

Backhand—

Recent Form

Win Rate:50%

Fatigue:0/100

Inactive:22 Days

Overall

Glicko-21.991

#55RD 68

Elo2.045

#47

Hard

Glicko-21.988

#49

Elo1.914

#35

Clay

Glicko-21.977

#77

Elo1.788

#96

Grass

Glicko-21.447

#2219

Elo1.496

#1741

Surface Record

HardClayGrass

20266-76-41-1

202512-139-40-2

20247-1012-41-3

20239-89-51-2

20229-95-30-4

20215-711-32-2

Recent Matches

Linda NoskovaWimbledon - London2026-07-02Grass6-3 4-6 6-2

Simona WaltertWimbledon - London2026-06-30Grass6-2 6-1

Ajla TomljanovicLexus Eastbourne Open - Eastbourne2026-06-20Grass6-2 6-4

Anna KalinskayaFrench Open - Paris2026-05-30Clay6-3 0-6 6-2

Yulia PutintsevaFrench Open - Paris2026-05-28Clay7-5 6-7(6) 7-5

Ekaterina AlexandrovaFrench Open - Paris2026-05-25Clay6-2 6-4

Panna UdvardyGrand Prix De SAR La Princesse Lalla Meryem - Rabat2026-05-21Clay7-5 6-3

Janice TjenGrand Prix De SAR La Princesse Lalla Meryem - Rabat2026-05-20Clay6-3 3-6 6-0

Tereza MartincovaGrand Prix De SAR La Princesse Lalla Meryem - Rabat2026-05-19Clay6-0 6-4

Barbora KrejcikovaParma Ladies Open - Parma2026-05-15Clay6-2 1-6 7-5

Dominika SalkovaParma Ladies Open - Parma2026-05-14Clay6-1 2-6 6-3

Lucia BronzettiParma Ladies Open - Parma2026-05-13Clay6-1 7-6(2)

Deborah ChiesaParma Ladies Open - Parma2026-05-12Clay6-1 6-3

Anhelina KalininaInternazionali BNL d'Italia - Rome2026-05-04Clay6-3 7-5

Naomi OsakaMutua Madrid Open - Madrid2026-04-23Clay6-2 7-5

Anastasia ZakharovaMutua Madrid Open - Madrid2026-04-21Clay6-0 6-3

Jazmin OrtenziCopa Colsanitas - Bogota2026-04-02Clay7-6(4) 7-6(5)

Caroline DolehideCopa Colsanitas - Bogota2026-03-31Clay6-7(5) 6-2 6-1

Karolina MuchovaMiami Open - Miami2026-03-20Hard4-6 6-2 7-5

Katerina SiniakovaMiami Open - Miami2026-03-17Hard6-1 6-4

Naomi OsakaBNP Paribas Open - Indian Wells2026-03-08Hard6-1 3-6 6-1

Iva JovicBNP Paribas Open - Indian Wells2026-03-06Hard4-6 7-6(4) 6-3

Sloane StephensBNP Paribas Open - Indian Wells2026-03-04Hard6-4 6-1

Katie BoulterMerida Open Akron - Merida2026-02-25Hard6-3 ret.

Janice TjenMerida Open Akron - Merida2026-02-24Hard6-4 6-3

Jelena OstapenkoQatar TotalEnergies Open - Doha2026-02-11Hard6-3 6-1

Katerina SiniakovaQatar TotalEnergies Open - Doha2026-02-10Hard6-2 5-7 6-3

Emma RaducanuQatar TotalEnergies Open - Doha2026-02-09Hard2-6 6-4 2-0 ret.

Storm HunterQatar TotalEnergies Open - Doha2026-02-07Hard6-1 7-5

Priscilla HonQatar TotalEnergies Open - Doha2026-02-06Hard4-6 6-2 6-1

Donna VekicPhilippine Women's Open - Manila2026-01-31Hard2-6 6-3 7-5

Solana SierraPhilippine Women's Open - Manila2026-01-30Hard6-0 6-1

Alexandra EalaPhilippine Women's Open - Manila2026-01-29Hard6-4 6-4

Mai HontamaPhilippine Women's Open - Manila2026-01-28Hard6-4 4-6 6-2

Sakura HosogiPhilippine Women's Open - Manila2026-01-26Hard6-4 6-3

Ann LiAustralian Open - Melbourne2026-01-19Hard6-4 6-7(5) 7-5

Emma RaducanuHobart International - Hobart2026-01-14Hard6-3 7-6(2)

Petra MarcinkoASB Classic - Auckland2026-01-06Hard6-4 0-6 7-6(2)

Antonia RuzicBillie Jean King Cup, PO, Group D2025-11-15I.Hard6-1 6-3

Linda NoskovaBillie Jean King Cup, PO, Group D2025-11-14I.Hard6-2 6-2

Elisabetta CocciarettoJiangxi Open - Jiujiang2025-10-28Hard6-2 3-0 ret.

Ann LiGuangzhou Open - Guangzhou2025-10-23Hard7-5 6-2

Lucia BronzettiGuangzhou Open - Guangzhou2025-10-21Hard6-1 6-2

Aliaksandra SasnovichNingbo Open - Ningbo2025-10-12Hard6-4 6-4

Lilli TaggerNingbo Open - Ningbo2025-10-11Hard6-4 6-2

Marie BouzkovaWuhan Open - Wuhan2025-10-06Hard6-3 6-4

Iga SwiatekChina Open - Beijing2025-09-29Hard6-0 ret.

Anna KalinskayaChina Open - Beijing2025-09-27Hard6-1 4-6 6-4

Ann LiChina Open - Beijing2025-09-25Hard7-5 6-7(5) 7-5

Iva JovicGuadalajara Open Akron - Guadalajara2025-09-11Hard6-4 6-2

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