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

Robin Montgomery

WOMEN

Age21

Birthplace—

Height1.78m

Weight—

Best HandLeft

Backhand—

Recent Form

Win Rate:88%

Fatigue:0/100

Inactive:24 Days

Overall

Glicko-21.955

#79RD 72

Elo2.005

#72

Hard

Glicko-21.631

#653

Elo1.646

#404

Clay

Glicko-21.776

#309

Elo1.668

#315

Grass

Glicko-21.887

#10

Elo1.730

#15

Surface Record

HardClayGrass

2026—0-24-1

20253-22-3—

20242-42-23-2

20231-4——

20220-3——

20210-1——

Recent Matches

Jasmine PaoliniWimbledon - London2026-06-30Grass0-6 6-4 7-5

Marina Bassols RiberaWimbledon - London2026-06-25Grass3-6 6-1 6-1

Elvina KalievaWimbledon - London2026-06-24Grass6-2 6-2

Caroline DolehideWimbledon - London2026-06-23Grass6-4 7-6(1)

Ajla TomljanovicLibema Open - 's-Hertogenbosch2026-06-13Grass6-4 6-2

Daria SnigurLibema Open - 's-Hertogenbosch2026-06-12Grass6-4 6-4

Greetje MinnenLibema Open - 's-Hertogenbosch2026-06-11Grass6-4 7-6(4)

Daria KasatkinaLibema Open - 's-Hertogenbosch2026-06-08Grass5-7 6-0 6-4

Joanna GarlandLibema Open - 's-Hertogenbosch2026-06-07Grass7-6(3) 6-3

Yue YuanLibema Open - 's-Hertogenbosch2026-06-06Grass6-7(4) 7-6(1) 6-1

Lea BoskovicMakarska Open - Makarska2026-06-04Clay3-6 7-5 6-1

Julia RieraFrench Open - Paris2026-05-20Clay2-6 6-2 6-1

Maddison InglisFrench Open - Paris2026-05-19Clay6-1 7-5

Ipek OzW35 Platja d'Aro2026-05-07Clay6-2 6-3

Manon LeonardW35 Platja d'Aro2026-05-06Clay4-6 6-3 6-1

Magda LinetteMutua Madrid Open - Madrid2026-04-21Clay6-4 6-3

Maja ChwalinskaOeiras Jamor Ladies Open - Oeiras2026-04-18Clay6-2 6-0

Suzan LamensOeiras Jamor Ladies Open - Oeiras2026-04-17Clay6-4 3-6 6-4

Anouk KoevermansOeiras Jamor Ladies Open - Oeiras2026-04-15Clay6-4 7-6(7)

Mayar SherifOeiras Jamor Ladies Open - Oeiras2026-04-13Clay3-6 7-5 7-6(7)

Elvina KalievaGrand Prix Open Villa de Madrid - Madrid2026-04-07Clay4-6 6-4 6-4

Anna BlinkovaCopa Colsanitas - Bogota2026-03-31Clay6-2 6-3

Kaja JuvanWimbledon - London2025-06-26Grass6-3 7-6(7)

Patricia Maria TigWimbledon - London2025-06-25Grass6-4 6-2

Hanne VandewinkelWimbledon - London2025-06-24Grass7-6(6) 6-7(3) 6-3

Zeynep SonmezLexus Birmingham Open - Birmingham2025-06-06Grass7-6(6) 4-6 6-4

Rebeka MasarovaLexus Birmingham Open - Birmingham2025-06-06Grass6-2 ret.

Talia GibsonLexus Birmingham Open - Birmingham2025-06-03Grass6-4 2-6 7-6(1)

Jessica Bouzas ManeiroFrench Open - Paris2025-05-29Clay6-4 4-6 7-5

Diane ParryFrench Open - Paris2025-05-26Clay6-2 6-1

Moyuka UchijimaMutua Madrid Open - Madrid2025-04-23Clay1-6 6-4 6-3

Danielle Rose CollinsCredit One Charleston Open - Charleston2025-04-01Clay6-3 6-1

Viktoriya TomovaCredit One Charleston Open - Charleston2025-03-31Clay6-1 6-3

Bernarda PeraMiami Open - Miami2025-03-17Hard7-6(2) 6-4

Georgia PedoneMiami Open - Miami2025-03-16Hard6-2 6-0

Marta KostyukBNP Paribas Open - Indian Wells2025-03-07Hard6-1 6-3

Jule NiemeierBNP Paribas Open - Indian Wells2025-03-05Hard3-6 7-5 6-2

Nina StojanovicAustralian Open - Melbourne2025-01-08Hard6-4 6-7(5) 6-3

Polona HercogAustralian Open - Melbourne2025-01-07Hard6-2 6-1

Clara TausonASB Classic - Auckland2025-01-04Hard6-4 6-3

Bernarda PeraASB Classic - Auckland2025-01-03Hard6-4 6-4

Nao HibinoASB Classic - Auckland2025-01-02Hard6-2 6-2

Mai HontamaASB Classic - Auckland2024-12-31Hard6-3 2-6 6-0

Sara BejlekArgentina Open - Buenos Aires2024-11-26Clay5-7 7-6(3) 6-1

Guiomar Zuleta De RealesLP Open by IND - Colina2024-11-20Clay6-0 6-1

Ylena In-AlbonLP Open by IND - Colina2024-11-19Clay6-3 6-4

Tina Nadine SmithCali Open - Cali2024-11-06Clay6-3 6-3

Maria Paulina Perez GarciaCali Open - Cali2024-11-04Clay6-3 6-0

Elsa JacquemotMerida Open Akron - Merida2024-10-28Hard4-6 6-3 7-6(4)

Marina StakusicAbierto Tampico - Tampico2024-10-23Hard6-4 7-6(5)

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