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

Anastasia Potapova

WOMEN

Age25

BirthplaceSaratov, Russia

Height1.75m

Weight—

Best HandRight

Backhand—

Recent Form

Win Rate:50%

Fatigue:0/100

Inactive:27 Days

Overall

Glicko-22.061

#24RD 68

Elo2.129

#27

Hard

Glicko-21.924

#96

Elo1.853

#66

Clay

Glicko-22.307

Elo1.984

Grass

Glicko-21.461

#2206

Elo1.501

#221

Surface Record

HardClayGrass

20266-614-41-3

202516-126-30-1

202418-146-53-3

202316-137-45-2

202213-1411-30-1

202110-131-32-2

Recent Matches

Jessica Bouzas ManeiroWimbledon - London2026-06-29Grass6-2 6-3

Ekaterina AlexandrovaBerlin Tennis Open - Berlin2026-06-15Grass6-1 ret.

Zeynep SonmezLibema Open - 's-Hertogenbosch2026-06-11Grass6-1 2-0 ret.

Suzan LamensLibema Open - 's-Hertogenbosch2026-06-10Grass6-7(5) 6-4 6-4

Anna KalinskayaFrench Open - Paris2026-06-01Clay6-4 2-6 7-6(7)

Cori GauffFrench Open - Paris2026-05-30Clay4-6 7-6(1) 6-4

Katie BoulterFrench Open - Paris2026-05-28Clay5-7 6-4 6-2

Maya JointFrench Open - Paris2026-05-25Clay6-1 6-2

Jessica PegulaInternazionali BNL d'Italia - Rome2026-05-11Clay7-6(6) 6-2

Liudmila SamsonovaInternazionali BNL d'Italia - Rome2026-05-10Clay6-3 6-2

Karolina MuchovaInternazionali BNL d'Italia - Rome2026-05-08Clay6-3 6-2

Dalma GalfiInternazionali BNL d'Italia - Rome2026-05-06Clay5-7 6-2 6-4

Nikola BartunkovaInternazionali BNL d'Italia - Rome2026-05-05Clay4-6 6-4 6-2

Irina-Camelia BeguInternazionali BNL d'Italia - Rome2026-05-04Clay6-1 7-5

Marta KostyukMutua Madrid Open - Madrid2026-04-30Clay6-2 1-6 6-1

Karolina PliskovaMutua Madrid Open - Madrid2026-04-29Clay6-1 6-7(4) 6-3

Elena RybakinaMutua Madrid Open - Madrid2026-04-27Clay7-6(8) 6-4

Jelena OstapenkoMutua Madrid Open - Madrid2026-04-26Clay4-6 6-4 6-4

Shuai ZhangMutua Madrid Open - Madrid2026-04-24Clay6-3 6-1

Sinja KrausMutua Madrid Open - Madrid2026-04-21Clay6-2 6-7(5) 6-3

Teodora KostovicMutua Madrid Open - Madrid2026-04-20Clay6-4 7-5

Mirra AndreevaUpper Austria Ladies Linz - Linz2026-04-12Clay1-6 6-4 6-3

Donna VekicUpper Austria Ladies Linz - Linz2026-04-11Clay6-4 6-2

Lilli TaggerUpper Austria Ladies Linz - Linz2026-04-10Clay7-6(7) 6-0

Tamara KorpatschUpper Austria Ladies Linz - Linz2026-04-09Clay6-2 6-1

Shuai ZhangUpper Austria Ladies Linz - Linz2026-04-08Clay6-4 6-4

Jasmine PaoliniBNP Paribas Open - Indian Wells2026-03-06Hard6-7(5) 6-2 6-3

Marina StakusicBNP Paribas Open - Indian Wells2026-03-04Hard4-6 6-1 7-5

Emiliana ArangoMerida Open Akron - Merida2026-02-23Hard7-6(0) 6-2

Ella SeidelDubai Duty Free Championships - Dubai2026-02-13Hard6-4 6-3

Sorana CirsteaTransylvania Open - Cluj-Napoca2026-02-05I.Hard7-5 6-4

Anastasia ZakharovaTransylvania Open - Cluj-Napoca2026-02-04I.Hard1-6 6-4 6-3

Lucia BronzettiTransylvania Open - Cluj-Napoca2026-02-03I.Hard5-7 6-4 7-5

Aryna SabalenkaAustralian Open - Melbourne2026-01-23Hard7-6(4) 7-6(7)

Emma RaducanuAustralian Open - Melbourne2026-01-21Hard7-6(3) 6-2

Suzan LamensAustralian Open - Melbourne2026-01-18Hard3-6 7-5 6-2

Kimberly BirrellAdelaide International - Adelaide2026-01-13Hard6-4 6-4

Jaqueline CristianAdelaide International - Adelaide2026-01-11Hard6-1 6-3

Xiaodi YouAdelaide International - Adelaide2026-01-10Hard6-2 7-6(1)

Diana ShnaiderBrisbane International - Brisbane2026-01-06Hard6-1 6-3

Daria KasatkinaBrisbane International - Brisbane2026-01-04Hard7-5 4-6 6-4

Linda NoskovaChina Open - Beijing2025-10-01Hard6-2 6-4

Zeynep SonmezChina Open - Beijing2025-09-29Hard6-3 7-5

Victoria MbokoChina Open - Beijing2025-09-27Hard7-6(5) 7-5

Katerina SiniakovaChina Open - Beijing2025-09-25Hard6-3 6-4

Mirra AndreevaU.S. Open - New York2025-08-27Hard6-1 6-3

Lin ZhuU.S. Open - New York2025-08-24Hard6-4 4-6 6-2

Iva JovicTennis in the Land - Cleveland2025-08-17Hard7-5 6-3

Iga SwiatekCincinnati Open - Cincinnati2025-08-09Hard6-1 6-4

Laura SiegemundCincinnati Open - Cincinnati2025-08-07Hard6-4 6-4

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