Event

Grass Court Championships: Katerina Siniakova vs Rebeka Masarova

3 signals across 1 market · $4,290 tracked · resolves Jun 23, 2026

This event tracks the Grass Court Championships match between Katerina Siniakova and Rebeka Masarova, with prediction-market odds on which player will advance. PolySpotter is tracking $1,139 in smart money across the market, including a notable signal that 87% of winner backing is on the underdog.

Markets (1)

  1. Grass Court Championships: Katerina Siniakova vs Rebeka Masarova3 signals · $4,290 tracked

Top trades across all markets

  1. 87% winner backs underdog

    Sharp proven bettor with 87% win rate and +$115k lifetime P&L is buying Rebeka Masarova at 37¢ in a relatively small tennis market.

    $1,139Wallet win rate: 87%Score: 9.5
  2. Volume spike into favorite

    Moderate-interest tennis momentum alert: a huge pre-match volume spike and rapid 15-point move were paired with a profitable high-volume wallet buying Siniakova.

    $1,697Wallet win rate: 54%Score: 5.1
  3. Volume spike into favorite

    Moderate-interest tennis momentum alert: a huge pre-match volume spike and rapid 15-point move were paired with a profitable high-volume wallet buying Siniakova.

    $1,454Wallet win rate: 54%Score: 3.9

Top wallets in this event

  1. 0x204f725e14$3,151 · 1 market · 2 alerts · 54% wins
  2. 0x4064255f1e$1,139 · 1 market · 1 alert · 87% wins

More on this event

FAQs

What are the Siniakova vs Masarova prediction market odds?

The event market prices the chance that either Katerina Siniakova or Rebeka Masarova advances from their Grass Court Championships match. Odds can move as traders react to form, lineup news, match timing, and smart money activity.

What is smart money doing on Siniakova vs Masarova?

PolySpotter has tracked $1,139 in smart money on this event, with a recent alert showing 87% of winner backing on the underdog. That suggests sharp traders are showing meaningful interest away from the favorite.

How does this Polymarket tennis event resolve?

The market resolves to Katerina Siniakova if she advances against Rebeka Masarova, and to Rebeka Masarova if Masarova advances. If the match is canceled, not played, tied, or delayed beyond the stated rules, resolution follows the market’s cancellation and delay terms.

When does Siniakova vs Masarova resolve?

The match was originally scheduled for June 16, 2026 at 8:00 AM ET, and the event is listed to resolve by June 23, 2026 at 12:00 UTC, depending on whether the match is completed within the allowed timeframe.