Wimbledon, Qualification WTA: Bianca Andreescu vs Jil Teichmann

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Market context

Bianca Andreescu faces Jil Teichmann in the semi-final of Wimbledon’s WTA qualifying on Tuesday, 24 June 2026, with the crowd-implied probability currently at 100% YES for Andreescu to advance. On Polymarket, this contract trades at 92¢ for Andreescu and 33¢ for Teichmann, reflecting the USDC-conditional token mechanics on Polygon where payouts hinge strictly on the match outcome. The on-chain price action suggests traders are treating Andreescu’s dominance as near-certain, mirroring how similar high-probability tennis contracts have resolved when one player holds a clear serve advantage.

Historically, qualifying matches where a player wins over 80% of first-serve points and saves all break points—like Andreescu’s 6-4, 6-2 opener against Polona Hercog—have seen opponents struggle to mount a comeback in subsequent rounds[1]. Andreescu and Teichmann have met four times previously, with Andreescu holding the edge in recent encounters, including a 2022 Guadalajara Round 1 victory[3][9]. Such patterns frame the 100% probability as grounded in Andreescu’s serve reliability and Teichmann’s backhand vulnerability on grass, as seen in live scoring where Teichmann lost points via forced errors[7].

Traders should monitor the official WTA match centre for any delay announcements or injury updates before the 10:30 AM ET start, as delays beyond seven days without a winner would reset the market to 50-50[4]. The key catalyst is Andreescu’s first-serve consistency, which accounted for 84% of her points in the opener, and Teichmann’s ability to convert break points, which she failed to do in the first round[1]. Recent entries confirm both players reached the fourth round in Paris, adding weight to their current form, but any shift in Teichmann’s backhand performance on grass could alter the outcome[6].

Sources: 1 · 2 · 3 · 4 · 5

Methodology

We track Wimbledon, Qualification WTA: Bianca Andreescu vs Jil Teichmann on the five venues with material liquidity for prediction markets. Live odds come from the Polymarket Polygon order book — the only source that ships real-time data under an open licence. For Kalshi, Betfair and Manifold we list platform attributes (fee, KYC, settlement, payment) instead of fabricated odds, because their APIs use non-comparable contract definitions.

Resolution & payout

Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.

Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.

FAQ

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How reliable are the quoted odds?

The YES/NO percentages are the live mid-prices of the Polymarket order book. On deep markets they move every few seconds; on thinner ones you'll see short plateaus.