Bengaluru 3: Petr Bar Biryukov vs Alastair Gray

Platform comparison

Active sub-markets

Market context

Petr Bar Biryukov and Alastair Gray met in Bengaluru Challenger qualifying, with Gray winning a tight three-setter. On the information available, the crowd-implied 100% YES on Gray points to an extreme favourite read, leaving no meaningful market on the other side unless the result is treated as already settled. The comparable frame here is not a standard two-way match price but a resolution market, so the key question is less who is stronger on hard courts and more whether the event is officially complete, abandoned, or reclassified.

For traders, the main catalysts are the tournament’s official scoreline and any ATP or organiser update on retirement, suspension, or cancellation. The ATP stats archive records Gray as the winner 6-7(5) 6-4 7-6(3), while Flashscore and other live-score feeds also show Gray advancing, which supports the consensus view. The contrarian angle is procedural rather than tennis-based: if there were any discrepancy in completion status, a default, or a replay/voiding decision within the settlement window, that would matter more than pre-match form. With the window open until 29 May, the only real value spot is in verifying whether the match is fully and officially resolved.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

We track Bengaluru 3: Petr Bar Biryukov vs Alastair Gray 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

Where can I trade this market with the lowest fees?

On PolyGram, which mirrors the Polymarket order book at 0% fees. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.

Is this market available outside the US?

PolyGram is available in most jurisdictions where Polymarket isn't directly accessible. Polymarket itself is geo-blocked in the US/UK/EU. Always check local regulations.

How does resolution work?

Through the UMA Optimistic Oracle on Polygon: a proposer submits the outcome, a two-hour challenge window opens, and USDC payouts settle automatically once the result is final.

What does it cost to trade on PolyGram?

Zero. PolyGram routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.

Do I need to KYC for this market?

Not under $1,500 of lifetime trading volume. Above that threshold, PolyGram triggers a quick verification flow that finishes in minutes.