Canadian Open: Kamil Majchrzak vs Gael Monfils

Platform comparison

Market context

Kamil Majchrzak is the **market favourite** against Gaël Monfils, and the current crowd price of 79% is above most public model estimates, which cluster closer to the high-60s or mid-70s for Majchrzak. Recent pricing snapshots across betting and prediction sites have repeatedly leaned towards Majchrzak, with several previews putting him in the 68-76% range, so the market is not pricing a major upset but is still giving Monfils a meaningful chance.[9][12][13][16][17]

For traders, the key issue is less the tennis narrative than the **payment on-ramp** into the book. Depth tends to widen when deposits are easy and cheap, so rails such as Klarna, SEPA and USDC matter because they reduce friction and let smaller traders recycle balances quickly; that usually supports tighter spreads and thicker liquidity around a one-sided favourite. Monfils-related momentum would more likely come from any late schedule change, retirement or walkover risk rather than from broad sentiment shifts, since the market rules settle 50-50 if the match is not completed in time or is not played at all.[1][2][4][6]

The immediate catalysts are confirmation that the match starts as scheduled, court order changes, and any pre-match fitness or withdrawal news. Live-score and sportsbook listings show the fixture as an active Canadian Open match, while market pages and odds screens have updated across the day, which suggests traders are still reacting to timing and participation rather than to a new performance signal.[2][4][5][7][8]

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page compares Canadian Open: Kamil Majchrzak vs Gael Monfils with a focus on payment rails and deposit friction. Polymarket accepts USDC on Polygon only; Kalshi only ACH/Plaid (US only); Betfair card/SEPA in EU/UK; Manifold no deposit. Polymarket Klarna UK additionally offers Klarna and SOFORT as fiat on-ramps to USDC. Live odds reflect the Polymarket order book.

Resolution & payout

Settlement path determines payout latency. Polymarket settles on-chain (USDC, minutes). Broker frontends like Polymarket Klarna UK add Klarna/SOFORT as fiat withdrawal options with T+1 processing. Kalshi: USD via ACH (T+1 to T+3). Betfair: local currency via card/SEPA (T+1 to T+5).

FAQ

What does SOFORT cost as a deposit method?

Polymarket Klarna UK charges no fees for SOFORT. The only cost is the internal FX spread (typically <1%) on EUR→USDC conversion. SOFORT itself has no end-user fees — the platform absorbs acquirer costs.

Which payment methods are supported?

Klarna (Pay Now / Pay Later), SOFORT, SEPA bank transfer, credit card (Visa/Mastercard), Apple Pay, Google Pay, and direct USDC deposit on Polygon. Availability depends on your jurisdiction.

Can I deposit with a credit card?

Yes, Visa and Mastercard. Credit card deposits carry a ~2.5% acquirer surcharge (standard for card payments). Apple Pay and Google Pay run on the same card rails — same surcharge.

What's the minimum deposit?

10 EUR / 10 USD equivalent. No upper limit, but deposits over $1,500 lifetime volume trigger a quick KYC flow (typically 5-10 minutes).

How do withdrawals work?

Identical methods in reverse. SEPA withdrawal: T+1 (standard) or under 10 seconds (SEPA Instant). Klarna withdrawals process via bank-account refund. USDC withdrawal to external wallet: Polygon gas cost (typically $0.01).