Alexander Blockx vs Francisco Cerundolo

The market read: Alexander Blockx is the favorite at -156 (implied 61% to win), with Francisco Cerundolo at +140 (42%) at the US Open. Best US price at publish; the full pick and reasoning are below.

A Favorite Priced Tighter Than Most

Alexander Blockx is -156 to beat Francisco Cerundolo. Cerundolo is +140 back. Add those two implied chances together and you get about 102.6 percent, which means the sportsbooks are only holding roughly two and a half percent on this match. That is a skinny toll for a US Open main-draw match, and skinny tolls usually mean the books are confident in where they have set the line. Our job is to decide whether the favorite is priced correctly, or whether the plus-money side is being handed to us too cheaply.

The Matchup

Start with what the number is actually telling us. A -156 price is the market saying Blockx wins this match roughly six times out of ten. Not eight times out of ten. Six. That is the language of a clear but beatable favorite, the kind of match where the underdog winning would surprise nobody. We have no head-to-head history or form guide in front of us here, only the price, and the price is the most honest summary of everything the market knows. It says Blockx is the more likely winner and Cerundolo is very much live. Beyond the match winner, tennis offers a set handicap (a head start or deficit measured in sets, for example minus 1.5 sets meaning your player must win in straight sets) and a total games market (betting over or under the combined number of games played). Both are downstream of the same read.

How They Are Priced

Quick translation for anyone new. A minus number is the favorite and tells you what you must risk to win 100 dollars. Blockx at -156 means risking 156 to win 100, an implied win chance of about 61 percent. A plus number is the underdog and tells you what 100 dollars returns. Cerundolo at +140 means risking 100 to win 140, an implied chance of about 42 percent. The best available Blockx price is -156 at BetOnline.ag. If another book has him at -150, take that instead. Same bet, cheaper. Shopping for the best number is the single least glamorous and most profitable habit in betting.

The Surface and Conditions

Hard court is the neutral ground of tennis. The bounce is true, the ball comes through at a predictable height, and the surface neither slows a heavy ball down like clay nor skids it low like grass. In general terms that rewards first-strike tennis, a reliable serve, and a player who can end points from inside the baseline. It also punishes anyone who needs long rallies to build an advantage, because on hard court the aggressor usually gets to pull the trigger first. Best-of-five at a major adds a durability tax on top.

Where the Value Is

Strip the house margin out and the fair line lands near 59 percent Blockx, 41 percent Cerundolo. That is what no-vig means, the market-implied probability once the built-in commission is removed. Expected value is simply what a bet is worth on average if you could play it a thousand times. At -156 we are paying about a point above fair, which is close to as clean as a tennis moneyline gets. Cerundolo at +140 needs about 42 percent to break even and the fair math gives him under 41. The favorite is the better price of the two.

The Pick

Blockx moneyline, -156 at BetOnline.ag. Do not chase it past -160.

The Prediction

We expect a competitive match that Blockx controls in the moments that matter, with one set slipping away along the way. Blockx in three, 6-4, 4-6, 6-3. That is the read on this number, and the Desk posts a documented free play on days like this one just below.

FAQ