The shorter the points are, the more it has been favouring Felix Auger-Aliassime.

66 points in the first two sets have lasted four shots or fewer and the Canadian has won 37 of those to Flavio Cobolli's 29.

Anything more than five shots in a rally and it's Cobolli who has the edge (37-30).

A focused face, a stare towards his coaching box and a clench of the fist as Flavio Cobolli wraps up the second set on Court Philippe Chatrier.

It's all square at one set all in this quarter-final.

Felix Auger-Aliassime goes just long with another forehand and it's 40-15.

Felix Auger-Aliassime sends down his third and fourth aces of the match on the way to a love hold.

After the changeover, Flavio Cobolli will serve for the set.

Auger-Aliassime is getting 76% of his first serves in but has been broken three times in the match.

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Four games in a row now for 10th seed Flavio Cobolli, who is one game away from levelling the match.

He's dominating most points at the moment and Felix Auger-Aliassime has to find an answer quickly.

Advantage Flavio Cobolli in the second set as Felix Auger-Aliassime goes long at the end of a lengthy rally, and from being a break down, Cobolli is now a break up.

He's pumped up now - a clenched fist and a roar as the ball was called out.

Flavio Cobolli seems to have found an extra few mph on his groundstrokes in the past couple of games and now he has two more break points.

Flavio Cobolli holds serve and then dives towards his bag for another racquet to prepare for a fresh batch of tennis balls being unloaded from their cans.

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And there's the break back!

An inside out forehand from Felix Auger-Aliassime goes wide.

The serve-and-volley doesn't work for Felix Auger-Aliassime at 30-30.

Break point for Flavio Cobolli to break straight back.

Felix Auger-Aliassime gets the first break of the second set.

Flavio Cobolli goes long at the end of a lengthy rally.

Auger-Aliassime's level has gone up a notch in the past couple of games.

Felix Auger-Aliassime steps up the pace to earn two break points.

Another hold of serve by Felix Auger-Aliassime for a 2-1 lead in the second set.

Auger-Aliassime, seeded fourth, is the highest-ranked player remaining in his half of the men's singles draw.

A swift hold to 15 by Flavio Cobolli, who is one of three Italians in the quarter-finals of the men's singles - it's the first time in Grand Slam history that three men from Italy have got to this stage of a major.

He's never got to a Grand Slam semi-final before.

Felix Auger-Aliassime, after winning the first set, gets on the board first in the second.

A superb forehand winner by Felix Auger-Aliassime takes us back to deuce.

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Felix Auger-Aliassime was broken in the opening game of the first set and a repeat looks unlikely in the second, but then from 40-15 up, he's taken to deuce.

Flavio Cobolli fires a backhand winner down the line to earn a break point.

OK, so the roof is being closed on Court Philippe Chatrier between the first and second sets.

Doesn't look like it's raining now and I'm not sure if it's expected imminently.

Either way, it will make the conditions a lot more predictable. The wind really caused some havoc for both players in the first set.

British duo Alfie Hewett and Gordon Reid are through to the semi-finals of the men's wheelchair doubles - they beat Frederic Cattaneo and Daniel Rodrigues of France and Brazil respectively 6-0 6-2.

Hewett and Reid have won the past six doubles titles at Roland Garros and are the top seeds this time around.

Hewett made it through to the last eight of the singles yesterday but Reid was knocked out by defending champion Tokito Oda.

Felix Auger-Aliassime gets the return in play on break point and Flavio Cobolli goes long.

First set to the Canadian in this quarter-final on a blustery Court Philippe Chatrier.