The French Open’s Day 9 betting board turned on three men’s matches, with Felix Auger-Aliassime against Alejandro Tabilo, Frances Tiafoe against Matteo Arnaldi and Matteo Berrettini against Juan Manuel Cerundolo drawing the sharpest attention as the tournament moved toward completing the quarterfinal lineup on Monday.
That timing mattered because the men’s draw had already been full of upsets, and the market was looking for the safest route into the last eight. Auger-Aliassime, the world No. 6 and one of the most realistic title contenders left, was viewed as a much sterner test for Tabilo, even though the Chilean had reached the fourth round through a friendlier path that included a walkover from injured Valentin Vacherot and wins over world No. 318 Moise Kouame and world No. 78 Kamil Majchrzak. Tabilo still had to face a player who had beaten Daniel Altmaier in a fifth-set tiebreaker, then handled Roman Andres Burruchaga in a routine four-set match and edged Brandon Nakashima in another tight four-setter.
Tiafoe was the other headline name in the day’s previews. He had reached the French Open round of 16 for the second time and had gone to the quarterfinals last year, a run that carried extra weight because the world No. 22 has also been a two-time U.S. Open semifinalist and an Australian Open quarterfinalist. Arnaldi, by contrast, needed a fifth-set tiebreaker to outlast Raphael Collignon on Saturday night, which left him with less margin for error against a player with far more Grand Slam proof.
The same logic applied to Berrettini, whose record at the majors was used to separate him from Cerundolo. Berrettini had reached a Wimbledon final, the semifinals of the U.S. Open and Australian Open and the quarterfinals at Roland Garros, and he had already been through a five-set battle with Francisco Comesana in the third round after routine first two rounds. Cerundolo had his own credentials after stunning world No. 1 Jannik Sinner in five sets and surviving an almost six-hour marathon against Martin Landaluce two days later, but Monday’s read still leaned toward the more established grass-and-clay threat.
For readers following Cobolli-related French Open coverage, the Day 9 frame sat in the same men’s section of a draw that had been opening unexpectedly fast, and that is why the best bets were being sorted around experience as much as momentum. Monday was supposed to finish setting the quarterfinal field, but the cleaner path was never the same thing as the safer one.

