Alcaraz is concentrating on his first French Open title, having already received the US Open and Wimbledon.
However his preparations have been hampered by a forearm damage which he carried into the clay-court main.
He arrived in Paris with solely a run to the Madrid Open quarter-finals beneath his belt on clay and he admitted earlier within the match that he was nonetheless feeling ache.
After powering previous Sebastian Korda within the third spherical he stated he felt extra like himself – and he regarded it as he beat 23-year-old Auger-Aliassime on Courtroom Philippe Chatrier.
“I did not come right here with loads of rhythm however I imagine in myself. After each observe and each match I’m getting higher,” Alcaraz, who reached the semi-finals final yr, added.
Auger-Aliassime wanted remedy for what gave the impression to be a muscular situation early within the second set and struggled along with his serve for the rest of the match.
With Auger-Aliassime susceptible, Alcaraz broke twice on his technique to a 5-0 third-set lead and served out victory shortly after Tsitsipas had performed the identical on Courtroom Suzanne Lenglen.
Arnaldi had shocked Russian sixth seed Andrey Rublev within the earlier spherical and led by a set and a break as he regarded to take one other notable scalp.
Tsitsipas, who misplaced to Novak Djokovic within the 2021 ultimate at Roland Garros, was made to pay for not taking any of 5 break factors within the first set and one other three within the second.
Nevertheless, he confirmed braveness to avoid wasting 4 set factors at 5-3 and 5-4 and was rewarded by finally breaking Arnaldi’s serve within the tenth sport.
After profitable the tie-break and breaking within the first sport of the third set, Tsitsipas retained utter management and broke three extra instances to race away with victory.