Doha: Fernando Santos, the Portugal manager, has reprimanded Cristiano Ronaldo over his angry reaction after being substituted against South Korea and there is now a major doubt over whether he will start against Switzerland on Tuesday (Wednesday AEDT).

Ronaldo was seen talking and gesturing when he came off the pitch in Portugal’s final group game and, although both player and manager said immediately after the match that it was being directed at a South Korean opponent, Santos confirmed yesterday that he had since reviewed the footage.

“I saw the images — I didn’t like it,” said Santos. “Not at all. I really didn’t like it.”

It is highly unusual for Santos, who has been Portugal manager since 2014, to speak critically of Ronaldo and he also refused to confirm whether his captain would start in the last-16 tie against Switzerland at the Lusail Stadium.

Ronaldo has started all three of Portugal’s matches so far, scoring once with a controversial penalty, but has been brought off earlier in each game, culminating with his 65th-minute substitution following a flat performance against South Korea.

Santos repeated that he had heard Ronaldo speaking to a South Korean player when he came off but stressed that he could not hear everything that had been said. Ronaldo himself had denied aiming his anger at Santos, saying that “the Korean player was telling me to leave quickly and I told him to shut up because he has no authority... there was no disagreement [with Santos]” . Reports in the Portuguese media, however, have suggested that frustration was being vented at the manager.

“When the game was over, I went to the flash and then went to the conference. I repeat: on the field, I didn’t hear anything, he was very far away and I only heard him arguing with the Korean player,” said Santos.

“These matters are resolved at home and, from there, it’s thinking about tomorrow’s game [against Switzerland], for which everyone is focused.”