"This chapter is over," Ronaldo cryptically said on social media with a photo of him in an Al-Nassr shirt.
Ronaldo, the top scorer in this season's Saudi Pro League, has eight in seven appearances in this campaign's Champions League Elite, one short of joint-top scorers Riyad Mahrez, Salem Al-Dawsari, Anderson and Jasir Asani.
The 19-year-old forward, who trains daily alongside one of football’s all-time greats, is part of a promising Saudi Arabian generation aiming to make a statement on the global stage.
Al-Nassr remain in the third place with 54 points but they are now three points behind second-placed Al-Hilal and seven off leaders Al-Ittihad, who visit Al-Ahli on Saturday.
Cristiano Ronaldo's Saudi side Al Nassr were on Monday drawn against last season's runners-up Yokohama F-Marinos of Japan in the quarter-finals of the Asian Champions League.
Ronaldo, the Al Nassr captain, was reportedly rested for last week's goalless draw in the first leg in Iran, however returned to lead the side at Al Awwal Park.
Ronaldo turned 40 last week with his current contract due to end in June 2025.
Al Nassr captain Ronaldo had looked destined to endure a hugely frustrating game following a series of missed opportunities in the first half at Al Bayt Stadium.
The Portuguese star, without a goal in his past three appearances for the Saudi Arabian side, netted the second of the hosts' goals at Al Awwal Park in Riyadh.
Cristiano Ronaldo’s Saudi club Al-Nassr fired coach Rudi Garcia on Thursday after less than a year in charge following media reports of dressing room tensions and just days before a crucial game against champions Al-Hilal.
The image captioned "checkmate", drew more than 1.9 million views, compared to fewer than 100,000 views for other page posts.
It was a frustrating night for Portuguese superstar as his team Al-Nassr was held to a goalless. After the final whistle, Ronaldo was involved in an on-field spat with Al-Feiha winger Ali Al-Zaqaan and accused him of time-wasting before storming off the pitch
The two goals added to Ronaldo’s previous tally of 9, bringing him to 11 goals for the season
Cristiano Ronaldo's Al-Nassr beat Abha 3-1 in the King's Cup on Tuesday but it was a disappointing night for the Portuguese forward, who failed to score, received a yellow card and was substituted for the first time since his move to Saudi Arabia.
A boy from Syria who told rescue workers after a devastating earthquake in February that he wanted to meet Cristiano Ronaldo came face to face with his idol on Friday after being invited to watch his club Al Nassr play in Saudi Arabia.
The kit is from Demiral's personal collection and he assured that all proceedings for the item will be sent for relief to fund Turkey's earthquake victims.
In the video, which has been uploaded from a Facebook page titled Amitabh Debnath, Ronaldo is seeing standing alongside a man and greeting Bangladeshis. The 38-year-old footballer shakes his hand and says, “Salam Alaikum Bangladesh. Bye bye.”
Paris Saint-Germain (PSG) star Lionel Messi has broken rival Cristiano Ronaldo's record of scoring the most goals in Europe's top-five leagues.
Cristiano Ronaldo's Al Nassr were knocked of the Saudi Super Cup on Thursday after a 3-1 semi-final loss to Al Ittihad in Riyadh.
