Luka Modric's illustrious Real Madrid career ended with a painful 4-0 thrashing by Paris St Germain in the Club World Cup semifinals but the Croatian maestro's legacy stretches far beyond a single game, manager Xabi Alonso said.

Xabi Alonso is looking forward to "starting from scratch" with Real Madrid next season after being thrown in at the deep end as coach of the Spanish giants in the Club World Cup.

Fabian Ruiz scored twice as European champions Paris Saint-Germain turned on the style in their reunion with Kylian Mbappe on Wednesday, thrashing Real Madrid 4-0 in the semi-finals of the Club World Cup to set up a final showdown with Chelsea.

New signing Joao Pedro scored twice on his first start as Chelsea eased to a 2-0 win over Fluminense on Tuesday to seal a spot in the final of the Club World Cup.

Alonso's side find themselves in the semi-finals despite Mbappe still not having started a game at the tournament.

Real Madrid coach Xabi Alonso said superstar striker Kylian Mbappe is "better" ahead of the Club World Cup quarter-final clash against Borussia Dortmund on Saturday, but would not confirm if the Frenchman will start.

It was an impressive display from Xabi Alonso's Madrid side and adding to a positive day, Kylian Mbappe made his return from illness, coming on as a 68th-minute substitute for his first appearance of the tournament.

From Inter Miami's Lionel Messi facing former side Paris Saint-Germain to Real Madrid meeting Juventus and Chelsea taking on Benfica, here is how the last 16 of the Club World Cup have shaped up:

The Brazil star opened the scoring after a superb defence-splitting pass by Jude Bellingham on 40 minutes and then set up Federico Valverde for the all-important second goal in first-half stoppage time.

Kylian Mbappe has accused his former club Paris Saint-Germain of moral harassment in a legal filing, the Paris prosecutor's office told AFP on Thursday as it confirmed an investigation had been opened.

New Real Madrid coach Xabi Alonso warned his team's stars including Vinicius Junior and Kylian Mbappe on Wednesday that they must all pitch in defensively.

Kylian Mbappe returned to training on Wednesday after missing Real Madrid's first two matches at the Club World Cup in the United States due to illness, the Spanish giants confirmed to AFP.

Rudiger was visibly angered after an exchange of words with Pachuca's Gustavo Cabral after the final whistle and spoke to Brazilian referee Ramon Abatti Abel.

The result leaves Madrid, under new head coach Xabi Alonso, on top of Group H with four points while Pachuca are eliminated after two defeats.

The French superstar was taken to hospital on Thursday for tests and treatment after suffering gastroenteritis, before later being released.

Real Madrid superstar Kylian Mbappe is being treated in hospital in the United States after suffering a stomach bug, the Spanish giants said on Thursday.

Federico Valverde missed a stoppage-time penalty, saved by Yassine Bounou, as Real Madrid were held to a 1-1 draw by Saudi Arabia's Al-Hilal in the Club World Cup on Wednesday.

New head coach Xabi Alonso will make his debut on the Real bench for the Group H match at Hard Rock Stadium and could be without several regulars.

Four Atletico Madrid ultras have been handed suspended jail sentences for hanging a dummy of Real Madrid star Vinicius Junior from a bridge in what police deemed a "hate crime", judicial sources said on Monday.

Real Madrid have agreed a deal to sign teenage playmaker Franco Mastantuono from River Plate, the Spanish giants announced on Friday.