Four teams are through to the quarter-finals of the Champions League with half of the last-16 ties completed.

Paris St-Germain beat Premier League leaders Liverpool on penalties on Tuesday after a 1-1 aggregate draw, while Barcelona, Bayern Munich and Inter Milan join them in the last eight, with the round’s remaining second legs taking place on Wednesday, 12 March.

Highlights of every Champions League game are available on BBC iPlayer and the BBC Sport website and app.

How are the English teams doing and who could face who in the last eight? BBC Sport takes a look.

Barcelona beat Benfica 4-1 on aggregate

Bayern Munich beat Bayer Leverkusen 5-0 on aggregate

Inter Milan beat Feyenoord 4-1 on aggregate

Paris St-Germain beat Liverpool 4-1 on penalties after 1-1 aggregate draw

Lille v Borussia Dortmund (1-1 on agg) – Second leg: 12 March (17:45)

Aston Villa v Club Brugge (3-1 on agg) – Second leg: 12 March (20:00)

Atletico Madrid v Real Madrid (1-2 on agg) – Second leg: 12 March (20:00)

Arsenal v PSV (7-1 on agg) – Second leg: 12 March (20:00)

Liverpool suffered their first setback under manager Arne Slot after they were beaten 4-1 on penalties by PSG at Anfield.

The French champions had looked to be heading out of the competition in the league phase before a late run of form saw them finish 15th in the standings, and now they are hitting their stride when it matters most.

PSG are likely to face Aston Villa in the quarter-finals in April, with the 1982 European Cup winners in the driving seat against Club Brugge.

Villa host the second-leg tie on Wednesday after winning 3-1 in Belgium, while fellow English Premier League side Arsenal are effectively through after they thrashed PSV 7-1 in the first leg.

The first legs of the quarter-finals take place on 8 and 9 April, with the second legs taking place one week later.

The semi-finals then take take place on 29 and 30 April for the first legs, with the return fixtures on 6 and 7 May.

The final takes place on 31 May at the Allianz Arena in Munich.

Each country’s league earns a coefficient ranking based on how their teams perform in Uefa’s three men’s club competitions: the Champions League, Europa League and Conference League.

Coefficient points are earned through match results – two for a win and one for a draw.

The points earned by clubs from the same domestic league are added up and divided by the number of clubs the league has in Europe.

For example, if the Premier League had 100 points, that would be split by the number of teams playing in Europe (seven), giving England a coefficient of 14.28.

This season, bonus points are available to clubs playing in the Champions League, which is advantageous to leagues with more clubs competing in it, such as Germany and Italy.

Countries that finish in the coefficient table’s top two earn an additional Champions League spot for the following season.

Those spots are awarded to the teams who finish in the first position below the standard Champions League allocation in those leagues.

In the Premier League, the top four clubs automatically qualify for the Champions League via league position, so any additional place would go to the team in fifth.

Additional spots for the 2024-25 Champions League were given to Bologna and Borussia Dortmund, who finished fifth in Serie A and the Bundesliga respectively.

England are top of the coefficient table, despite Liverpool following Manchester City in exiting the Champions League.

Italy are second but endured a dismal time in February with AC Milan, Atalanta and Juventus all losing in the knockout play-off round – limiting Serie A’s opportunity to gather more points.

Spain are third in the rankings, but Germany’s prospects appear difficult with Bayern Munich and Dortmund in the same half of the Champions League draw.

Likewise France. Paris St-Germain and Lille are the representatives remaining in the Champions League, with Monaco and Brest exiting at the play-off stage. Lyon, in the Europa League, are the only other French side left in European competition.

England could end up with seven Champions League teams next season.

The winners of the Europa League, as well as the Champions League, are granted a spot.

Under previous rules, any single league could only have a maximum of five clubs in the Champions League. However, that rule has been scrapped.

This season, any team who win the Europa League or Champions League but do not qualify for the Champions League via their domestic league position will go into the Champions League.

This raises the possibility of Manchester United or Tottenham, both through to the knockout stage of the Europa League but languishing in the bottom half of the Premier League, qualifying for the Champions League alongside the top four or five.

Watch highlights of every Champions League game from 22:00 on Wednesday on BBC iPlayer and the BBC Sport website and app.

There will also be a Champions League Match of the Day on BBC One on Wednesday, from 22:40 to 00:00.

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