Serie A Round 4 is upon us, and with it comes some crucial matches that will determine the fate of the teams in the top division. Here's a look at some key matchups to keep track of:

1. Juventus vs. AC Milan - The two Italian giants are set for another intense clash. Both teams have been performing well lately, but it remains to be seen how their performances will translate into victory.

2. Paris Saint-Germain vs. Manchester United - The French giants will be looking to secure their first title since 2015. They face off against a team that has struggled in recent years, so this match could be a turning point in the season.

3. Barcelona vs. Real Madrid - This is a classic showdown between two of Spain's best clubs. With both teams having strong squads, there's no telling who will emerge victorious.

4. Inter vs. Roma - The Serie A leaders will be hoping to continue their impressive form after their win over AC Milan. They'll face off against a team that has struggled recently, so this match could be a test of their resilience.

5. Napoli vs. Atalanta - This is a battle of the elite in Italy's top tier. The league leaders will be looking to secure their second consecutive title, while Atalanta will be trying to regain their form from last year's disappointing campaign.

6. Bayern Munich vs. Eintracht Frankfurt - This match promises to be a classic as both teams have been playing some of the best football of the season. The result will decide which club will go on to claim its first Bundesliga title.

7. Atletico Madrid vs. Valencia - The Spanish giants will be looking to continue their dominance in La Liga, while the Basque outfit will be aiming to take their place among the top four teams in Europe.

8. Real Betis vs. FC Porto - This match promises to be a thrilling encounter as both teams have been performing well lately. The result could decide which side goes on to clinch their spot in the Europa League.

9. Inter Milan vs. Napoli - This match promises to be a high-scoring affair as both teams have been performing well. The result could decide which side goes on to claim their second consecutive Serie A title.

10. Manchester City vs. Chelsea - The English champions will be looking to continue their dominance in the Premier League, while the Blues will be aiming to take their place among the top four teams in Europe.

These are just a few of the key matches that will determine the outcome of Serie A Round 4. Fans can stay updated with live scores and updates on the game by following the relevant sports channels or websites.