# PSG Suffer First Ligue 1 Defeat as Monaco Storm Back to Win 2-1 at Parc des Princes

> By  · Published 2026-09-05 · Updated 2026-09-05
> https://lesportifplus.com/en/2026/09/05/psg-suffer-first-ligue-1-defeat-as-monaco-storm-back-to-win-2-1-at-parc-des-princes/

## Summary
AS Monaco beat Paris Saint-Germain 2-1 at the Parc des Princes on September 4, overturning an early Marquinhos goal with two second-half strikes. The result gave Monaco a perfect three wins from three Ligue 1 matches and handed PSG their first league defeat of the season, leaving the champions still without a win.

## Key points
- Final score: PSG 1-2 Monaco at the Parc des Princes, matchday three of Ligue 1
- Marquinhos opened the scoring for PSG before Monaco fought back in the second half
- Monaco recorded their third win in three matches; PSG remain winless in the league

Paris Saint-Germain lost for the first time in Ligue 1 this season on September 4, falling 2-1 to AS Monaco at the Parc des Princes in matchday three. Marquinhos had put PSG ahead, but Monaco fought back in the second half to complete the turnaround and claim their third straight victory of the campaign.

## How did Monaco turn the match around?

PSG made the ideal start at home, with defender Marquinhos opening the scoring to give the hosts an early lead. However, Monaco regrouped after the break and produced a much sharper second-half performance, scoring twice to flip the scoreline and leave with all three points. The result marked a striking response from the visitors, who overturned a deficit against the reigning French champions on their own turf.

> A statement result for Monaco, who showed resilience to overturn the deficit away at the champions, the club’s staff noted.

## What does this defeat mean for PSG?

The loss means Paris Saint-Germain have yet to register a win in Ligue 1 this term, leaving them without a victory after their opening fixtures of the season. Despite the individual contribution from Marquinhos, the team’s inability to hold onto a lead at home raises early questions about their form heading into the coming rounds, even as they remain among the favourites for the title race.

## Monaco’s perfect start continues

For Monaco, the win at the Parc des Princes represents a third victory in as many league matches, giving them a flawless start to the season. The comeback in Paris underlines the team’s growing confidence and adds early momentum to their campaign, while further examinations for PSG’s title defense loom as the season progresses.

## Source

- [RMC FOOTBALL](https://rmcsport.bfmtv.com/football/ligue-1/direct-psg-monaco-suivez-en-live-le-match-de-la-3e-journee-de-ligue-1_LS-202609040621.html) — RMC FOOTBALL

## Sources
- [RMC FOOTBALL](https://rmcsport.bfmtv.com/football/ligue-1/direct-psg-monaco-suivez-en-live-le-match-de-la-3e-journee-de-ligue-1_LS-202609040621.html)