Earlier Athletic Bilbao and Getafe shared another 1-1 draw in the season's opening clash.
The club, in La Liga for only the fourth season in their history, beat Barcelona 4-2 at their tiny Montilivi stadium to secure a top four finish.
Real Madrid, who have lost only once in the league this season, hold a 13-point advantage over second-placed Girona while Barcelona dropped to third
Barcelona will be favourites when they visit Girona on Saturday but the hosts are ready to seize a historic opportunity to beat them in front of their own fans, Girona manager Michel said on Friday.
The Catalan side have 68 points, seven ahead of Atletico Madrid, who visit Alaves on Sunday, and 10 clear of fifth-placed Athletic Bilbao, who drew 1-1 at home to Granada on Friday.
La Liga leaders Real Madrid regained their seven-point cushion at the top on Sunday as they benefited from two own goals in a comfortable 4-0 home win over struggling Celta Vigo.
"Getting the three points at home is the most important thing to be at the top," said defender Yan Couto.
After Real Madrid drew in Valencia the night before, surprising title challengers Girona had a chance to reverse their recent slump and regain some ground.
After leaders Real Madrid were held to a draw by Rayo Vallecano on Sunday, the Catalan minnows, second, hoped to cut the six-point gap but lost in a gripping clash at San Mames.
Regarding his thunderbolt, Vinicius added: “I don't tend to shoot from outside the box but I felt confident and I didn't get to play the last game and it came off. I'm thrilled but now we have to rest up before Tuesday."
League leaders Madrid opened up a five-point gap on shock title challengers Girona, second.
Real Madrid defender Antonio Rudiger is set to miss important upcoming matches against Girona and RB Leipzig as the club confirmed Saturday he has a thigh injury.
Spanish forward Joselu scored twice to give Real Madrid a 2-0 win at local rivals Getafe on Thursday, propelling them back to the LaLiga summit, two points ahead of surprise package Girona.
Atletico Madrid climbed third, above struggling champions Barcelona on goal difference, with a comfortable 2-0 win at home against Valencia.
After Real Madrid scraped a controversial 3-2 win over bottom side Almeria and a treble by Ferran Torres helped Barca win 4-2 at Real Betis, Girona demonstrated their title credentials
Girona coach Michel Sanchez insisted his team cannot keep up with La Liga leaders Real Madrid despite their stunning 4-3 win over Atletico Madrid on Wednesday to pull level in first place.
Shock Spanish title challengers Girona snatched a remarkable 4-3 victory over Atletico Madrid to keep pace with Real Madrid at the top of La Liga on Wednesday.
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Girona have been the surprise package of the season and have stretched their unbeaten streak to 11 league games.