She has been struggling with a bad back since the eve of the tournament and served 16 double faults, but the rest of her game made up for it. "I love you, too", she told the chanting crowd after the win on a sunbathed Court Suzanne Lenglen.
With Bacsinszky serving at 3-5 Ostapenko brought up two match points. Several times Ostapenko seemed on the verge of youthful tantrum in the hot Court Philippe Chatrier sunshine, especially when the Latvian livewire lost four games in a row to lose the second set - ending it with a double-fault.
The Argentine's talks over a contract extension with the Blaugrana have come to a positive conclusion, if reports are to be believed. Spanish publication Marca (h/t Jack Rathborn of the Daily Mirror ) revealed how the Argentina global will put his name to a contract set to pay him amounts that will "vary from year to year".
And then, after a first-inning RBI single - the home runs are the headline, but Gennett tallied 10 RBIs, too, making him just the 14th player to do so in modern baseball history - the Red took Adam Wainwright deep in the third inning for the second grand slam of his career .
The Swiss 2015 champion hit a staggering 87 winners as he avenged last year's semi-final defeat by the world No.1 and join Spaniard, Rafael Nadal in the final. "Physically I didn't feel my best at the end. I do not want him to play his game, which means I need to make sure I don't let him be in that position where he can hit hard".
Read: What now for Novak Djokovic after shock quarterfinal loss? With such an attacking game, backing Ostapenko could be a precarious business. The unseeded Latvian hit 21 winners and 16 unforced errors as she took the first set 7-6 (4).