Unseeded Barbora Krejčíková has won her first grand slam title by beating Anastasia Pavlyuchenkova 6-1, 2-6, 6-4 in the French Open final. Krejčíková and partner Kateria Siniakova already own two grand slam doubles titles and are scheduled to play in the final of that event in Paris on Sunday. I'm extremely happy.” Czech Republic's Barbora Krejčíková clinched a maiden grand …