France, June 4 -- At the prospect of facing a player 355 notches above her in the world rankings for a place in the semi-finals of the French Open, Lois Boisson declared herself prepared for combat with Mirra Andreeva

"She has a very good backhand and she's very solid on both sides," Boisson said of the sixth seed. "So I believe I will have to expect a lot of difficult rallies," added the 22-year-old.

"But it will not change my game plan. I might adapt a few details, but I'm not going to change."

With good reason, the fierce forehands reminiscent of her idol Rafael Nadal and low bouncing slices bedazzled the world number three Jessica Pegula during an enthralling tussle on centre court on Monday.

The 31-year-old American took the firs...