How Halep raced into French Open semis

Tactical change helps Halep to French Open semis

Top seed Simona Halep fought back to triumph in a bruising French Open quarter-final battle against Germany's Angelique Kerber and stand two wins away from her first Grand Slam title.

The Romanian, who lost in last year's final at Roland Garros, defeated Kerber 6-7(2), 6-3, 6-2 to book a place against Garbine Muguruza in the semis.

World number one Halep made a slow start, misfiring on her first serve and spraying her groundshots wide early on in a duel that lasted more than two hours, before steadily breaking down her opponent.

"I rushed too much at the beginning," Halep told a post-match news conference. "It was tough because her ball is very low, and you don't have many chances to finish the points from there."

Going into the second set, Halep changed her tactics: "I didn't play flat any more, more top-spin, and I made her run a little bit more."

Halep had arrived in Paris on a hot streak, reaching at least the quarter-finals in her last nine clay-court tournaments and losing only one set on her way to facing Kerber in Paris.

But it was the German who started the stronger, out-hitting her rival, and with lethal accuracy, to win the first four games as Halep struggled to find her serving rhythm and peppered the tramlines with unforced errors.

Slowly the normally aggressive baseliner clawed her way back into the contest, winning three straight games as both players struggled to hold on to their serves in a monster opening set.

Kerber eventually prevailed in a tiebreak, but Halep came out all guns blazing in the second, firing baseline bullets at her opponent, who tried to cling on against the onslaught.

But by the third set Halep had broken the German's defences -- and her resolve -- as she banged in 76 percent of her first serves, with only half the unforced errors of her opponent.

"It's tough against her. (It) shows me that I have enough patience, I have enough power inside to stay calm," Halep said.

Halep's win knocks Caroline Wozniacki out of the race to be number one in next week's rankings, and sets up a winner-takes-all contest between herself and Spain's Muguruza in Thursday's semi-final.

A Grand Slam win in Paris would bring redemption for Halep, who lost in the 2017 French Open final against Jelena Ostapenko after leading by a set and three games.