Reaction from day seven at the French Open, as Dominic Thiem went through to the last 16 after defeating Alexander Zverev. Elina Svitolina also talks after beating Ana Ivanovic

SOUNDBITE (English) Dominic Thiem, defeated Alexander Zverev 6-7 (4-7), 6-3, 6-3, 6-3 (Q. You have made such a jump this year, winning a lot of matches, tournaments, improving your ranking. What do you think has improved most in your game?):

"Well, there are many things. I think the biggest part is the physical part. I think also physically I belong to the top, which was not like this the last years. But, yeah, especially in the Grand Slams, it's really important. I think there I made the biggest step from last year to this year."

SOUNDBITE (English) Elina Svitolina, defeated Ana Ivanovic 6-4, 6-4 (on facing Serena Williams in next round)

"It's going to be a big challenge for me, like today, as well. First win against Ana, it's huge for me. I think mentally I need to stay strong, stay positive, and no more junior mentality and junior tennis, you know. It's been a big thing for me now, and I need to change something, my preparation in my game, as well."