For Novak Djokovic, this is a relatively easy call. He thinks the French Open is making a mistake by eschewing the electronic line-calling used at most big tennis tournaments and instead remaining old school by letting line judges decide whether serves or other shots land in or out.

The spotlight will be on home hope and world No. 361 Lois Boisson, who plays sixth seed Mirra Andreeva. Read more at straitstimes.com. Read more at straitstimes.com.

Second seed Coco Gauff will play seventh seed Madison Keys in an all-American quarter-final, looking to join world number one Aryna Sabalenka and three-time defending champion Iga Swiatek who are already through to the final four in the other half of the draw.