The WTA confirmed that it had concluded an investigation into the coach’s potential breach of the Tour’s code of conduct and that his ban will remain in place.

No. 8 seed Nuno Borges of Portugal withstood a challenge from three-time Grand Slam winner Stan Wawrinka of Switzerland, prevailing 6-7 (4), 7-6 (1), 6-3 in first-round action at the Open 13 Provence ...