The French veteran says Elina Svitolina has faced unkind abuse since announcing their separation, as his own playing career draws to a close.
Katie Boulter Japan Open win: she beat Antonia Ruzic 3-6 6-3 6-3 in Osaka to reach the semi-finals and take back the British No 1 spot from Sonay Kartal.
Jodie Burrage and Alicia Dudeney won in straight sets on day two of the Lexus Wrexham Open, and Hannah Klugman also reached Thursday's second round.
Sonay Kartal fell short against Maja Chwalinska on Sunday but will become British number one on Monday after a run from 170th in the world.
The British player, ranked 170th and back from a six-month back injury layoff, won 7-6 (11-9) 7-6 (7-5) in a semi-final decided by two tie-breaks.
Serbian player Stefan Milicevic gets a 24-year ban and a £53,000 fine after the ITIA found he fixed matches and recruited other players.
Britain's Sonay Kartal beat fifth seed Elina Svitolina in three sets and will play Jelena Ostapenko in her first WTA 1000 semi-final.
Carlos Alcaraz and Aryna Sabalenka begin their US Open title defences at Flushing Meadows, with Alcaraz eyeing the missing piece of a career Grand Slam.