French Open 2023: Aryna Sabalenka 'sorry' for reaction after no handshake with Marta Kostyuk met with boos

French Open 2023: Aryna Sabalenka says she felt 'sorry' for her reaction after there was no handshake with Marta Kostyuk and the fans responded with boos. Stream the 2023 French Open live on discovery+, the Eurosport app and at eurosport.com