Anett Kontaveit coach praises retiring Serena Williams as 'the greatest thing for the sport' ahead of US Open tie
Anett Kontaveit’s coach, Torben Beltz, has praised Serena Williams as the «greatest thing for the sport», as the pair get ready to meet in their hugely significant US Open second-round clash. Should Williams lose, the encounter may represent the final professional singles match of her extraordinary career, and she will be up against a strong opponent in current world No. 2 Kontaveit.