LIVE Halle Open ATP Day One | Auger-Aliassime, Cobolli-Tiafoe, Tien big names involved in opening round

There are some big names in action on the opening day of the Halle Open. As we go into the second week on grass, there are a fresh batch of tournaments set to be played out with this one in Germany stacked with talent and prestige. The number two seed Felix Auger-Aliassime headlines the action with a blockbuster tie between Roland Garros finalist Flavio Cobolli and Frances Tiafoe a tantalising prospect. Follow for live updates!