Halle (GER, 2,
Euro, Rasen)
Alexander Zverev (GER/1) -
Raphael Collignon (BEL/Q) -
Daniel Altmaier (GER/WC) - 3 6 7
Hubert Hurkacz (POL) 6 3 5
Daniil Medwedew (RUS/4) - 6 6
Frances Tiafoe (USA)
- 6 7
Sho Shimabukuro (JPN)
4 5
Felix Auger-Aliassime (CAN/2) -* 6 7 7