Update: 18 from 24 correct
Donaldson won in 3 sets
Fognini won in 3 sets
Pouille won in 2 sets
Querrey won in 2 sets
Tiafoe won in 2 sets
Harrison won in 2 sets
Edmund won in 2 sets
Chardy lost in 2 sets
Kyrgios retired after losing 1st set
Anderson won in 2 sets
Zverev retired when leading by a set
Sousa lost in 3 sets
Shapovalov lost in 3 sets
Tsitsipas won in 2 sets
Isner won in 3 sets
Del Potro won in 2 sets
Dzumhur lost in 3 sets
Bedene won in 2 sets
Simon won in 2 sets
Gasquet won in 3 sets
Bautista Agut lost in 2 sets
Dolgopolov won. Sock retired in set 3
Lopez won in 2 tie breaks
Schwartzman won in 2 sets