David Goffin missed the entire grass court season with an ankle injury and his return veered off script with a shock loss to Ivan Dodig.
There was an upset in Romania as Anastasija Sevastova lost to home hope Ana Bogdan in the quarter-finals of the Bucharest Open.
After a hip injury hampered his Wimbledon campaign, Tim Henman says Andy Murray needs to be in top condition to challenge at the US Open.
Ilie Nastase will not be able to act in any official capacity in ITF competitions until the end of December 2020.
Rogerio Dutra Silva pulled off a huge upset at the Croatia Open by beating Gael Monfils in three sets.
Tereza Martincova defied the 120-place gap between her and Caroline Garcia in the rankings to reach the last eight in Gstaad.
Of 83 tennis matches flagged up for potential match-fixing this year, three were at Wimbledon and one was in the main draw at Roland Garros.
In his first match since the French Open, David Goffin needed three sets to get the better of qualifier Attila Balazs in Umag.
Anastasija Sevastova, Carla Suarez Navarro and Julia Goerges have dropped just a set between them in reaching the last eight in Bucharest.
Elias Ymer threatened to consign Fernando Verdasco to an early exit in Bastad, but the Spaniard got into his stride to reach round two.