Andy Murray will step up his recovery from injury in the first round of the doubles at Queen's Club against number one seeds Juan Sebastian Cabal and Robert Farah.
The 32-year-old will return to the court for the first time since undergoing hip surgery in January alongside doubles partner Feliciano Lopez at the Fever-Tree Championships.
British number one Kyle Edmund will face top seed Stefanos Tsitsipas in the first round of the men's singles, while fellow Briton Dan Evans faces a tough task against Stan Wawrinka.
Kevin Anderson, seeded second, will make his return to competitive action after being sidelined since March against another home favourite in Cameron Norrie.
Elsewhere, defending champion Marin Cilic opens his campaign against Cristian Garin while Juan Martin Del Potro faces Denis Shapovalov in round one.