Yahoo Sports Watch Alcaraz and Murray at Queen's on the BBC
Carlos Alcaraz begins his title defence and five-time champion Andy Murray is also in action at the Queen's Club Championships - and you can follow it live on the BBC.
French Open champion Alcaraz triumphed at Queen's last year before going on to win his first Wimbledon title.
Murray, who won his most recent Queen's title in 2016, competes at the event for like the last time, with the 37-year-old not planning to "play much past the summer".
New British number one Jack Draper is also in action at Queen's Club.
The BBC will also show action from the Birmingham Classic, which features Britain's Harriet Dart.
How can I follow the coverage?
There will be coverage of Queen's on BBC TV, plus matches from both competitions will be streamed on BBC iPlayer, the BBC Sport website and app and Red Button.
All times in BST
Queen's Club Championships
Wednesday, 19 June
13:00-18:00 BBC Two; 12:00-19:45 - BBC iPlayer and the BBC Sport website & app (on Red Button 12:00-13:10)
Thursday, 20 June
13:00-18:00 BBC Two; 12:00-19:45 - BBC iPlayer and the BBC Sport website & app (on Red Button 12:00-13:10)
Friday, 21 June
13:00-18:00 BBC Two; 12:00-19:45 - BBC iPlayer and the BBC Sport website & app (on Red Button 12:00-13:30 & 17:55-19:30)
Saturday, 22 June
13:00-17:00 - BBC Two, BBC iPlayer and the BBC Sport website & app
Sunday, 23 June
12:00-16:45, BBC One; 12:00-19:45 - BBC iPlayer and the BBC Sport website & app
Birmingham Classic
Tuesday, 18 June
10:50-20:00 - BBC iPlayer and the BBC Sport website & app (on Red Button 13:10-16:30)
Wednesday, 19 June
10:50-20:00 - BBC iPlayer and the BBC Sport website & app (on Red Button 13:10-16:30)
Thursday, 20 June
10:50-20:00 - BBC iPlayer and the BBC Sport website & app (on Red Button 13:10-16:00)
Friday, 21 June
10:50-20:00 - BBC iPlayer and the BBC Sport website & app (on Red Button 16:15-17:55)
Saturday, 22 June
10:50-20:00 - BBC iPlayer and the BBC Sport website & app (on Red Button 10:50-13:00 & 16:15-20:00)
Sunday, 23 June
13:20-20:00 - BBC iPlayer and the BBC Sport website & app (on Red Button 13:20-19:00)
The BBC also has live coverage of the grass-court events at Eastbourne, and will provide comprehensive coverage of Wimbledon from 1 to 14 July.
