[dvboy]

He said a start time of 3:30 for Sunday

No there isn’t a rule, and ITV have 5/8 picks so there will be at least one day they have both matches

I misheard then and 15:30 is what's already in the schedule (vs BBC One's 16:30 presumably scheduled knowing if they ended up with this match it wouldn't involve England)

Imagine they might want to take three of the weekend matches and then the 5pm kick-offs to avoid being up against potential late night thrillers at Wimbledon? Whereas the later matches on Monday and Tuesday would benefit the BBC schedulers as they can just extend the tennis earlier in the day.