The 3 pressures.
1. The pressure of being the 'favourite'
2. The pressure of a 'pop corn' match - you don't know which way it's gonna go
3. The pressure of being the underdog
Most would agree the underdog is the least of these 3 pressures, the most when having the 'favourite' tag.
Yet, so much of what is desired in training is about 'hitting up' (tennis lingo for playing against stronger opposition), in essence practicing being the underdog.
How about developing the ability to play as the favourite....to practice your attacking skills, learning to boss the court, develop the appropriate coping skills to deal with the added expectation that you 'should' win.