Share 'High altitude tennis tips..'

I live in the Bay Area CA which is only 50ft above sea level.  I have a tournament coming up which will be around 5800 feet above sea level.  I remember when I was younger, my father took me out to a high altitude place to play some tennis and I nearly fainted after hitting only a few balls.  I want to be as prepared as possible for this tournament.  I know that the ideal thing to do is get to a…