From this point simply swing forward and up and the racquet will naturally become vertical at contact, provided that you swing from the shoulders and do not get too wristy.
There are also a lot of sea water bath fields here, for the underneath in circumlittoral street, best whereabouts been your summer to relieve summer heat.
Likely the water's now frozen, in a kind of permafrost beneath the surface, but maybe there are pressures and temperatures in various areas of Mars that have liquified the ice and created perhaps aqua forms.