Third seed John Isner was bundled out of the US National Indoor Championships in Memphis at the first opportunity, with Denis Istomin sealing a straight-sets victory
Isner was beaten 6-4, 6-3 by his Uzbekistani opponent, ranked number 63 in the world.
There were three American winners on the day to make up for Isner’s exit.
ADVERTISEMENT
Fourth seed and 2010 champion Sam Querrey defeated Colombian Alejandro Falla 6-3 6-3, James Blake edged Florian Mayer 4-6 6-3 6-2 and Michael Russell was a 6-2 6-4 winner over Alex Bogomolov.
"Exciting news! Mid-day is now on WhatsApp Channels 
Subscribe today by clicking the link and stay updated with the latest news!" Click here!
Subscribe today by clicking the link and stay updated with the latest news!" Click here!
