Preventing laborious, Prajnesh Gunneswaran prevailed over powerful nut Jack Sock in three units to sail into the quarterfinals of the Atlantic Tire Championships, an ATP Challenger occasion, right here.
The fourth-seeded southpaw beat the previous top-10 American 6-7 (3) 6-2 7-6(5) in a good spherical two contest, which lasted nearly three hours.
The gritty Indian broke the serve of Sock, who reached a career-high singles rating of eight in 2017 however is now positioned 253, thrice and dropped his personal serve solely as soon as within the slugfest.
Prajnesh, ranked 146, subsequent faces Brazilian qualifier Thomaz Bellucci for a spot within the semifinals of the USD 52,080 laborious court docket event.
Belluci was ranked as excessive as 21 at one stage of his profession, by which he has received 4 singles ATP titles. The 32-year-old is now ranked 297.
Ramkumar Ramanathan has already made an exit from each singles and doubles occasions.