Ramkumar Ramanathan put up a spirited fight before losing 5-7, 7-5, 4-6 to South Korea’s Seongchan Hong in the singles quarterfinal of the Bengaluru Open ATP Challenger at the KSLTA courts inside Cubbon Park here on Friday. But it was also marked by Ramkumar’s repeated run-ins with the chair umpire in the third set, because of which he seemingly lost …
