Top seeds Andrey Rublev and Aryna Sabalenka battled through tough three-set matches at the ATP and WTA Washington Open on Wednesday, securing victories to advance to the next round. Rublev, facing a determined Luca Van Assche, overcame a slow start and a rain delay to emerge victorious. Sabalenka, returning from injury, fought off a spirited Kamilla Rakhimova to reach the quarterfinals.