Former world No. 1 Rafael Nadal admitted he felt a little bit of foot pain during his Indian Wells round-of-16 match. Nadal, seeded at No. 4, defeated No. 17 seed Reilly Opelka 7-6 (3) 7-6 (5) to progress into the Indian Wells quarterfinal. Nadal, 35, was severely hampered by a foot injury last season. After the French Open, Nadal took a two-month break, skipping the Tokyo Olympics and Wimbledon. After playing just two matches in Washington, Nadal realized his foot wasn’t where it needed to be and he called it a season. “Being honest, I felt my foot a little bit in the second set. I was able to keep going, keep running till the end. That’s the same thing. Yes, being honest, I am not in the moment to lie or to hide th …