Top seed and 2016 champion Djokovic won 6-4, 6-3, 6-3 against Russian 15th seed Khachanov to draw level with Rafael Nadal on a record 14 quarter-final appearances in Paris
Sebastian Korda, the 20-year-old American qualifier who lost to Rafael Nadal by the above scoreline in the French Open's fourth round Sunday, still was beaming afterward.